by Mark Hansberger on November 26, 2013November 26, 2013 Your Heat Pump and Its 3 Cooling, Heating and Defrost Cycles Air-source heat pumps have three cycles that allow them to operate as both cooling and heating solutions for your Southwest Arizona home. Starting with the heat pump cooling cycle, here is an overview of these […]Read More Filed Under: Heat Pumps Tagged With: Arizona– cooling cycle– defrost cycle– heat pumps– heating cycle– heating system– outdoor coil– Yuma