Air & Ground Source Heat Pumps

Heat your home with energy absorbed from the air around you.

The technology inside an air source heat pump is very similar to that of a domestic fridge – transferring heat from one place to another – the back of your fridge is warm because it is removing heat from the food inside the fridge out into the room.

An air source heat pump sits outside your home and extracts warmth from the outdoor air. It upgrades this renewable heat energy and transfers it inside the home to provide hot water and heating for radiators and/or underfloor heating. The self contained unit only requires electric and water connections.

Like your fridge, it will do this quietly and reliably, all year round, even in sub-zero temperatures down to -20°C.

In addition to low running costs heat pumps are classified as a renewable energy source because they capture free energy from the air.

For every 1kW of electrical input power, heat pumps harvest and upgrade renewable heat energy from the outdoor air to provide the home with an average of at least 3kW of heat. 

Heat pumps are classed as permitted development, and do not need planning permission

Mitsubishi have just released the new Ultra Quiet Ecodan, available in 8.5kW and 11.2kW options, this new unit is 3 times quieter than the previous equivalent models. There is a video availabe on Youtube which has much more information. 

https://youtu.be/bmtHJHya164

 https://heating.mitsubishielectric.co.uk/KnowledgeBase/Public/Domestic_Heating_Brochure.pdf

Ground Source Heat Pumps

Ground Source heat pumps take heat out of the ground and concentrate that heat so that it can be used in a normal central heating system. The heat is collected from a network of pipes buried in the ground, either as loops of pipe laid horizontally in the ground, about 1m below ground level, or alternatively as a vertical pipe which can reach a hundred metres or more into the earth in a bore hole. We can also install the pipework in rivers, lakes or very large ponds.

Because the heatpump is collecting heat from the ground, it does not need to burn fuel or use electricity to generate heat. The only power needed is the electricity used to run the various pumps and controls for the heating system, this makes the system much cheaper to run than a conventional heating system, particularly if mains gas is not available.

The heat pump itself is similar in size to a fridge or washing machine, and is usually located inside the property.

https://www.stiebel-eltron.co.uk/content/dam/ste/gb/en/productsandsolutions/renewables/Drawing%20Heating%20Energy%20from%20the%20Ground%20Brochure%20(PRESS%20READY).pdf

The Benefits of Air & Ground Source Heat Pumps.

  • Could lower your fuel bills, especially if you are replacing conventional electric heating

  • Could pay for themselves through the government’s Renewable Heat Inventive (RHI). Please see the link below to the Ofgem website, this has lots of information on the RHI scheme, how it works, and current tariff information. https://www.ofgem.gov.uk/environmental-programmes/domestic-rhi

  • Could lower your home’s carbon emissions, depending on which fuel you are replacing

  • Don't need expensive fuel deliveries

  • Will heat your home and provide and hot water

  • They need very little maintenance - they're called ‘fit and forget’ technology. They will need an annual service, to ensure they are working at their full efficiency. 

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