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We all have a Heat Pump in our homes - it's a fridge. However, the fridge is designed to create coolant, and the by-product of cooling is heat. A fridge loses its heat through a cooling matrix at the back of the unit. A Heat Pump works in the same way as your fridge, but it is designed to create heat; the by-product of this heat production is a very cold fluid, which we pump through a series of sealed ground loops. The warmth in the ground then re-heats the coolant before it is sent back to the Heat Pump for the cycle to start over again. A Heat Pump has the same level of reliability as your fridge and requires no scheduled maintenance.
Industry-standard tests show that Heat Pumps have an average COP (Co-efficient of Performance) of around 4.6, which means that for every kW of electricity used to drive the Heat Pump, it will give out 4.6kW of heat, giving the heat pump an efficiency rating of 460%. For further economies, using additional equipment (see energy storage), it is possible for the Heat Pump system to run only at night making use of cheap-rate electricity, when running costs are half price. The Heat Pump can comfortably heat a swimming pool and, with the aid of a specially designed heat recovery air ventilation system, keep the pool air warm at a fraction of normal running costs. |
In summer, the Heat Pump has cooled the ground around the pipes. This is because it has been extracting heat from the ground to warm the house through the winter. We recover this coolness through our system to chill the house for the cost of running a circulation pump, which roughly works out to less than 10 pence a day for a 200 sqm property. |
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The Heat Pump is the heart of any Greentec System, so we only work with the very best names in the industry. |
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