Tag: RH
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Measuring (and Understanding) Humidity
Subtitle: Humidity sensor recommendations for building professionals and homeowners Images: Author’s Note: I can’t even start this blog before thanking Lew Harriman of Mason-Grant Consulting. Lew very patiently and gently hammered me into a much better understanding of humidity in air and its measurement. While any errors or lack of clarity regarding humidity and its…
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Measuring (and Understanding) Humidity
Subtitle: Humidity sensor recommendations for building professionals and homeowners Images: Author’s Note: I can’t even start this blog before thanking Lew Harriman of Mason-Grant Consulting. Lew very patiently and gently hammered me into a much better understanding of humidity in air and its measurement. While any errors or lack of clarity regarding humidity and its…
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Relative Humidity Doesn’t Tell You How Humid the Air Is
Prime: prime Subtitle: There’s a lot of confusion about this term Images: There’s a problem with relative humidity. I hear it a lot when I talk to people about moisture problems. A client with high humidity in his home recently told me he didn’t understand how it could be more humid inside his home than…
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Will a Gas Furnace Dry Out a Home’s Air?
Subtitle: This common belief has some truth behind it, but there’s more to the issue than you might think Images: I get asked from time to time if a gas furnace dries out the air in a home and makes a humidifier necessary.
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Vented Crawl Spaces and the Psychrometric Chart Are Not Friends
Subtitle: Replacing humid air with more humid air doesn’t work Images: Really, the argument about whether you should vent a crawl space in a humid climate is over. Advanced Energy’s research project from 2002 proved that closed crawl spaces outperform vented crawl spaces. A quick look at the psychrometric chart below shows that the argument…