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HeatPumps4Pools Ltd
Based on 68 reviews
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Dimitrios Lazos
Dimitrios Lazos
11:22 12 Sep 23
Needed to have a part delivered in very short notice, and to make it worse, even outside the UK, to Germany, with all the extra complication this comes with. They did everything possible so that I get the part on time! Amazing flexibility, technical support and willingness to serve the customer in the best way possible!
Andrew Gleave
Andrew Gleave
12:05 24 Aug 23
Very happy with the service I received yesterday after our Hot Splash Heat Pump leaked R32 Gas and failed. Having rung and spoken to one of the team, I had a replacement heat pump being sent out and will hopefully receive today (the day after my first phone call). I also took the option of upgrading to a better quality heat pump. The process was very smooth from start to finish. Thank you.12:30pm the following day I have received the new heat pump and have installed it, all within 24hrs of my initial call. Great work.
rob Leigh
rob Leigh
07:19 09 Aug 23
Really helpful, solved my cold pool issue
Philip Harvey
Philip Harvey
21:06 02 Aug 23
Vertical heat pump 29KW: Brilliant.Here's my story: 10m x 5m indoor pool. Initially I opted for a 24kW model, but after it arrived, the fitting instruction told me that I didn't have enough space. I was critical that the information on the web site didn't say just how much space you need. So, after explain the problem, Heatpumps4Pools arranged collection and delivery of a vertical model (29kW) I had a few questions about fitting, but there was always someone knowledgable on the phone, so it turned out to be easy.Compared to gas, this thing is brilliant. My pool circulating pump runs at 15,000 litres per hour, and the water, even at this rate, is heated by 2 degrees C. This heats my pool by 2deg in 4 hours (summer air temperatures). If in doubt, go for the bigger pump, you won't regret it.
Michelle Didier
Michelle Didier
14:19 28 Jul 23
Although there was an initial problem with the order, it was quickly rectified. David was very conscientious in terms of customer satisfaction.
R G52
R G52
12:53 11 Jul 23
First class service in sourcing a replacement part for my pool heat pump. Not only that, Nigel has found an engineer for me to install the replacement. Could not have asked for a better service.
Laurence Gage
Laurence Gage
10:05 21 Jun 23
Hi this company goes above and beyond in customer service technical advice and diagnosis was spot on quick dispatch of part required heat pump operating as it should againspecial thanks to Davetop company highly recommended 👍
Keval Dattani
Keval Dattani
21:01 30 May 23
Had a problem with a heat pump that I didn't purchase from this company. They put me through to David from Technical who gave me free advice to try fix the unit without having to buy a part. Completely genuine and helped me resolve the issue. Very knowledgeable. I'm definitely going to buy all my pool equipment from Heatpumps4pools ltd. 5/5 stars. Great company. Thank you.
unication Smith
unication Smith
12:41 27 May 23
Purchased a fast lane unit & some other parts — very quick, very helpful, very knowledgeableHighly recommend!
spark 8686
spark 8686
04:19 06 May 23
I was looking for a heat pump to heat my above ground 24ft by 12ft pool. I came across heatpumps4pools whilst looking online. I wasn't wholly sure about what I needed so I visited their premises in Basildon, Essex. I was given excellent service and advised on all aspects of installing a heat pump to my pool. Everything was explained in detail on pipe sizes, bypass kits and electrical requirements leaving me very confident to do the installation myself. I purchased a 12Kw Thermotec Eco Inverter, a bypass kit and some pipework and different connectors. They had everything I needed in stock the same day so I made my purchase with them.I've since installed my heat pump and am very happy with it, my pool temperature is now at 27c . I've found that once the pool is up to temperature the heat pump just ticks over at a lower cost.I would definitely recommend using the services of heatpumps4pool for all your pool requirements. Good, knowledgeable honest advice.Thank you David K and thanks to all at heatpumps4pools.
Nick Watson
Nick Watson
20:51 26 Apr 23
Very helpful team. I spoke to them a couple of times before purchasing a 16kw Thermotec Eco Inverter heat pump for our above ground pool, and they were knowledgeable and willing to spend the time discussing what we wanted. There was a lead time of a few weeks to getting the item because they were waiting for a batch to arrive but it was delivered as promised in line with the expected dates that they advised at the point of ordering. The heat pump is now installed, and works well.As an update, three years after purchasing the heat pump and after quite a lot of running hours, unfortunately it developed a fault. The customer service from Heatpumps4Pools (David M in particular) was exceptional. Over the course of a week, they sent me troubleshooting guides, spoke to me several times and eventually I mailed the display back to them to test on their showroom unit. They then sold me a replacement PCB and sent me fitting and configuration instructions, which fixed the problem. There aren't many companies who would be willing to spend a significant amount of time helping a customer do their own repairs.
Ben Kimber
Ben Kimber
10:36 02 Sep 22
Recently brought a heat pump from these guys, It did have an issue from no fault of their own however they could not apologise and rectify quickly enough for me, Great service. Thanks David
Louis Jade
Louis Jade
16:27 24 May 22
The best customer support and knowledge. I will be a customer for life in and I would go out of my way to recommend them. They really helped and went the extra mile.
Adrian Broome
Adrian Broome
22:04 21 Apr 22
Excellent service provider for Calorex indoor swimming pool ventilation systems.
Rory Foster
Rory Foster
17:06 28 Mar 22
