The last thing anyone needs is for their furnace to start blowing cold air — especially in the winter. But what causes this ...

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 ...

A time may come when the majority of U.S. homeowners use heat pumps to heat and cool their homes, but we’re not there yet. According to Elements, in 2020 more than half of U.S. homes had forced-air ...

One of the most divisive topics in our industry is red-tagging a gas furnace. There are usually two types of calls where you could find yourself in this situation. The first is during a routine ...