hvac system inspection 4

https://atomic-wiki.win/index.php/What_to_Look_for_When_Hiring_Heating_and_Cooling_Contractors

When the technician arrives for the HVAC system inspection, they start by checking the outdoor condenser unit for debris and making sure the coils are clean. Then they move inside, examining the furnace or air handler, testing electrical connections, and measuring the temperature differential across the evaporator coil. They also replace the air filter if needed and check the refrigerant pressures, ductwork for leaks, and the thermostat calibration. This thorough once-over catches small issues…