Tight-house solution: A recirculating hood and an HRV

摘要

Code requirements for kitchen ventilation vary widely from jurisdiction to jurisdiction. If your local building official is willing to accept the installation of a recirculating range hood that doesn't exhaust any air to the exterior, you can sidestep the makeup-air dilemma entirely. This approach has been pioneered by Passive House builders, who usually try to avoid unnecessary exhaust fans or makeup-air supply ducts when they are building.