How Do I Fix My Furnace

With a little do-it-yourself experience, you can troubleshoot and repair your furnace yourself. Your best bet though, is to have a maintenance check list for your heating system to avoid the problem.

Can I fix my furnace myself?

With a little do-it-yourself experience, you can troubleshoot and repair your furnace yourself. Your best bet though, is to have a maintenance check list for your heating system to avoid the problem.

How do you fix a furnace that is not heating?

Dirty filters are the most common cause of furnace problems. Dust and dirt restrict airflow—and if the filter gets too clogged, the heat exchanger will overheat and shut off too quickly, and your house won’t warm up. If the blower is running but no heat is coming out, replace the filter.