Japan’s Toshiba has shared the outcomes of a “future-proof” housing undertaking in the UK. It combines two 11 kW air-source warmth pumps in a five-bedroom home in Chester, England, with a 16 kW PV system and an 11 kW battery. The property is reported to be power impartial in the summertime months.
A UK home-owner put in two air-source warmth pumps, a rooftop PV system, a battery, and two variable refrigerant movement (VRF) programs at a property in Chester, England.
The “future-proof” set up has been in operation since December. It has two 11 kW Toshiba ESTIA air-to-water warmth pumps for area heating, home sizzling water, and cooling in the summertime months. Warmth pumps use R32 as refrigerant and have a coefficient of efficiency (COP) of as much as 4.88.
One of many ESTIA programs serves about 90 sq. meters of underfloor heating within the open-plan kitchen and eating room, whereas the opposite offers sizzling water. It additionally heats the higher radiators and towel rails from the 300-litre water tank. ESTIA indoor items embody a 3 kW backup heater to make sure operation at low ambient air temperatures. Toshiba says the system delivers sizzling water at 62 C when the surface temperature drops to -25 C.
The warmth pumps are powered by a 16 kW rooftop PV system from an undisclosed producer. Extra power is saved in an 11 kW battery power storage system. House owner and renewables guide David Meseck mentioned the property is now “power impartial” in the summertime months, with generated and saved power offsetting electrical energy consumed from grid.
“The entire system has been operating since December of final yr and the best way the home has modified is superb,” Meseck mentioned. “It is vital to get every thing proper; the undertaking is sized accurately and the tools is put in accurately. Together with different measures, we now have an environment friendly, all-electric heating system with the additional benefit of cooling in the summertime, and the annual price of servicing is akin to the boiler cowl. In addition to serving to to future proof our dwelling and lowering power prices, the adjustments have elevated property worth. “
The system was put in by Mansfield-based Woburn Mechanical Providers.
“That is by a long way the largest home undertaking we have ever performed,” mentioned installer Peter Franks. “The shopper is aware of what he needs and now has a complete heating and cooling system. Toshiba tools is superb by way of efficiency and reliability and comes with a seven-year guarantee. We would not be price it with out we’re absolutely assured in it.”
Picture: Toshiba
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