Amazing service and friendly staff. Got my heat pump and pipe accessories within a couple of days. Highly recommended. The Sunspring 8w heater is great too!
Gary Levell
Gary Levell
17:06 23 Nov 21
I bought a heat pump from these folk during lockdown and they were extremely helpful with quick delivery. A week ago I needed to get some technical details to integrate the pump into my home automation system and they quickly obliged with full specifications enabling me to easily control the heat pump. Best customer service I have had with any pool company, ever. Excellent, would recommend.
Daniel Wood
Daniel Wood
13:20 20 Jul 21
We purchased a Hot Splash heat pump last summer (excellent service received), and despite storing it safely in the house over the winter, it's compressor and fan failed to operate when we brought it out for use over the summer.As we were troubleshooting the issue, we called and spoke to David, who without hesitation, assisted is helping diagnose the situation, getting it logged on their support portal, and arranging a replacement unit.Will definitely be using again and also highly recommending to family and friends.Well done guys :-)
Russell Parratt
Russell Parratt
13:40 08 Jun 21
I bought a 5kw heatpump from these guys and have been very impressed with the product, their customer service, advice and communication. Thanks, Heatpumps4pools! *****
Wesley Daniels
Wesley Daniels
07:49 29 May 21
We purchased a heat pump, filter and all connections and accessories from Heatpump4pools. They were extremely helpful on what was the right items to purchase without overselling, told me exactly what was needed all the way through the water cycle. They also helped me with all the set up questions and gave me advice on best practice. Finally when I noticed more than a week after I had received my delivery that something was missing, they quickly resent me a replacement. This is truly how customer service should be. Fantastic company with really knowledgeable and helpful staff.
Jason Higby
Jason Higby
20:18 04 Apr 21
Great service and really helpful staff i ordered the 7kw sunspring heat pump and the intex krystal clear sand filter very easy online ordering i spoke to David and he helped me with everything I needed before I ordered it was very quick i m in the process of setting it all up and will send pictures when I m up and running.
Daniel Polhill
Daniel Polhill
07:06 31 Mar 21
Fantastic service , communication and advice from the Wooden Pool team & Heat Pump Team. We purchased a wooden pool from them which came from a French supplier during brexit and had no issues with delivery. Any advice and questions we had were answered quickly and with real detail. I'd highly recommend them for any pool and pump needs!!
23:21 21 May 20
Recently purchased a heat pump from this company. Unfortunately I had a minor cosmetic problem but David was fantastic throughout and swiftly sent a replacement part with clear instructions on how to fit this. We now have a lovely warm pool. Would not hesitate to use HeatPumps4Pools again.
Jo-ann Austin
Jo-ann Austin
12:34 21 May 20
I cannot praise this company highly enough. Their customer service is excellent and David, who I dealt with, is extremely knowledgeable and goes above and beyond to give the best support possible. I had a problem with a pump I purchased four years ago, not only did he diagnose the problem and supply the appropriate part, he talked me through how I should install the new fan motor and remained in contact until the pump was up and running! Five star service!
Andrew Watterson
Andrew Watterson
10:41 17 May 20
I ordered a Hot Splash 3.5kw heat pump from website and was invoiced £385.00. I then contacted them to enquire around delivery times only to be informed that they were out of stock and the order could not be fulfilled. Awaiting refund. Very disappointing, very poor service.
James Yeates
James Yeates
16:03 04 May 20
Back in March I spoke to David at heatpumps4pools. It was last thing on a Friday so I sort of got the feeling they didn’t want to hang around too long and they convinced me to purchase the Sunspring7 heatpump. I originally was asked, what months will you be using the pool, May through to September? I said yes. We discussed the size and volume of our pool and he said that the Sunspring7 would be best along with the Intex pump/sand filter system so I went for it. It all arrived a couple of work days later apart from the pool cover which came from a 3rd party which took a week to be delivered. Not really an issue however, On setting it up and reading through the instructions I saw that the heatpump WILL NOT operate in less than ten degrees of out side air temperature. I called them up and they said yes that’s why we asked you want months you would be using it and as it was late March this was I believe their get out clause. We can get a frost in May and friends of ours who live in Scotland may get a frost in June so even then on colder nights the heatpump would not work at all. I didn’t really get an explanation apart from saying I would need to exchange the Sunspring7 for a model that works at zero degrees however that would cost I think he said £1300 of which I wouldn’t spend on a pool heater. He did keep saying, when the heatpumps work they are very efficient. I said to him the running cost doesn't bother me I just want a heater which I can put on now (end of March/April). He said we could swap my unit out for two 3KW normal Nano heaters as long as the packaging was all in good tact.This in mind I boxed everything up and it was down to me to ship this back to him of which because it weighed 31kilo cost me £46 which would be more to a usual customer it’s just I have an account with DPD.We exchanged for two 3kw heaters of which they did do a partial refund fine. Personally all the above at the very first time we spoke they didn’t mention savings on energy as I would have said running costs don’t bother me and they should say to note, the Sunspring7 doesn’t work in less than ten degrees or I wouldn’t have purchased it. I would also add that one morning the out side air temperature was 12 degrees and