A. Check your air filter on a monthly basis and change it whenever it’s dirty. Flush your condensate drain line when you check your filter, especially in the summer months when algae growth is more prevalent.

A. A lot of people are in the same boat as you because natural gas prices, especially in the Midwest, have soared in the last few years. One way we've helped customers cope is with Trane's Hybrid Heat system. It's a high-efficiency natural gas furnace combined with a high-efficiency electric heat pump. It's often referred to as a "dual fuel" system.