Coval Copse House, Esher
by
Heritage Design and Build

Even in Esher, Coval Copse House stands out as an exceptional home. With 6 bedroom suites, a heated indoor pool with gymnasium and sauna, and a custom contemporary interior including a superb Pedini kitchen/breakfast room, Heritage (www.heritagedb.co.uk) have created a very elegant residence.

As with their 2 even larger homes being built nearby, Heritage have invested heavily to make them highly energy-efficient. By installing an innovative GreenTec System to provide all hot water, heating, cooling and ventilation powered by a Ground Source Heat Pump, Heritage have ensured that this outstanding residence wil have the lowest levels of energy consumption, a small carbon footprint and, except on the very coldest days of the year, when a small gas boiler assists the Heat Pump, no local CO2 emissions.

Currently on sale at £6,500,000 through estate agents Knight, Frank (www.knightfrank.co.uk ), Coval Copse House will be ready in June 2009.

Lots of windows and a glazed rooflight give the pool a beautifully airy feel

The GreenTec System in Coval Copse House

Heating: A 20kW Ground Source Heat Pump harvests heat from the ground below the property through three 120-metre deep boreholes. As well as heating the pool and the pool air, the Heat Pump provides hot water for all sinks, baths, towel rails and showers, plus the thermostatically-controlled Under Floor Heating, the most efficient use of Heat Pump technology.

The Heat Recovery Ventilation System extracts stale air from the building's wet areas, replacing it with fresh, filtered air fed into the living areas. In colder weather, the incoming air is warmed by heat recovered from the outgoing stale air, adding another layer of energy efficiency.

Cooling: As the outside temperature rises, the GreenTec System initially turns off the Under Floor Heating and the extract air heat recovery. If the temperature in the house continues to rise, the system begins to tap into the cold fluid returning to the boreholes in order to cool incoming air to maintain a comfortable internal temperature. And, because the coolant for the air-conditioning is essentially a by-product from the Heat Pump, the approximate cost of running the Climate Control is a frugal 1p per hour per room.

Environment: Coval Copse House uses 60-80% less energy than a conventionally heated / air-conditioned house would, and, under normal running conditions, there are no local CO2 emissions. Coval Copse House's energy-efficient GreenTec System gives a supremely comfortable, healthy environment within a very small carbon footprint.

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