Install an air exchanger. Panasonic makes some that are reasonably priced. | Hacker News

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		colek42 on Jan 21, 2019 \| parent \| context \| favorite \| on: On whether changes in bedroom CO2 levels affect sl... Install an air exchanger. Panasonic makes some that are reasonably priced.

halbritt on Jan 21, 2019 | [–]

They're called energy recovery ventilators or ERVs. The Panasonic units are most well-regarded.

graeme on Jan 21, 2019 | [–]

Do these need to be a whole house system or can they be installed just in one room?

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