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Air Source Heat Pumps

Highly efficient MCS approved air to water heat pumps, featuring weather compensation. For a sustainable heating alternative, the Grant Aerona delivers exceptional performance, reliability and value.

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Why choose a Grant Aerona heat pump?

With outputs of 6kW, 10kW and 16kW, the inverter driven Aerona³ is designed to maintain a reliable and consistent heat output, even at low outdoor air temperatures. What’s more these compact and efficient units have an impressive ErP rating of A++ across the range.

What is a heat pump?
A heat pump uses the principles of thermodynamics to absorb energy from the surrounding environment and convert into usable energy and provide heating for our homes. There are a variety of heat pump products available - The Grant Aerona range features Air Source Heat Pumps (ASHP).
How do air source heat pumps work?
There are two types of air source heat pump – ‘air to air’ and ‘air to water’. The Grant Aerona uses an air to water system which utilises heat energy captured from the air in ‘wet’ heating system radiators or underfloor heating. The process uses the same vapour/compression cycle that extracts heat in a domestic fridge. A refrigerant with a low boiling point is exposed to external air temperatures in an evaporator. The liquid boils off to a gas and absorbs the latent heat energy of the air. This gas is then compressed increasing the heat content in the refrigerant, before passing through a heat exchanger where it condenses back to a liquid state while transferring the heat to the water of the heating system. The liquid refrigerant is then re-circulated through the evaporator and the cycle is repeated.
Is an air source heat pump good for the environment?
Yes, the heat source used by Grant Aerona heat pumps is entirely renewable which helps reduce the amount of harmful greenhouse gases being released into the atmosphere and, in so doing, lowers the carbon footprint of the household.

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