Rheem Manufacturing Co. is recalling some of its “90-plus” series gas furnaces, delivered with faulty heat exchanger drums that wear out too fast. Several units were sold in the Lehigh Valley. Dealers ...
Check thermostat settings, filters, and fuel supply first when your furnace blows cold air. Call an HVAC technician for issues like sensor failures, clogged burners, or duct leaks. Skipping routine ...