Please click here if you are also interested in House Heatpumps for Central Heating, Hot Water & Air Conditioning
These clever machines actually take "free" heat out of fresh air. They work like an air conditioner in reverse, making the outdoors air around them cooler and feeding the heat extracted into the pool water. They use the same principle as your fridge freezer which has hot tubes at the back disipating heat taken from your food. The only power required is that used to run a small compressor, enabling them to give out up to five times the energy consumed from your electricity supply.
There is no universally agreed standard for quoting coeficient of performance (COP) and output power. This is a problem when comparing different brands of heatpumps. Models measured at a relatively cool ambient air temperature of 15°C seem unfairly worse value than those quoted up to a glorious 25°C. So, in an effort to create more of a level playing field, we have calculated very approximate fair comparison output power estimates, based on a like-for-like average air temperature around 20°C.
Until recently the money saving technology of heatpump engineering was very expensive, and break-even times were quite lengthy. But now at last, with our amazing new prices, this is a realistic cost cutting option for any swimming pool. As a bonus they are expected to last twice as long as a typical swimming pool gas heater.
The only problem you may have to consider is that, although running currents are very modest, the surge of elecricity when the compressor starts up can be big enough to make light bulbs in your house dim momentarily (like car headlamps when you operate the starter). This will not normally prevent you from having a heatpump, but we still advise you to talk to a good electrician and make sure your power supply is up to the job. We will be happy to supply you with full technical specifications on request.
All our Heat Pumps are super efficient, economical and environmentally friendly pool heating systems. Heat pumps have the lowest possible carbon footprint and running costs. For the most modern, efficient, reliable and eco friendly heating for your swimming pool, we have no hesitation in recommending our low cost heatpumps. Click here if you would like to know about our more upmarket heatpumps, such as Calorex, at heavily discounted prices.
Heat Pumps can be over 400% more efficient than conventional electric heaters, extracting energy from air and transfering heat into the pool. They work on the same principle as an air conditioner or refrigerator in reverse, expelling air cooled to about 5°C below the surrounding environment.
An impressive innovation in the Alto, Competition, Waterco and Palm EnergySaver models is the Titanium Exchager, for saltwater chlorinated pools or as added protection against chlorine and bromine. The Titanium exchanger will last up to 3 times longer than standard copper exchangers used on other Heat Pumps. These swimming pool heat pumps also have Direct Set Thermostats. Just set your ideal temperature and the Alto Heat Pump does the rest automatically. Accurately monitor your pool water temperature, saving energy and telling bathers the exact temperature before they swim.
We suggest the following guide sizes. As long as you keep the pool covered when not in use, these should be capable of giving you comfortable swimming throughout a typical UK open air swimming season. Our heatpumps are all of exceptional quality, and will work down to some very low outside air temperatures, even to below freezing in some cases. For details please see the relevant brochures. But for winter swimming, indoors or out, they will all struggle a bit. We therefore advise, in these cases, some sort of additional top-up heating. For example you could plumb in an electric or gas heater after the heatpump, and set the thermostats on both machines so that your top-up heater only cuts in if your heat pump has not already supplied all the warmth you require.
Inground swimming pools:
24' x 12' and 28' x 14' - 12 to 16kw
30' x 15' - 15 to 25kw
32' x 16' and 36' x 18' - 23 to 31kw
40' x 20' - 30 to 36kw
Above ground swimming pools:
12' - 8 to 12kw
15', 18' and 20' x 12' - 9 to 16kw
24' x 12' - 15 to 18kw
30' x 15' - 15 to 25kw
33' x 18' - 23 to 31kw
Although not usually essential, it is worthwhile connecting a by-pass in parallel across your heatpump. This simply requires two tees, a valve, and a short length of pipe, which we can supply. Reducing the flow through your heatpump, by shunting a proportion of the pool water around it, can help fine tune the performance of your heatpump and help it work to peak efficiency. The extra pipework also makes it easier to drain down your heatpump when you are not using it in the winter, which is essential to prevent freezing damage inside.
