What if my mechanical ventilation was sufficient to meet ASHRAE 62.1 minimums AND the majority of my rooms had operable windows? Could I use the operable windows to meet the 30% additional ventilation for 90% of spaces?
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Tristan Roberts
RepresentativeVermont House of Representatives
LEEDuser Expert
11478 thumbs up
January 20, 2011 - 7:15 pm
Daniel, I think this would be theoreticaly possible, but fraught with some difficulties. A key one is that your HVAC system is probably designed to operate independently of operable windows, and vice versa. To do what you propose you really need to make sure that they'll play nice together and actually deliver the 30% difference. This may take some complicated work. And is that really how the system will be used?