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Domestic Air Source Heat Pumps – Ecodan

Turn Key Air Conditioning - Mitsubishi Electric Ecodan Approved InstallerGround source heat pumps and the high efficiency levels they offer have been well known for some time. The lesser known air source heat pumps can also offer significantly higher levels of efficiency in comparison to traditional home heating systems.

Air source heat pumps are much easier and far less costly to install than ground source, making them a far better option for many homes.

Turn Key Air Conditioning - Mitsubishi Electric Ecodan Approved InstallerConverting Energy From Air into Home Heat

The Ecodan air source heat pump system has an external box which is fitted to the outside wall. The box harvests renewable, low grade energy from the outdoor air and upgrades this into useful heat. This heat is then used to provide the home with hot water and heating. 

Ecodan units are highly efficient; for every 1kW of electricity fed into an Ecodan air source heat pump system, it will produce at least 3kW of heating energy. Remarkably, the Ecodan air source heat pump system can work efficiently all year round - even if the outdoor temperature falls as low as -25ºC.

The Ecodan range of air source heat pump systems have been developed by Mitsubishi Electric specifically for the UK market. This air sourced heat pump system brings advanced, inverter-driven technology refined from application in the commercial heating sector, to the domestic market.

How Ecodan Air Sourced Heat Pumps Work

The technology inside the air source heat pump is similar to that in a domestic refrigerator, using a vapour compression cycle. The main components in the air source heat pump are the compressor, the expansion valve and two heat exchangers one for evaporation, one for condensation.

  1. The refrigerant in the evaporator is colder than the heat source (the outside air). This causes the heat to move from the heat source (the outside air) to the refrigerant, which then evaporates.
  2. This vapour then moves to the compressor, where it reaches a higher temperature and pressure.
  3. The hot vapour then moves to the condenser and emits heat as it condenses.
  4. Finally, the refrigerant moves to the expansion valve where its temperature and pressure falls; and it returns to the evaporator.


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Mitsubishi Electric Ecodan Domestic Air Source Heat Pumps. Air Source Heat Pumps Easier & Less Costly to Install in Comparison to Ground Source Heat Pumps. External Box Harvests Renewable Low Grade Energy & Upgrades it to Useful Heat. Mitsubishi Electric Ecodan Air Source Heat Pump Operates All Year, Summer & Winter.

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