Forums Green Remodeling & ... Energy-Efficient HV... Notifications Clear all Energy-Efficient HVAC Systems & Heat Pumps RSS Status Author Topics Forum Replies Views Last Post Just hit 20 years with the same HVAC—am I just lucky? By diy856, Energy-Efficient HVAC Systems & Heat Pumps 108 348 By shadoww60 How Often Do You Actually Check Your Heating and Cooling Systems? By emiller61, Energy-Efficient HVAC Systems & Heat Pumps 0 4 By emiller61 think my AC might be too big—anyone else dealt with this? By timactivist, Energy-Efficient HVAC Systems & Heat Pumps 0 3 By timactivist finally got my heating and cooling checked—huge relief By train73, Energy-Efficient HVAC Systems & Heat Pumps 0 4 By train73 navigating permits for HVAC installs—city vs county rules? By culture748, Energy-Efficient HVAC Systems & Heat Pumps 0 4 By culture748 Is it just me or does remembering HVAC upkeep feel impossible? By kayaker17, Energy-Efficient HVAC Systems & Heat Pumps 0 5 By kayaker17 furnace filters vs. duct cleaning – what's your pick? By ffisher45, Energy-Efficient HVAC Systems & Heat Pumps 1 8 By simbadavis244 Finally got my heating and cooling setup right By genealogist49, Energy-Efficient HVAC Systems & Heat Pumps 0 1 By genealogist49 is it just me or are HVAC warranties getting worse? By runner43, Energy-Efficient HVAC Systems & Heat Pumps 0 3 By runner43 underfloor warmth: electric mats or hydronic tubes? By zeus_white, Energy-Efficient HVAC Systems & Heat Pumps 0 4 By zeus_white Share: