Minn. R. agency 144, ch. 4660, VENTILATION, pt. 4660.8320
Current through Register Vol. 49, No. 29, 2025
Fresh air intakes for ventilation systems shall be located not less than 25 feet away from a ventilation exhaust, combustion exhaust, driveway or parking area. The bottom of fresh air intakes serving central air systems shall be located as high as possible, but not less than four feet above grade, or, if installed through the roof, not less than two feet above roof level. Air intakes for individual room units shall not be less than one foot, six inches above outside grade. Any exhaust system or waste chute vent shall terminate not less than 25 feet away from windows that can be opened.
Minn. R. agency 144, ch. 4660, VENTILATION, pt. 4660.8320
Statutory Authority: MS s 144.56; 144A.02 to 144A.08