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A comment on DIY ventilation heat exchanger (2010). Parent comment

Re:DIY ventilation heat exchanger (2010) by andbberger on Saturday December 23, 2023 @09:39AM (#38744512)
commercial systems often use rotary regenerators
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Re:DIY ventilation heat exchanger (2010) by kragen on Sunday December 24, 2023 @08:22AM (#38753294)
indeed!
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