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Choosing the right system

There are a number of heating solutions available for tall buildings such as high rise residential blocks, and none of these should present a challenge to installers.

The choice of heating system will depend on the level of thermal insulation in the building, as well as the building’s tenants themselves. For properties with low hot water demands, such as one-bedroom apartments or flats with one bathroom, individual gas boiler systems are a great solution.

High efficiency boilers are suitable for such properties, as they are all SEDBUK Band ‘A’ rated appliances and recommended by the Energy Savings Trust. If it is not possible to flue individual boilers, a centralised boiler supplying heating and hot water to each flat is a viable alternative.

In buildings where gas is not supplied, or there is only the capacity for an electric system, air-to-air heat pumps are a great renewable energy solution. Air to air systems are easier to retrofit than ground source systems.

Air-to-air heat pumps operate by extracting heat energy from the air outside of a building, passing it through a heat exchanger, compressor and refrigerant cycle and then distributing the now usable heat via fans within the building at a comfortable indoor temperature.

Indeed, air-to-air heat pump systems can efficiently heat a room during winter, as well as provide cooling during summer, enabling end users to enjoy a climate controlled environment all year around.

Furthermore, the ability to control air-to-air heat pumps, coupled with their renewable capabilities, makes them more energy efficient than storage or electric only heaters.

John Collings is marketing and technologies director of Vaillant