natural gas furnaces / gas furnaces / energy use ratio / gas furnace / model energy codes / source energy use / even gas furnaces / energy use / source energy factors / source energy / natural gas use / electricity use / gas furnace space heating / natural gas furnace / site energy use / potential solution / energy savings / computed using source energy / /
MarketIndex
CFA / HERS / /
Organization
University of Central Florida / Florida Solar Energy Center / Environmental Protection Agency / /