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  • Air source heat pumps

  • Ventilation systems


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TOTAL HOME ENVIRONMENT - First Social Housing Passivhaus Flats

The first social housing flats in the UK to be built to Passivhaus standards have had the help of leading specialists in heat recovery ventilation and air source heat pumps, Total Home Environment.

The three flats making up Rowan House in Sivell Place, Exeter, have designed out the need for a conventional heating system through the use of the Passivhaus design standards incorporating Total Home Environment’s recently Passivhaus certified Genvex GES Mechanical Ventilation Heat Recovery Appliance.

The GES Energy appliance not only provides the flats’ ventilation but also, during extremely cold conditions, provides the minimal heating requirements. This is provided by Total Home Environment’s self-regulating inline electric duct heater all controlled by the integrated control panel within the appliance. This integration ensures the systems are never fighting each other maximising energy efficiency.

The 10 stage 7 days per week controller has been set up to optimise user comfort by automatically adjusting the airflows throughout the day whilst constantly monitoring the desired temperature to within 0.1 of a degree. When required the system automatically adds extra heat or indeed automatically bypasses the heat recovery matrix to help cool the flats during the summer months. The built-in data logger provides over two years’ worth of temperature data (room, intake, exhaust, supply, extraction, fans speeds, summer bypass, call for heat and more). This was an important factor for Exeter City Council, who manage the flats.

The GES Energy mechanical ventilation heat recovery appliance is designed to ventilate domestic properties up to 200m².

Heat recovery ventilation is now the accepted form of mechanical ventilation required to not only meet building regulations, but to also contribute to achieving the current level of the Code for Sustainable Homes and essential for Passivhaus projects.

The flats will be for people over the age of 55 paying social rent, with priority for those downsizing from larger homes. Partly funded by a grant from the Homes and Community Agency, Rowan House has been built to meet very high sustainable standards. A further 18 Passivhaus homes will be constructed in Exeter and the project is one of more than 50 Passivhaus schemes underway in the UK.

Local architects Gale & Snowden are very pleased to have designed some of the first social housing flats in the UK to be built to Passivhaus standard and they are the first new council homes built in Exeter for more than 20 years.

Further information and technical advice on the range of heat recovery units from Total Home Environment is available by emailing below:

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Arundel Jones Associates Ltd
Hill Farm Business Park, Linton Hill, Maidstone, Kent ME17 4AL
Tel : 01622 745333

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