Together with improving effectiveness, condensing furnaces with sealed combustion are safer. The provision traces, combustion chambers, and flues are sealed from The within of houses Consequently preventing exhaust gases from leaking or getting back again-drafted into occupied Areas. FEMP's acquisition guidance for household furnaces and the connected ENERGY STAR effectiveness https://fernandomombl.acidblog.net/60731989/5-simple-statements-about-energy-purchasing-explained