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Calorex Swimming Pool Heat Pumps

The heat pump is now recognised as one of the most economical and environmentally friendly methods of dynamically heating a swimming pool. Its principle allows heating of your swimming pool water by enhancing the free and natural energy in the air to a usable form of heat whilst respecting the environment. By careful design a Calorex heat pump is capable of providing your pool with up to five units of absorbed heat for every one unit paid for.


The main advantages of a Calorex heat pump

  • 74% less emissions than an oil boiler

  • Low operating cost

  • Designed and built especially for swimming pools

  • water heated to 35°C

  • Simple installation

  • Long lifespan

  • Suitable for swimming pools in operation throughout the year*

  • Minimum maintenance

Domestic swimming pool Heat pumps Pro-Pac 8Y - 22Y


Calorex Pro-Pac heat pumps are specifically designed for swimming pool heating. Heat pumps are recognized as the most sustainable way to dynamically heat swimming pool water and with a Calorex heat pump you will save both energy and operating costs. Calorex Pro-Pac Y heat pumps are designed to operate in air temperatures as low as -15oC and are ideally suited for heating indoor or outdoor pools.

Commerical Swimming Pool Heat Pumps Pro-Pac 30 - 140


Calorex Pro-Pac commercial heat pumps are specifically designed to economically provide hot water to high activity and larger pools such as those in camp sites, leisure parks, hotels etc. Heat pumps are recognised as the most sustainable way to dynamically heat swimming pool water and with a Calorex heat pump you will save both energy and operating costs. Calorex Pro-Pac heat pumps are available for seasonal use during typical outdoor pool usage periods, or for indoor pool, all year round enjoyment.


Advantages of a heat pump

  • The most efficient way to heat water

  • Up to 334% operating cost saving against fossil fuel boilers

  • Up to 50% carbon saving against fossil fuel boilers

  • No flues or storage tanks

  • Minimal maintenance

  • Easy to retrofit to existing swimming pool systems Key features :

  • Capacities from 32kW to 125kW

  • Designed and built in the UK to ISO9001

  • Purpose designed components for pool heating

  • Can be installed outside or in a plant room

  • High efficiency spiral wound tube in tube Titanium condenser

  • Leading brand scroll compressors

  • Water flow switch Options :

  • Soft start

  • High pressure fan

  • Condensate collector

Calorex Environmental Control units


Correct air and water temperatures and humidity are essential elements that make your pool an enjoyable and attractive environment in which to exercise or relax.

Calorex have over thirty years experience of designing and manufacturing, advising on the most energy efficient and cost effective systems to keep your pool environment comfortable and efficient to operate. In these energy conscious times Calorex heat pump based dehumidifiers will recover and recycle as much energy as possible to reduce the need for new energy input and the resulting CO2 emissions. Our systems help prevent damage to your building caused by high humidity, reducing maintenance costs too. All our ranges are specifically designed for pool conditions using robust, high grade materials, for trouble free and low maintenance operation.

From the smallest residential pools to the largest Olympic pools, Calorex have supplied thousands of units throughout the world.

​Our company offers: 

Wholesale and Retail Sales to Professionals and end users  Installation of all systems we provide

• After sales service and support

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