Now that winter's nearly here, it's time for a pop quiz: You wake up in the morning and there's ice on the dog's water dish. What do you do? If you had trouble with that one, it's time for a quick ...

Your troubleshooting situation this month involves an 80% single stage gas furnace that has been in service approximately seven years. When you respond to the customer’s complaint of “no heat,” you ...

A draft hood used to effectively ventilate the area around older “gravity vent” furnaces. Because current furnaces lack this feature, the condition described below results in some unburned gas ...

There is nothing worse than waking up in a freezing house in the middle of a cold winter’s night — except maybe, knowing you’ll have a big, expensive furnace bill to pay later that day! But don’t fret ...