3 ms·
It is not - IRC (International residential code) requires whole house mechanical ventilation (like the forementioned ERV/HRV) if a house is measured at < 5 ACH5
by turtlebits 2y ago
It is not - IRC (International residential code) requires whole house mechanical ventilation (like the forementioned ERV/HRV) if a house is measured at < 5 ACH50.