The last thing anyone needs is for their furnace to start blowing cold air — especially in the winter. But what causes this ...

If your furnace is giving off cold vibes, even when you turn the heat up, it's a sign that there's a problem. It may be an ...

Skipping the manufacturer's instructions during installation may result in a furnace that fails within six months or less. For example, heat exchangers can crack from improper venting, and gas valves ...

Experts recommend turning on your furnace before freezing temperatures arrive to check for issues and help prevent major problems during winter. Signs your furnace may need replacement include being ...