Tag: motorized damper

  • The Ventilation Omission That Can Make You Sweat

    Subtitle:  If you connect an ERV or HRV to your heating and cooling ducts, you’ll need a way to stop the undesired inward flow of outdoor air Images:  If you’re designing a ventilation system, first you have to determine how much outdoor air the house needs. You can use ASHRAE 62.2A standard for residential mechanical…