Just seeking clarification on high/ low returns in the same room. Forced air heat and cooling. (Heat Pump) Low return has a damper to close. what configuration ( ...
Are duct humidifiers typically installed in heat pump systems. I know they are good for forced air furnaces, but what about heat pumps?
Is there any approved repair for a frayed electrical service wire other than replacement? During home inspections I've come across service cables with varying deg...