by Mark Hansberger on April 23, 2013April 23, 2013 Gas Furnace Retrofit: Some Features You’ll Want To Consider You may benefit from a gas furnace retrofit if your current system is too large for your Southwest Arizona home, your furnace uses a continually burning pilot light and/or you’ve improved the energy efficiency of your […]Read More Filed Under: Furnaces Tagged With: Arizona– energy efficiency– gas furnace retrofit– Yuma