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Output kW (up to 5x power in) Manufacturer's kW at stated °C Fair Comparison estimate at 20°C |
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at 20°C 12kw |
15kw |
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| New Improved with all Titanium heat exchangers | - |
£1859 Buy |
£2429 Buy |
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Output kW (up to 5x power in) Manufacturer's kW at stated °C Fair Comparison estimate at 20°C |
25°C horizontal 5.6kw 5kw |
horizontal 9.5kw 8.5kw |
horizontal 12.5kw 11kw |
vertical 17kw 15kw |
vertical 21kw 19kw |
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| Titanium heat exchanger. Very quiet. | £1149 Buy |
£1489 Buy |
£1699 Buy |
£2669 Buy |
£2899 Buy |
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Output kW (up to 5x power in) Manufacturer's kW at stated °C Fair Comparison estimate at 20°C |
20°C 16kw |
21kw |
25kw |
31kw |
36kw (3-phase only) |
44kw (3-phase only) |
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| Titanium | £2755 Buy |
£3595 Buy |
£3825 Buy |
£4195 Buy |
£4875 Buy |
£5835 Buy |
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| sub zero extended season model | £3949 Buy |
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£4755 Buy |
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| Indoor Ducting Kit | £290 Buy |
£290 Buy |
£290 Buy |
£320 Buy |
£320 Buy |
£320 Buy |
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Output kW (up to 5x power in) Manufacturer's kW at stated °C Fair Comparison estimate at 20°C |
15°C 9kw 10kw |
14kw 15kw |
29kw 32kw |
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| RA titanium | £1350 Buy |
£2075 Buy |
£3525 Buy |
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Output kW (up to 5x power in) Manufacturer's kW at stated °C Fair Comparison estimate at 20°C |
15°C 9kw 10kw |
15kw 16.5kw |
23kw 25.5kw |
30kw 33kw |
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| RA range indoor or outdoor Titanium |
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£3379 Buy |
£3669 Buy |
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| RA heatpump indoor vent ducts kits | £169 Buy |
£169 Buy |
£199 Buy |
£199 Buy |
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Output kW (up to 5x power in) Manufacturer's kW at stated °C Fair Comparison estimate at 20°C |
24°C 6.5kw 6kw |
8.5kw 8kw |
12kw 11kw |
18kw 16.5kw |
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| Titanium | £1071.81 Buy |
£1296.59 Buy |
£1664.41 Buy |
£2641.2 Buy |
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Output kW (up to 5x power in) Manufacturer's kW at stated °C Fair Comparison estimate at 20°C |
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25°C 7kw 6kw |
10w 9kw |
13kw 11.5kw |
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| Titanium | - |
£1041.15 Buy |
£1327.24 Buy |
£1838.11 Buy |
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Output kW (up to 5x power in) Manufacturer's kW at stated °C Fair Comparison estimate at 20°C |
25°C 18kw 16kw |
22kw 19.5kw |
22kw 3-phase 19.5kw |
26kw 3-phase 23kw |
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| Titanium | £2543.11 Buy |
£3115.29 Buy |
£3166.37 Buy |
£3340.07 Buy |
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Output kW (up to 5x power in) Manufacturer's kW at stated °C Fair Comparison estimate at 20°C |
25°C 45kw 40kw |
55kw 49kw |
90kw 80kw |
105kw 93kw |
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| £9088.38 Buy |
£10212.3 Buy |
£10217.4 Buy |
£10217.4 Buy |
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Output kW (up to 5x power in) Manufacturer's kW at stated °C Fair Comparison estimate at 20°C |
14kw 12kw |
20kw 17.5kw |
32kw 27.5kw |
37.5kw 32.5kw |
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| Power output measured at 80°F or 26.5°C | £2941.59 Buy |
£3432.02 Buy |
£3728.33 Buy |
£4188.11 Buy |
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Output kW (up to 5x power in) Manufacturer's kW at stated °C Fair Comparison estimate at 20°C |
25°C 3kw 2.5kw |
5kw 4.5kw |
8kw 7kw |
10kw 9kw |
12kw 10.5kw |
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| From around £600. Please phone for prices and availability | - |
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