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Air Source Heat Pumps

 

What is an Air Source Heat Pump?

Put simply, an Air Source Heat Pump is a system that transfers heat from outside to inside a building via radiators, under floor heating and/or hot water. They absorb ambient heat from the outside air and boost this heat to a higher temperature to heat your home and provide hot water. These systems are a proven and reliable technology and are able to extract heat from the air even when temperatures are as low as -20°C. They are usually situated outside the property adjacent to a side or back wall but can be placed up to 50 meters away if using a split system.

How do Air Source Heat Pumps work?

An Air Source Heat Pump works like a refrigerator but in reverse. It absorbs heat from the outside air into a liquid at a low temperature, then the heat pump compressor increases the temperature of this. The heat generated is transferred via a condenser into the property’s heating or hot water system. The refrigerant continues to circulate within the system and passes through an expansion valve to cool the temperature down to start the cycle again.

What types of Air Source Heat Pumps do we offer?

We offer a wide range of Air to Water Heat Pump brands and work with all the leading manufacturers which gives us extensive knowledge and experience with heat pump design & installations.

Monobloc Heat Pumps – when the requirement is for a simple system solution relying on the external ASHP unit being sited adjacent to an external wall. The mechanics/refrigeration cycle are combined in one outdoor unit with a flow & return pipe running indoors to transport the hot water to the hot water & heating system. Installation is quick and easy!

Split Heat Pumps – when the requirement is for the external ASHP unit to be sited away from the building to be heated (up to 50 meters.) With a split system, the mechanics/refrigeration cycle are contained within an internal unit called a Hydrobox. In this case, refrigeration pipework is run from the external to indoor unit. Split systems also offer a high temperature version which can deliver flow temperatures of up to 65°C.

Why opt for Air Source Heat Pump?

These are a great alternative to conventional heating systems and can be used to heat radiators, underfloor heating installations, fan convectors and provide hot water in your home. They run most efficiently when producing a lower flow temperature (compared to conventional heating systems) so this needs to be considered when sizing your heat emitters.

Swapping to an air source heat pump can reduce your carbon footprint and lower your fuel bills, particularly if you’re replacing conventional electric or oil fuelled heating.

The Benefits of an ASHP:

  • Can generate less CO2 than conventional heating systems.
  • You could potentially receive payments by producing your own heat through the UK’s Renewable Heat Incentive (RHI), subject to certain criteria.
  • They have a long lifespan with proper maintenance they can be operational for up to 20 years.
  • No fuel storage is needed.
  • Potentially lower utility bills compared to conventional heating systems like electric & oil.
  • Properly designed and installed heat pumps regularly attain more than 300% efficiency.
  • Air source heat pumps are generally less disruptive & easier to install than ground source heat pumps.

How much will an Air Source Heat Pump cost?

Heat Pumps can provide significant savings on fuel bills over traditional electric and oil heating systems due to their low running costs and can typically reduce heating bills by 40%.

Air Source Heat Pumps are cheaper to install than Ground Source Heat Pumps. The approximate cost of installing a typical ASHP system ranges between £9,000.00 – £11,000.00

Homeowners can apply for the RHI tariff and receive a payment for each unit of green energy produced, which means that over time you can recover your installation costs.

For an indicative quote and more information on Heat Pumps please contact our dedicated department on 01303 248648 (option 3.)

Air Source Heat Pump maintenance

Heat Pump systems typically come with a warranty of two to three years, although each manufacturer differs. Many manufacturers also offer optional extensions of warranty for a fee.

Servicing is required annually to ensure maximum efficiency and maximum manufacturer warrantee periods. In addition, RHI tariff qualification conditions require your system to be maintained on a regular basis.

We offer a wide range of maintenance and aftercare services for your system – organise a service in Kent today.

Do I need planning permission for an Air Source Heat Pump?

ASHP’s are generally allowed as permitted developments, depending on certain factors. Please check with your local authority to find if planning permission is required.

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