Heat Recovery Ventilation Explained

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This video is amazing, explaining the logic simple and clear!

ziyi
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The cross flow heat exchanger (in video) is relatively inefficient compared to a counter flow heat exchanger which can achieve 95% i.e. 0 C outside 20 C inside, stale air leaves at 1 C in coming air 19 C. The SOLCER house built in 2015 by Cardiff University has heat pump coils in these last 2 air flows and a third coil in the hot water cylinder.

robertparkinson
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1 question, isn't there any air suction device??

honestdude
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is this system an active system with an electrical motor?

acmedia
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This is a BS. This thing is just going to rase the price on the houses, already crazy high prices.

bambalai