We are working on a high rise apartment job following ASHRAE 62.1. We have dedicated Heat pump for all dwelling unit and dedicated remote exhaust fan for toilet/kitchen. We are thinking of interlocking exhaust fan with Heat pump so can we consider low exhaust rate assuming it as continuous operation? or do we need to go with intermittent?
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Sherman Aronson
Sr. AssociateBLT Architects
4 thumbs up
April 29, 2020 - 3:11 pm
Similar issue on a multifamily project - but how do you address the outside air ventilation rate? Is there a dedicated outside air source for each apartment, or are you using the heat pump system to push the OA? Is the heat pump within each unit or a central ducted system? Natural ventilation with windows cannot count as the outside air source in ASHRAE 62.1. Does 62.2 work better for multifamily under LEED v4.1?