GeoT*SOL is a professional and user-friendly tool for planning and designing heat pump systems. The program offers you the choice between different heat sources, operating modes and numerous system ...

Heat pumps operate by moving heat from lower temperature areas to higher temperature areas. They typically take advantage of an electrically driven compressor and a closed vapor compression cycle.

Part 1 in this series covered defrost cycle problems in heat pumps. Now, let's discuss the second major winter issue: heat pumps stuck in one mode. The customer calls and says the system won't switch ...

Do heat pumps work in large or older homes? We look at what experts say, the real costs involved, and how homeowners are ...