it still wouldn’t switch on. The Intex pump/filter system. It kept cutting out after some hours of use. After a lot of research online I found nothing so I asked on live chat do you have any ideas and they said I would need to speak to a guy at Intex (can’t remember his name). On looking at the recommended web site I was given it seems to me that this company where heatpumps4pools gets their Intex from, they just import and sells them on to make a quick buck. I tried to call on the number on their site and because of Covid, phone lines were closed which is understandable.Emailed twice with no response. In the end I figured out it was my bad as the filter/pump couldn’t share the same 240volt socket as one of my 3KW heaters it needed it’s own supply. Everything seemed fine now I have my two new Nano 3kw heaters working in series with each other however, pool did green up. A lot! Spoke on live chat to heatpumps4pools and they said I would need a shock treatment of which I got and the pool soon became clear. However, after doing many backwashes I took a look in side the sand filtration system and it was incredibly green.I stirred up the sand with my hands in the tank (after watching numerous youtube videos) then back washed again. Took yet another look in side the tank and it was still green. I sent some pictures and explanation via email to both Intex and heatpumps4pools and weeks later had no reply. Now I believe the entire system is running ok with various chemicals and the sand filter seems clear. Probably a very knowledgeable company however, to potential purchasers please note about some heatpumps not working in low temperatures and that if you get any issue from an Intex product you will be re-direct to Intex for your answer not heatpumps4pools of which YOU WILL not receive any response at all.Also check prices...
09:46 04 May 20
Currently giving a fair 3 stars but will update subject to getting a response. Current situation is ordered a heat pump and 2 weeks on not received it. Cannot get through on phone and no reply to email or voicemails. All I'm after is confirmation its on the way or if there is a known delay which is also understandable due to Covid crisis.Update..was able to get through this morning. Found out they are running a lit bit behind with deliveries. Hoping to deliver this week.Update june ...down grading to 2 stars. Well after waiting several weeks for the Sun Spring 10, it arrived, after a week or so of running, the device iced up on a perfectly warm day. So I contacted them for support. I was advised it had probably failed and would need to be replaced under warranty . They were out of stock but 6 weeks later still no replacement, which is not much good for our English summer. Sadly, I cannot recommend. Seems very difficult to get an honest answer from David about what his stock levels are. Appreciate Covid is impacting everbody.
pete south
pete south
16:21 29 Apr 20
These guys have an amazing amount of knowledge. I would highly recommend a call before you start chucking money at your pool heater i spent 5 min on the phone to David and saved myself a fortune in parts due to a miss diagnostic by a independent engineer, Thanks to Davids experience and long term knowledge he fix my heater over the phone.Many Thanks to all at (especially David).
Don Paton
Don Paton
15:18 06 Feb 20
Very good product - Thermotec Inverter 9kw - easy to install for my Koi pond and it is good to have a wifi app to keep tabs. Excellent staff advice and followup. Highly recommended company
Martin S
Martin S
18:17 04 Nov 19
Exceptional after-sales help. Sound technical advice and very professional assistance. Thank you.
Susan McConnell
Susan McConnell
19:36 03 Sep 19
I have a Bestway Hydro above ground 15FT round pool and Intex 1500 GPH filter pump. I bought your Sunspring 10KW pool heater. Words cannot tell you how pleased i am with this heater ,from 11.30am to 830am it got the temp up to 31c. it will cost around £300 per season electricity which is very economical.We spent 2HRS in the pool this evening 03/09/2019I highly recommend this heater, for us the safety plug in is great. I will send photo of setup and when the shelter porch is permanent,
Joanne Dron
Joanne Dron
11:11 23 Aug 19
Fantastic customer service. Not just at the point of sale but 3 years later !! Amazing when I bought the products and able to help me resolve issues when we are 3 years down the line and there is nothing in it for them. Trina is especially helpful. A highly recommended company.
17:38 19 Aug 19
Fantastic customer service!Had an issue with my air source heat pump. Gave them a ring, talked over the issue and they gave me regular updates on progress. New circuit board sent out with instructions over the phone. Now fixed and running perfectly again.Thanks again!Craig Mc
Dave clarke
Dave clarke
18:30 10 Aug 19
Fantastic. We had a few problems at the start of our purchase but these guys didn’t give up there customer service is the best I’ve ever come across. Thanks for everything we’re a very happy family making the very most of our heated pool.10 stars is more appropriate
John Hammersley
John Hammersley
00:03 29 Jul 19
This company has a fantastic support team. We bought an Eco+ heat pump from them over three years ago, which has been very reliable and an all-round excellent system. Just recently it had a problem, and although it was out of warranty we contacted HeatPumps4Pools to see if they had any suggestions. They responded very quickly with details of the error, and photos of where to check for a faulty connection. Very impressed to get such a thoughtful and detailed response, which was much appreciated. Would definitely buy here again. John
Christopher Ballard
Christopher Ballard
13:24 09 Jul 19
David Morris really helped out with specifying a 7KW Sunspring heater for my 12ft pool (I wanted rapid heating). The pool is at a constant 30 degrees and we are all in there regularly.Its some of the best money i have spent.Highly recommended - Many Thanks :)
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Other Customer Reviews (by email)

