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Mitsubishi Ecodan
Many have heard of ground source heat pumps and the high efficiency levels they can offer but few have realised that air source heat pumps can also offer significantly higher levels of efficiency when compared to traditional methods of heating our homes.
Air source heat pumps are much easier to install than ground source so they are more suitable for a wide variety of properties from flats to detached houses.
The Ecodan air source heat pump system consists of an external box which is fitted to your outside wall. It harvests renewable, low grade energy from the outdoor air and upgrades this into useful heat to supply a home with hot water and heating. For every 1kW of electricity fed into Ecodan, you will get at least 3kW of heating energy.
The outdoor unit is a bit like your fridge in that it has a circuit of factory-sealed copper piping containing ozone-friendly refrigerant, which is continually compressed and expanded to extract the free, renewable energy from the air.
Your fridge extracts heat from the box inside (to keep food cold) and rejects it at the back. The air source heat pump works a bit like this but in reverse in that it extracts heat from the outdoor air and upgrades it to heat up your hot water supply.
It can work efficiently all year round even if the outdoor temperature should drop to -15ºC.
The Ecodan range of air source heat pump systems have been developed by Mitsubishi Electric specifically for the UK and bring advanced, inverter-driven technology refined in the commercial heating sector to your home.
Ecodan in Operation
Ecodan heat pumps are ideal for use in a variety of house sizes or styles and it’s carefully developed control system is designed to work perfectly to provide hot water to either traditional radiators or under floor heating systems.
Traditionally heat pumps have been seen as only suitable for under floor heating, however with the advanced control system of Ecodan and it’s ability to provide optimum variable flow temperature control, radiators can now be easily provided with the hot water they need and prove to be a very efficient option.
Capacity control in radiator systems, with a fixed flow temperature is controlled by Thermostatic Radiator Valves (TRV). These operate by turning the radiators on and off to maintain the desired comfort level. For example at 2°C, with 55°C flow temperature, the radiators will be on 50% of the time and off for the other 50% of the time. The Ecodan will vary the flow temperature automatically, based on the ambient temperature to keep the house warm. Operating at these lower flow temperatures significantly improve efficiency.
Why is Ecodan so efficient?
Ecodan uses proven heat pump technology, refined in the commercial heating sector, to harvest free, renewable energy from the outdoor air. This means that for every 1kW of electricity used, you get at least 3kW of heating energy.
With decades of experience, Ecodan from Mitsubishi Electric will provide reliable, sustainable heating and hot water even if the outdoor temperature should drop to -15ºC – something that is unlikely to happen in the UK.
Mitsubishi Electric has also designed Ecodan to be much quieter than many other heat pumps and has built the system to be as ‘plug and play’ as possible using advanced inverter-driven technology which means that it only consumes the exact amount of energy needed to match heating demand at any given time.
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