ASHRAE 62.2

ASHRAE 62.2

A standard for residential mechanical ventilation systems established by the American Society of Heating, Refrigerating and Air-Conditioning Engineers. Among other requirements, the standard requires a home to have a mechanical ventilation system capable of ventilating at a rate of 1 cubic foot per minute for every 100 square feet of occupied space plus 7.5 cubic feet per minute per occupant.
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The total ventilation air flow rate of the house was calculated according to ASHRAE 62.
These data points are important as they directly impact the use of natural ventilation in existing standards, such as ASHRAE 62.
For builders and remodelers, the knowledge to apply new ventilation standards such as ASHRAE 62.
Panasonic introduces the WhisperSupply-Wall fans, designed to meet ASHRAE 62.
The supply and exhaust fans are assumed to have balanced flow rates equal to ASHRAE 62.
3 is a reasonable default because at that leakage level the infiltration is on the order of the desired ventilation rate in ventilation standards such as ASHRAE 62.
In particular, it has been shown that formaldehyde concentrations can exceed chronic standards in new homes meeting ASHRAE 62.
Relative Dose for Leaky House and Forced-Air Duct System for Three ASHRAE 62.
ASHRAE is in the process of publishing an addendum to ASHRAE 62.
Based on these measurements, it appeared that the H2 ventilation rate was consistent with ASHRAE 62.