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Pump type and source Typical use 35 °C (e.g. heated screed floor) ... As of 2022 the installation cost of a heat pump is more than a gas boiler, ...
Capital costs may be offset by government subsidies; for example, Ontario offered $7000 for residential systems installed in the 2009 fiscal year. Some electric companies offer special rates to customers who install a ground-source heat pump for heating or cooling their building. [48]
Typical drill rig for DX installation, length 8 ft Typical drill rig for water source installation, length 22 ft. Direct exchange systems are rather simple refrigerant-based systems and operate without requiring anti-freezing agents, system flushing, circulating pump, water well drilling or plumbing.
For example, a conventional heat pump system used to heat a building in Montana's −57 °C (−70 °F) low temperature or cool a building in the highest temperature ever recorded in the US—57 °C (134 °F) in Death Valley, California, in 1913 would require a large amount of energy due to the extreme difference between inside and outside air ...
Although higher cost heat pumps can be more efficient a 2024 study concluded that for the UK "from an energy system perspective, it is overall cost-optimal to design heat pumps with nominal COP in the range of 2.8–3.2, which typically has a specific cost lower than 650 £/kWth, and simultaneously to invest in increased capacities of renewable ...
External heat exchanger of an air source heat pump. An air source heat pump can be used to air condition the building during hot weather, and to warm the building using heat extracted from outdoor air in cold weather. Air-source heat pumps are generally uneconomic for outdoor temperatures much below freezing.
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