We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › A: Cold house aside and chattering teeth aside, a malfunctioning home furnace could ...

Key Points 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 ...

Lexie is a former Staff Writer at Forbes Home and has over 6 years of professional experience as a writer and editor in the home improvement space. She's previously worked at sites such as HomeAdvisor ...

Pay attention to furnace smells. A metallic or burning odor could mean overheated electrical components. A musty smell ...