In this month’s troubleshooting situation, you’re responding to a customer’s complaint that his furnace isn’t heating properly. The equipment is an 80 percent AFUE, natural gas, induced draft unit ...

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The customer in this particular troubleshooting situation is somewhat savvy about his 12-year-old gas furnace. When he calls for service, he tells you that when things got very cold in the house, he ...

Staying proactive with cleaning, filter replacement, and system checks is an essential aspect of extending the lifespan of your investment.

Your furnace is probably the most important appliance in your home. Unless you live somewhere that doesn’t get cold, ever, ...

It's an "age-old problem," according to the Better Business Bureau of West Michigan: The weather turns cold; furnaces don't turn on, and customers get scammed by fraudulent repair workers. "This is ...