“I bought a heat pump from these folk during lockdown and they were extremely helpful with quick delivery. A week ago I needed to get some technical details to integrate the pump into my home automation system and they quickly obliged with full specifications enabling me to easily control the heat pump. Best customer service I have had with any pool company, ever. Excellent, would recommend.”

Gary Levell (Thermotec Inverter heat pump Nov 2021)

Hi Nigel

I just wanted to tell you how amazing the new heatpump is. Thanks for your advice regarding it. We still have a pool that’s 30 degrees, unheard of for October. It was a great buy.
The pool has kept a lot of young families sane during lockdown!


Jackie Hoyland

(Thermotec Inverter 24kw heat pump October 2020)


I just wanted to drop you a note to thank you for your advice and help in choosing a heat pump for our pool (which arrived on Monday). I spoke to your team a couple of times on the phone before making a purchase and the advice that you gave was very useful.

We have installed the heat pump and are really pleased with it. It took about 20 hours to heat the pool to 28 degrees, so it should be very capable of maintaining a nice temperature for a decent proportion of the year. The pump looks like a solid and well made piece of kit.


Nick Watson

(Thermotec Eco Inverter 19kw June 2020)

Hi David,

Many thanks for your help in arranging the speedy delivery of the Heat Pump.

After some problems initially with insufficient power to the plant room, we are now up and running – at 28 degrees!

I recall you asking for a couple of photos for your gallery, which I’m pleased to send you.

Again, many thanks for your help and advice.

Best wishes,

Phil Robarts

(We supplied a Thermotec Inverter 29kw June 2020, photos are in our Photo Gallery)

Hi David i can not thank you enough, your knowledge is amazing. I set the parameters up as per instructions and hey its working fine 100% perfect !
If i get any queries in the future from my friends i will recommend Many Thanks Again.Stay SafeKind Regards
Pete South(Support given for Heat Perfector Pro, April 2020)
Very good product – Thermotec Inverter 9kw – easy to install for my Koi pond and it is good to have a wifi app to keep tabs. Excellent staff advice and followup. Highly recommended company

Don Paton

(Thermotec Inverter 9kw, Feb 2020)

Dear David at heatpumps4pools,

Many thanks for the exceptional service we have had from you to date. My technical expertise is far from knowledgeable, but you dealt with my queries with tact and efficiency. The price was spot on; delivery swift and efficient, and although the pump has yet to be comissioned, technichal queries have been dealt with by email within 5 mins !! So far I would rate you 110%.

I am an unbiased, individual customer, and would be more than happy to speak to any potential customers direct to allay any fears/reservations they may have about dealing with your company.

Kind regards


Just a quick note to let you know that we are really pleased with our Waterco heat pump, so much so that I have recommended your site to two friends who have been impressed at how warm our pool water is
We have not yet completed the decking around our pool, but once we do I will email you a photo of the heater installation
Thanks again
Thanks for your email and follow up. We are very happy with the DPL and on balance & reflection of price, performance, size, space requirements and COP ratio we are delighted with the result.  

