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Garage AC with supply register only & back flow preventer on central hvac?
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I understand central hvac return in garage is a bad idea because of carbon monoxide. Logical.
But, What about a supply only register with a one-way back flow preventing baffle?
Hypothetically- No carbon monoxide will penetrate house from garage because when system is off the baffle prevents back flow pressure and there no returns in garage.
Also, whatever gets blown into garage slowly leaks out of garage doors right?
How is this not safe? dangerous? Illogical? What am I missing?
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- 4 months ago
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