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Air Source Heat Pumps

Air Source Heat Pumps (ASHP) are a very realistic greener alternative to the conventional fossil-fuelled heating system.

ASHPs use basic thermodynamic principles to convert latent heat, contained within the ambient air, into heat energy that can be used to provide heating and hot water. This system can be classified as a renewable energy source because the heat in the air is replenished by the sun.

There are two types of Air Source heat Pumps “Air to air” and “air to water”.

Air to water heat pumps release the energy into a water circuit which is then used in a wet heating system such as radiators or under floor.

Air to air pumps release the captured energy through an air heat exchanger, which is then forced, by fan, around the dwelling through trunking or directly into the room.

Grant UK Heat Pumps

The Grant Aerona Range


Grant Aerona air to water heat pumps include many innovative components. The integration of a highly efficient weather compensating device with dual temperature control and a 3 kW electrical heat backup, (there is also a factory fitted option to upgrade the electrical backup to 6 kW, by special order) allows the unit to perform more efficiently than some other heat pump designs, giving a reliable heat output, using less power, resulting in lower running costs. The design also allows for easy installation, into a new or existing S-plan type system configuration.

The Aerona is available in 6 kW, 8.5 kW, 11 kW, and 13 kW outputs. (Not including the immersion back-up)

Daikin Heat Pumps


The Daikin Altherma LT split system offers complete flexibility for both new and refurbishment green heating projects, where a water temperature of 50deg C is sufficient.

The low temperature system also offers the option of being connected with an indirect pressurised solar thermal system to create a fully renewable energy system.

The wall hung indoor unit, or hydrobox, generate water temperatures of up to 50degC for space heating and hot water.

The outdoor unit extracts heat from the outside air and transfers it to the indoor unit via refrigerant piping.

The Daikin Altherma LT split system has the option of integrated design.

  • Floor standing indoor unit
  • The cylinder can be mounted on top of the indoor floor mounted hydrobox saving space in the build.
  • Improved cylinder efficiency and performance.

Danfoss Heat Pumps


Good for your Wallet - Good for the environment.

Four unique Danfoss technologies at the heart of the DHP-AQ

Opti: (Optimum Technology) This green technology constantly monitors the heat pump system and adjusts the pumps performance accordingly. This allows your pump to run at its most efficient level.

OPTI can improve the seasonal performance of the pump by approximately 10%.

TWS: (Tap Water Stratification): This patented Danfoss technology is used in the Danfoss water cylinders. This technology ensures a fast production of hot tap water. It can also lower costs and improve the pump's seasonal performance.

Acoustically engineered mechanical design: This feature lowers the sound level of the DHP-AQ to the lowest on the renewable technology market.

This allows the outdoor unit to be installed where it suits the customer with a minimal consideration to noise levels.

Flexibility: The DHP-AQ offers a range of green energy solutions which creates complete flexibility to adapt to the customers needs.

Also available is the Danfoss DHP-A heat pump series.

Sanyo Heat pumps are the technology of the future


CO2 ECO Heating System

Unlike other heat pump systems which use a group of (HFCs and HCFCs), SANYO's solution is to use R744 as its refrigerant, which is carbon dioxide (CO2), an entirely natural and non-toxic gas that is sealed within the system.

The CO2 ECO Heating Domestic System is easy to install consisting of a single 4.5kW or 9.0kW capacity outdoor heat pump unit and an indoor unit tank. The system connects to all standard radiators and under floor heating systems.




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