![What You Shouldn’t DIY When It Comes to Furnace Maintenance](http://54b.eda.myftpupload.com/wp-content/uploads/2019/01/Furnace-Life-Tune-Up-300x211.jpg)
There are numerous signs something has gone wrong with your furnace. You may notice an eggy smell coming from the unit, or your house not getting as warm as you would like. Even if you consider yourself handy, your furnace is the last thing you want to turn into a DIY project.