As the weather shifts and homeowners in Phoenix begin to switch from cooling to heating, it's important for them to check the health of their HVAC system.

Columbia Gas offers tips to save energy and cut bills this winter, including furnace care, thermostat settings, sealing leaks, and ENERGY STAR appliances.

As the fall chill arrives, experts say the worst time to discover a problem with your heat is when you already need it.

We have all seen the ads, heard the commercials, and listened to our friends talking about adding chemicals to the coolant in the radiator to solve various problems. “Fix overheating with Bob’s Wet ...