We have no idea whether [Nick Goodey] is a trained engineer or not. But given the detailed design of this DIY energy recovery ventilator for his home HVAC system, we’re going to go out on a limb and ...

Codes require the introduction of outdoor air for mechanically-ventilated commercial buildings, to help assure that pollutants and bio-effluents introduced into the indoor air will be diluted and ...

Improper ventilation allows pollutants like chemicals, allergens, dust, and mold to build up in a building or home, putting its occupants at risk. Most often, responsibility for properly ventilating ...