HVAC Contractor says 2nd floor doesn’t have enough supply

Just wrapping up building a high performance house in Zone 7 Northern Wisconsin. I have a Mitsubishi 2.5 ton heat pump and air handler ducted through the house along with… Just wrapping up building a high performance house in Zone 7 Northern Wisconsin. I have a Mitsubishi 2.5 ton heat pump and air handler ducted through the house along with…Read MoreGreenBuildingAdvisor