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jap5531 OP t1_jea2w4y wrote

Reply to comment by ApparentlyABear in How to stop cold air from coming in through door frame? by jap5531

This is interesting. What do they do to fix that?

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ApparentlyABear t1_jea4a63 wrote

Usually adjust some dampers. In extreme cases they may need to resize a duct or add dampers to existing ducts. Basically they’re measuring how much air is getting sucked into your HVAC unit and how much air is getting pushed out of each register and try to make those numbers the same.

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jimh903 t1_jeav3tg wrote

This is commonly cause by leaking vents in the attic or crawl space which can easily be repaired.

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Gov_CockPic t1_jea4k7a wrote

I'm not sure how they fix it, but the test we always used to use is if you fart in the middle of your living room, how long does it take to stop smelling of fart? If time-to-dispersion is less than 26 seconds of butt gas smell time, you've got yourself a leak.

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heliphas_the_high t1_jeatd4c wrote

You have to remember that if it's more than 26 seconds, you could be dealing with a butt leak. That test is kinda outdated because of this

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Earthguy69 t1_jebv6bk wrote

That only applies to standardized farts containing 0.56 curic per square meter of air.

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