Air-to-water heat pumps use outdoor units similar to air-to-air models ... such as North American Technician Excellence or HVAC Excellence, to service residential heating and cooling equipment.
Lennox Residential HVAC has launched an extreme cold climate heat pump that warms with low GWP refrigerant in temperatures as low as -20F.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback