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. They are alternate fuel providers that may be able to save you money on the Natural Gas you use to heat your home. They sell you the NG at a fixed rate over the year. Duke sells you the NG at different prices thru the year based on their actual cost at the time of delivery.