How to Troubleshoot a Furnace

The furnace in your home is an appliance that has a track record of going an extremely long time in between repairs. As a matter of fact, some people never need anything done to their furnaces during its useful life other than routine maintenance. With that being said, they are a mechanical device and not everyone is so lucky to never need a repair. They are a complicated device that requires a lot of knowledge in order to repair but there are a few problems that you may be able to handle yourself. These are a few ways you can know how to troubleshoot a furnace yourself.

Problem: Low air flow coming out of the vent openings and a wining sound when the system runs.

Troubleshooting tip: This is either a very serious problem with the system or an extremely easy one to correct. Start with the easy one first. Open up the large air intake vent for your furnace … read full article