When it comes to lower-energy home heating ... [petey53], who made his own ground source heat pump for his Toronto house using a pair of window-mounted air conditioning units.

Air source heat pumps look similar to air-conditioning units ... These systems cannot produce hot water, so you'll need a separate immersion heater or other water-heating system. In the summer, an air ...

There are two main types of heat pumps. Air-source pumps typically cost around ... a hot water supply – this could be a separate immersion heater, also powered by electricity, said Beanland.

Researchers at the Technical University of Denmark have investigated how large-scale air-to-water heat pumps could be combined with PV-powered district heating ... of the air-source heat pump ...

Over the next two years, homebuilder Lennar is working with Dandelion Energy on one of the largest residential geothermal ...

The South Korean heating specialist said its new heat pump system can achieve a seasonal coefficient of performance of up to 4.79 and flow temperatures of up to 75 C.