> home HVAC systems had a mode for using only recirculated air.
Is it a window unit or a whole-home system? For the latter, the ones I've used don't even have a setting for pulling in air from the outside; they always use only recirculated air. From what I've read, most are like that.
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timeasmymeasure
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Date: 2020-09-19 09:17 pm (UTC)> home HVAC systems had a mode for using only recirculated air.
Is it a window unit or a whole-home system? For the latter, the ones I've used don't even have a setting for pulling in air from the outside; they always use only recirculated air. From what I've read, most are like that.