Heat pumps are sole source of heat for new primary school

Mitsubishi, air source heat pump, space heating, renewable energy
Heating and hot water for this new school in Warrington is provided solely by Mitsubishi Electric air-source heat pumps.

Air-source heat pumps provide heating and hot water for a new school in Warrington — without any support from gas-fired boilers. The £4.3 million Chapelford Village Primary School is a low-impact design that uses a host of energy-efficient technologies such as lighting control with absence detectors and mechanical heat-recovery ventilation.

Heating, cooling and ventilation for the 2219 m2 school, which has 14 classrooms, was planned by BCM Consulting. Matthew Hakes of BCM explains, ‘We used advanced energy-modelling techniques to determine that the optimum energy solution for heating this building was to use air-source heat pumps. Following further analysis, we arrived at the conclusion that a Mitsubishi Electric system would provide the best technical solution for this application.’

The Ecodan CAHV system was installed by A&B Engineers and offers heating and sanitary hot water up to 70°C. The installation can deliver 172 kW of heat at an outdoor temperature of 3°C. Drop off is minimal down to -20°C, including defrost. 69% of the energy delivered is renewable.

There is a gas supply, but only for the kitchen area.

For more information on this story, click here: August 2013, 136
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