Our pool is sitting at 26c (80F) never heard of before and I’m not moaning about the gas boiler being on ! Must be a first!

Thanks very much for the support & service received.

Thanks again


I am writing to say I have been very impressed with the heat pump, I reckon over the past 3 weeks it has already saved me over £200 in heating oil.

2 photos. I cannot think why we did not install a heap pump years ago.

I have swum more this year than for ages!

Hi David

All arrived and I am very pleased with the apparent quality of the heat pump.

Look forward to doing business with you again

Hi David

I am sitting here in Italy with the Eco7 successfully installed some 10 days ago and whirring away quite quietly. Even the text controller works, which I am chuffed about.


I like the unit, really I have no complaints so far, and I’m looking forward to using it in earnest now temperatures are improving.

Thanks again for all your help in getting my queries sorted.


Hi David

I am very grateful for the excellent service that you have always given. If you ever need a customer reference, please refer any clients to me

Many thanks – Graham .

Just to let you know that the 2 x eco7 units were safely delivered to Swindon today. Many thanks for your help and prompt delivery.

Kind regards, Jason

Hi David Just a note to thank you for all your help, advice and efficiency. We went down to our French house last weekend to find the heat pump installed and working beautifully.

As ever


Many thanks for your email, and also for arranging delivery for this Friday. We really appreciate your extra help for getting it out to us in France so quickly.

Best Wishes Tom

Hi David Sorry it has been a long time, the Dura 18 is working so well,it has got the pool temp to 85 to 89c since the second week in march,HEAVEN !

It was the best investment we could have ever made to the pool .We used to heat it with an oil heat exchanger you can imagine the cost of that!!

We have had ower first electric bill since running the pump . a very small increase, so pleased.

Thanks again

(Duratech Dura 18 heat pump)

Hi David,

AMAZING !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Took delivery yesterday morning, lucky for me my husband is on hols this week so it was plumbed in immediatly, temp was at 15.5 degrees,went to work, returned at 2200hrs and it was up to 17.5 degrees, got up at 0600hrs – 19 degrees, by early morning it reached the 20 degrees I had set it at, apparently it’s only kicked in once today to maintain the temp.

After seeing this unit working I now know that the old unit didn’t work as it should have from day one – all that time wasted – my poor fish – they’re now bombing around the pond at present (it’s going to cost me a fortune in food)

What an amazing peice of kit!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.

Over the next week I will attempt to take some photo’s for you, for you to use if you want, also I am chairman of South Devon Koi Club, although we are having problems with our website at present (nobody knows how to load anything on it) will quite happily get a link put on for your company when we can find a man that can.

Next month I have a pond visit – 2 clubs visiting, if you have any info you wish for me to pass around, I would be quite happy to do so.

Many thanks for your help in resolving my problems.


Hi David

Many thanks, Heat pump doing well and I have been swimming despite our cold, wet weather (in Scotland)

Regards, Maggie

Thank you so much for your help, I’m so impressed with the pump, keeping a steady 24 degrees – fish are loving it. It was a big outlay for me, but one of the best I have made, would recommend this pump to anyone who is thinking of heating their pond

Regards, Karen
(Duratech Dura+ heat pump)

Hi We are saving around £60 to £70 per week heating the indoor swimming pool,the heat pump is the best thing we have invested in, it works a treat even our energy suppliers have queryed the meter readings,good news we are saving lots.

(Duratech Dura+22T heat pump, 2012)

I just wanted to thank you (and your supplier) for your kind assistance making the repairs to our Heatperfector unit – you were both really attentive and the unit is working fine (hopefully warm water in the next few days).
David (repair to Heat Perfector heat pump April 2012)
Hi David,

Just to let you know that the pump was delivered to the house on Friday morning. Should have been fitted and commissioned by now so, hopefully all is well.

I’d just like to record what a pleasure it’s been dealing with you! You’ve kept me informed throughout the process and always been happy to accommodate my specific requests for paperwork etc.

Regrettably, while yours is the standard I would expect, it seems it’s a rarity these days.

With my sincere thanks and kind regards,

(Heat Siphon Sent to Portugal, 2012)

Hi David,

I am pleased to say that the refurbished Aquatherm Pro heat pump that you supplied is working extremely well.

Although I retained our oil boiler as an emergency booster, I’ve not had to use it at all this year, in spite of the rubbish weather we’ve had.

J Grant
(Refurbished Aquatherm Pro, Aug 2012)

Hi David

Sorry for the delay in sending you some pictures of my Heat pump For my koi pond you supplied

May I say what a fantastic service you have supplied me.

