Exhaust Fan Calculator


Location Air Changes per hour
Bathroom (toilet only) 6 – 15
Bathroom with a shower 15 – 25
Bedroom 5 – 8
Cafe 15 – 25
Computer Room 6 – 10
Factory / Workshop 6 – 10
Garage 6 – 8
Commercial Kitchen 20 – 30
Domestic Kitchen 15 – 25
Laundry(No Dryer) 6 – 15
Laundry(With Dryer) 15 – 25
Commercial Laundry 11 – 20
Office 4 – 6
Sub Floor 6 – 10
Spa Bathroom 15 – 25