How do heat pumps work? – OMNIE Underfloor Heating, Heat Pumps & Ventilation

Air Source & Ground Source
heat pumps work by
extracting energy
from natural resources.


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Energy from the air & energy from the ground.

Heat pumps extract energy from the air or the ground and use this energy to heat (and sometimes cool) water that is used in a building. A heat pump is simply a different heat source to a boiler, one that is more energy efficient, more environmentally friendly and cheaper to run. In the UK, the Renewable Heating Incentive (RHI) programme, allows end users to reclaim certain costs associated with heat pumps. You can read more about the RHI programme in our technical resources section.

Introduction to heat pumps

Find out more about why heat pumps are a reliable alternative energy source.

ground source heat pumps

Ground Source Heat Pumps - these heat pumps work by passing a brine solution through an array which is buried in the ground. The underground array acts as a type of heat exchanger and the brine solution heats up as it passes through the underground array.

air source heat pumps

Air source heat pumps work by extracting energy from the air. Large volumes of air is sucked in using a fan, and passed over a heat exchanger. The warmth extracted from the air is used to heat water, which is passed through the pump and then stored for use in a building.