Many Thanks

J Noel (June 2012)


Many thanks for your speedy reply and excellent service.

Best regards

Joel (Aug 2012)

Hi David

Just to let you know that all is running smoothly with the heat pump and I’m relieved to say the wife is much calmer! Temperature in the pool is now 17 so on target for 27 on Christmas Day. Thanks for all you help and advice.

John (Dec 2012)

Hi David

Just a note to confirm that the winter cover for our heat pump arrived 15 mins ago – a doddle to install

Thanks for your help & fast delivery


Roy (Oct 2012)

Hi David

I thought you might like the attached photo. Now we are in the depths of ice and snow, the heat pump is really showing its worth by keeping my pond at a nice steady 10 degrees C even overnight when it is hitting –5 outside.

(T Hogg – Jan 2013)

Hi David
I have emailed back the positives of the pump and your support to us as well
All going very well and has worked all over the winter very well.
No gas heating back up required so far!
(Dura+55T on school pool)
I have to say out of all the money I spent on my state of the art Koi pond, this is the best piece of equipment I bought. It surprised me how little I had to do with it. I just turned it on, set the thermostat to 23 degrees and left it to it. I never had to touch it again all the time it was on my pond. Absolutely brilliant. I can’t ever imagine why anyone would use a gas system now these are available.

(Koi pond 2013)


I would just like to say thank you and what great service. Pool heater arrived as promised on the 29th, it was a good job we had it delivered to our address as it’s a big lump and the guy dropped it off right by the old one, perfect!

(Louise – Duratech 13 May 2013)

Dear David, Thanks for all your help with the heater, and for helping re. the wiring problem, just an ultra sensitive fuse board! Now sorted and running, up 2 degrees in a couple of days, great!Pictures for your gallery as promised. (By the way the tree behind isn’t as close as it looks, it is a branch which by chance goes almost horizontal behind the machine!)

Kind regards Jane (May 2013)


Just to say thanks for helping to get this done. The fan motor arrived today and the heat pump is now running.

It was the hp exploded views on your website that was the key to sorting the correct id for the fan.

Thanks again and good luck with your business.


David (replacement fan motor for caravan park July 2013)

…the pool just reached the 27.5C set point (6.5 hours today, 21-24C ambient, 2C in/out flow difference) – impressive !!


Roger (Duratech Dura+19 July 2013)

Hi David

Following our recent discussion, I have been monitoring the unit, and for 20C ambient the operating time is just under 5 hours per day, which is not bad for a 135,000 litre pool, and I have actually increased the running temperature by 1C which means it will still probably be heating up the pool structure and adjacent ground.

I am also currently running the unit in the hottest part of the day, from noon to 5pm, but will adjust these times as the weather gets cooler (I have an electronic timer on the filter pump).

From the 410a COP curves I have estimated the following running times, so it will be interesting to see what the actual values are over the next 12 months, since you recommended that I needed two 19+ units for the pool but I had predicted that one unit would be sufficient:

20C ambient COP 5.25 actual running time 5 hours daily cost £2.30
15C ambient COP 5.0 predicted running time 5.25 hours daily cost £2.42
10C ambient COP 4.5 predicted running time 5.83 hours daily cost £2.68
5C ambient COP 3.8 predicted running time 6.9 hours daily cost £3.18
0C ambient COP 3.1 predicted running time 8.5 hours daily cost £3.90
-5C ambient COP 2.0 predicted running time 13.1 hours daily cost £6.04

There will be increased losses from the pool in the colder weather, and also defrost cycles on the heat pump, which will both increase the running times.

I am currently saving over 50% compared with heating the pool via the oil boiler (which is now set to supplement the pool heating if the heat pump fails to achieve 28C), so the pay-back should be less than 3 years.



(single Dura+19 heat pump on 135m3 indoor pool, August 2013)

Hi David,

Here are some pics of my installation of dura7+ on a Viking Jacuzzi.

As I said it maintains the pool at 40c effortlessly all year round for around 2-3 hours running per day

All the best


(Dura+7 on Jacuzzi 2014)

I am delighted with the Eco+9 pool heater, which I have running beside my above-ground 12′ x 24′ Intex pool holding 30,000 litres.

A few details for your interest:

I run the heater between 8 a.m. and 5 p.m. every day. The pool heater is costing me around £50 per month to run – a pretty reasonable outlay, in my view.

I set the pool heater up on May 5th 2014. The water temperature was initially 14.5 C and within about four days it was up to 22 C. Since then it has ranged between 22.5 C – 26 C, with the temperature target set to 27 C. I use a solar pool cover at night and the water pipes to and from the pool are insulated with black pipe insulation.

