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Furnace repair is difficult on the new high efficiency furnaces, but there are a couple things that you can troubleshoot and easily repair. The two most common problems with a furnace is a dirty flame sensor and a bad igniter.

A routine that every homeowner should have is cleaning the flame sensor once a year. This will keep your furnace cycling properly and heating the home.

The next most common problem is an igniter that goes bad. It is easy to identify when it isn't working and very easy to replace. Every homeowner should have a backup igniter. It will save an expensive service call and is a great DIY project.