We understand if you want to manage as many repairs and home improvement tasks as possible on your own or with the help of a few friends. It’s a good way to save money, and people are always looking for ways to cut down on expenses they don’t absolutely need.
But not all household jobs are equal in complexity and safety. Reattaching sagging gutters is one thing. Fixing a gas furnace is something quite different. The simple answer to the question “How can I fix my furnace on my own?” is “You can’t. Call professionals to do it.”
Burning natural gas in any appliance produces byproducts that can potentially be harmful to people. This is the basic way that combusting fuel works—after all, a fireplace can be dangerous if the smoke from the fire isn’t allowed to vent up the chimney and instead gets pushed into the home.
Although odd noises coming from your furnace may be annoying, there is a good reason to be thankful for them: they can warn you when something is wrong that needs the help of HVAC professionals to correct. Furnaces aren’t yet advanced enough where they can automatically determine what their malfunctions are and communicate the data to their owners. Maybe someday we’ll have that technology. For right now, you’ll have to settle for paying attention to warning noises so you know to call us for 
