Minn. R. agency 144, ch. 4658, MECHANICAL SYSTEMS; NEW CONSTRUCTION, pt. 4658.4525
Current through Register Vol. 49, No. 29, 2025
Fresh air intakes for ventilation systems must be located at least 25 feet away from a ventilation exhaust, combustion exhaust, or driveway or parking area. The bottom of fresh air intakes serving central air systems must be located as high as possible, but at least four feet above grade, or, if installed through the roof, at least two feet above roof level. Air intakes for individual room units must be at least one foot, six inches above outside grade. Any exhaust system or waste chute vent must terminate at least 25 feet away from windows that can be opened.
Minn. R. agency 144, ch. 4658, MECHANICAL SYSTEMS; NEW CONSTRUCTION, pt. 4658.4525
Statutory Authority: MS s 144A.04; 144A.08