I have attached a few pics. (zip file) which you are welcome to use on your website if you wish.

Kind Regards

Mike Garwood

(Eco+9  June 2014)


Just to let you know that the heat pump is working well, temp went from 6c to 13c in two days really pleased!

So thanks for all your help and the additional parts.


(Duratech Dura+7 on pond – Dec 2014)

Thanks David,

Great to speak to you again also and thanks for your continued assistance.

I would like to say how grateful we are to you for such a professional, efficient and reliable service. As you know, we have had many suppliers of all types on the South of France project. You and your colleagues are without doubt right at the top of them.

We have no hesitation in using your services again nor highly recommending you to others.

Once again, Many thanks, and best wishes for a Happy and Prosperous New Year.


(Duratech Dura+90T heat pump, France, Dec 2014)

Hi David,

Great, the pump is all connected and working well. Temperature is increasing nicely.

Thank you for your help


(Eco+6 heat pump, above ground pool, UK, April 2015)

Thank you, your help is appreciated. It is always comforting when good sales support is backed up with excellent aftersales care.

Chris Scott May 2015    

Hi David,

Well, Saturday was more fun than I expected and the installation went surprisingly smoothly! I absolutely love the heat pump. It’s totally transformed the way we heat the pool without having to worry about the cost. We’ve been in there for 2 days running and I don’t think I’ll get much work done over the next few days either so thanks so much for your help. I’m so glad I decided to do a live chat on your website a month or so ago as it’s really made such a difference.

Thanks again

(David Payne, Polytropic heat pump July 2016)

Hot Splash Heat pump.

Works a treat. Best investment ever. Gone are the days of jumping into a cold pool. I have a 10ft round pool and it heats it up to my set temp which is 28 deg c. Possibly could get pool warmer but 28 deg is warm enough for me.

(Hot Splash heat pump July 2016 via eBay)

Dear David

The Dura 7+ is now fully installed and seems to be working very well.

Kind regards – and thanks again for the super support service from your company. I would be happy to act as a contact point for any of your clients who might like a reference.

Kind regards

Archie Garden (Dura+7 July 2016)

Hi guys

Just an update to let you know how the polytropic is getting on.
After I had completed all the pipe work and back washed the sand filter, I finally turned on the heat pump at 19.00 hrs. The pool temp at that time was 16 degrees. It ran overnight which was quite cold but by morning the pool temp was 21 which I thought was very impressive. By the end of that day it was 25.5! It runs from 7.00 in the morning to 17.00 at night, controlled by its own timer which I moved from the heat pump to inside the pump shed. I generally lose 2 degrees overnight and it usually drops to 23-24 but by midday it’s back up to 25-26, the hottest it has been so far is 29.5 which was a hot day and it felt like a bath! Anything above 25 is lovely to swim in. The pool is 19ft X 8ft and holds 15,500 litres so is a good size and I’m very impressed with how the heat pump is working and especially how quiet it is.
The solar cover you supplied is kept on all the time the pool it not being used.
Here are some pics to add to your website if needed.
Thanks again for all your help and making my daughter a very happy little girl on her school holidays!
Kind regards

Martin Rands

Dear Nigel,

Please find attached pictures showing heatpump maintaining 13 degrees centigrade on a very cold morning well below freezing.

It has been such a pleasure to have the unit since august as l could control the natural fall in temperature from September which has made health benefits to the koi.

I now wake up on freezing cold morning and the koi will feed as if it’s a warm day as pictures show.

So many people told me it’s to expensive to heat a pond. But the cost of insulation with a cover and to pipes and filter is not.

The additional electricity cost is only small.

So for the pleasure it has given me its all worth it.

Most importantly is the koi health, the benefit is huge.


Andy (Dura+7 on pond Dec 2016)

Hi Guys,

Just a quick feedback email and thank you.

Heat pump I collected you the other day is working excellently. Really pleased with it, thanks for your help.


Jon stephens

(Eco+ heat pump June 2017)


An update on my installation a few weeks in.

Everything seems to be working well.  

I got the electrics sorted by a local electrician who had to fit a new consumer unit to enable us to have a type D fuse as our existing consumer unit was 35 years old!

In the end I have used the timer on the heat pump. I have set the heat pump to come on half an hour after the filter pump starts and go off half an hour before the filter pump finishes. This seems to work very well and, of course, once the pool got up to temperature the heat pump switches off once the overnight heat loss has been recovered.

Overall, so far, a successful project. I’ve taken a 30 year old pool which was never used and turned it into a working pool which is being used and enjoyed every day of the summer.

