House Ventillation Requirement

• 0.35-1 air exchanges per hour for air quality in a home [1]
• For one bedroom of the Seed Eco-Home 2, we have nominally 170 sf or 1360 cf.
• 100 CFM gets us 1360 cf in about 14 minutes, or about 4 air exchanges per hour.
• Thus, 100 cfm is more than adequate.