Alternative Energy

We can offer our customers a choice of alternative energy systems all designed to suit your own individual requirements.

Air source heat pumps

Air Source Heat Pumps use basic thermodynamic principles to convert latent/sensible heat (contained within the ambient air) into heat energy that can be used to provide heating and hot water. In this respect the device can be classified as a renewable energy source because the heat in the ambient air is replenished by the sun.

Air to water heat pumps release the energy into a water circuit which is then used in a wet heating system.

Solar thermal hot water

Solar Thermal is a clean and highly efficient means of using renewable energy from the sun to provide the hot water used in the home. The basic principle is easy to understand. If you unroll a garden hose on the ground and leave it exposed to the radiant heat of the sun, in a short time the water in the hose will become warm. Solar thermal collectors work in very much the same way, only more efficiently. Usually, but not exclusively, roof mounted solar collectors will be connected to one of the coils of a twin-coil cylinder using a sealed circuit containing a special glycol / water solution. This fluid not only withstands the high temperatures in excess of 200ºC on a summer day but also will not freeze in temperatures down to –25ºC. The pump in the system circulates the heated fluid from the panel to the cylinder where the heat is transferred to the stored water through the lower coil.

Biomass (wood pellet) Boilers.

Wood pellet boilers are an environmentally friendly, safe and convenient way of heating the home, using wood pellets as fuel.

However, they differ from traditional solid fuel boilers. Apart from the green aspect, the units are fully automatic and behave more like an oil or gas boiler, using advanced controls which cleverly regulate the amount of fuel being delivered to the burner to match the heat demand on the boiler.

© Mark Wood Heating Ltd. 2010.

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