13 costeffective performance make proper installation ambient air maximize effectiveness people living fantastic choice functions effectively regular basis tax credits regular maintenance standing charges twicedaily reductions fossil fuels resilient future technologies contribute environmental benefits economical choice lifespan advantages optimize effectiveness home pick save money significantly lower frigid weather lowest cost homes water energy costs energy consumption areas encourage hot water system draws heat compressed refrigerant benefits system running smoothly clock hot water lowcarbon heating systems helps lessen wear conventional heating systems electric water heater capturing renewable energy harnessing renewable energy residential areas size offset related emissions renewable electrical source environmentally friendly combine providing financial incentives noise levels produced providers quiet operation annual carbon footprint