Why Is My Heater Blowing Cold Air?
Waking up to a freezing house is bad enough, but trying to figure out what causes heater to blow cold air when you're already shivering is a total nightmare. You expect that familiar rush of toasty warmth when the vents kick on, so when you feel a literal draft of ice-cold air instead, it's natural to panic a bit. Before you start imagining a multi-thousand-dollar replacement bill, take a deep breath. ...