The quote I got from a professional pool person to do a turnkey overhaul was well into 5 figures and I’ve down the whole thing myself for about £6k all in.

Next job is I’m going to tile the entire pool and replace the coping stones and flags.

Thanks for all your help and advice which was very helpful indeed.

Best regards
Ian Robinson

(Duratech Dura 22, solar cover, pool pump, filter, rainbow feeder etc, June 2017)

Hello David

The soft start device took some thinking through to fit and change all the wiring for it

The good news was amazing in that the pump is working brilliantly!!

I want to thank you for sticking with me and helping find a solution; terrific customer support.

Many many thanks again!!

Stephen Willis

(Soft start module on Polytropic heat pump July 2017)

Wow !! What and amazing job and an amazing service from you guys.

Thank you so much.

If there is anywhere we can leave a review for you please let me have a link and I would be more than happy to recommend you.

Thanks again 

Joanne Dron

(Sept 2017)

Hi Nigel,

Just wanted to say thanks for the swift delivery everything received perfectly and I have fitted the control panel and its working swimmingly !

Kindest regards,

(Replacement display supplied for Garden Pac heat pump, April 2018)

Hi James,

As discussed today, David at HeatPumps4Pools is the man to contact for all your indoor pool needs and advice. The customer service / aftercare is superb, faultless! If we go ahead with the Mayfair project he will be the supplier for everything from the general / specific hardware and the rising floor. Do ask him about the liquid Pool cover system, and David, I’ve run out of it in France mate.

I have no hesitation in recommending him so please get in touch, he’s copied in on this email but I will share the contact as well.

All the best,

(Referral from one customer to another, May 2018)

Hello David
Just to let you know the pool heater has been delivered actually 2 hours after we arrived!!
All quick and easy
Everyone has been very helpful and we would like to thank you for organising the delivery. we were very impressed  (and that doesn’t often happen!!)
Thank you and best regards
Hazel and Dennis
(Thermotec Inverter Heat Pump Delivered to Spain June 2018)
Hi Nigel.

Just a note to say thank you for your help and prompt action. The replacement control panel arrived this morning .

Steve Browning

(Waterco replacement display August 2018)

Hi Nigel,

How’s things?

The Airsource HeatPump you supplied is the best thing we have invested in since buying the pool, it works A1!

Jeff and Christine Earl

(Feedback on August 2018 re Fairland Inverter Plus IPH35 13.5kw purchased in 2017)

Hi David

A great machine. Extremely efficient.

Iain MacLaverty

(Thermotec Inverter 20kw Sept 2018)

David, I have sent the pictures of my installation under separate email. The pump is working well and I will run it for 36 hours to test the effectiveness but so far I am very impressed with the quietness of the unit. I have to be within 5-6 metres to hear it running!
I would also like to say how impressed I have been with your service and support. You have been most helpful and always available when needed. My thanks to the other staff in your office who have always been most knowledgeable.
I will let you know the final result when the unit gets the pool up to temperature.
Thanks again
Stephen Nobbs
(Thermotec Inverter 12kw in Portugal, October 2018)
Hi Trina,
As promised, a photo of our Heat Pump Installation.
It has been running now since July last year. We have a 14,000 litre ‘Endless Pool’ which we keep at 26.5 degrees.
We’ve been using it at this temperature throughout the winter even when it was a foot of snow on the ground.
Our pool is outside, but well insulated.
Cost of heating has been between £1.20 per day in the summer and £2.20 in the winter (peaked at about £2.80 when it snowed)
We’ve not fitted the Wi-Fi card yet as it just seems to run fine without any interaction as it is (and we don’t have a Wi-Fi access point close enough)It’s relatively quiet (all heat pumps make some noise) but we don’t notice it.Kind regards
(Thermotec Inverter 12kw on swimspa in UK March 2019)
Hi to all
After a few issues with my purchase, and not giving up I found the customer after service of these guys absolutely outstanding, my issues resolved and a very happy family using a lovely heated pool. I would strongly recommend this company to anybody.
Thanks guys for all your hard work
Dave Clarke – August 2019
Dear David,

That was the trick! I’d previously disconnected the data cable, but that didn’t do it.

Pressure switch now reconnected and set to correct pressure using your excellent notes.

I’m very grateful for your help, and if you’d like to send me your bank details I’ll gladly pay for your professional advice. £20?

Kind regards

Martin   (Repair of Duratech Dura 18 Nov 2019)

Dear David,

Thank you so much for resolving the issue I had with my Dura+10 heat pump.

Just a little something for your time, enjoy. (box of chocolates and thank you card sent to the office)

Kind regards

Dave Edwards

(Technical support for a second hand Duratech Dura+10  Dec 2019)