Steve Nations
  • Oak Park, IL
  • United States
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high rise humidity

Started this discussion. Last reply by Dennis Heidner Apr 3. 7 Replies

I have a friend/client with dry conditions in his condo. He's on the top floor of a 17-story building.  He's always had dry conditions, but after a major renovation made necessary by water damage…Continue

 

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Dennis Heidner replied to Steve Nations's discussion high rise humidity
"If the unit has a RTU,  is it by any chance bring in fresh air from outside that has not been humidified?  In many of those high rise designs - they may be some kind of ERV that is supposed to capture and transfer some of the the humidity…"
Apr 3
Franco Oyuela replied to Steve Nations's discussion high rise humidity
"Why Is My House So Humid? imply put, high humidity in a home occurs when moisture comes into a home and cannot get out. The main way that your home’s humidity level is controlled is through your air conditioning system. Apart from your AC not…"
Mar 19
David Butler replied to Steve Nations's discussion high rise humidity
"@Franco, you apparently didn't bother to read the original post or any of the replies. The first two sentences from original post: "I have a friend/client with dry conditions in his condo. He's on the top floor of a 17-story…"
Feb 25
Franco Oyuela replied to Steve Nations's discussion high rise humidity
"What causes excess humidity in a home? Simply put, high humidity in a home occurs when moisture comes into a home and cannot get out. The main way that your home’s humidity level is controlled is through your air conditioning system. Apart…"
Feb 25
Daniel Baur-McGuire replied to Steve Nations's discussion high rise humidity
"Do a duct test. Total Duct Leakage! Measure RH at return and supply. Verify humidifier is on. If that humidifier is working you could be pumping humid hot air into building cavities.  A recipe for mold and mildew"
Feb 25
David Butler replied to Steve Nations's discussion high rise humidity
"Yes, you should be able to measure differences in RH, especially at the supply, as Sean said. But keep in mind that RH is not the same as absolute humidity, which is what the humidifier is affecting. RH, as I'm sure you know, is dependent on…"
Feb 22
Steve Nations replied to Steve Nations's discussion high rise humidity
"Thanks for the replies.  David, do you think I should be able to see any humidity difference in different areas of this condo?  It's a steam system that's running constantly, with the blower fan running. Packaged RTU, on the roof…"
Feb 22
David Butler replied to Steve Nations's discussion high rise humidity
"@Steve, I concur with Sean's comments. Your client is just throwing money out the window trying to humidify a space with leakage that high. I recall a client who had installed four steam humidifiers, yet experienced high 20's to low…"
Feb 22
Sean Lintow Sr replied to Steve Nations's discussion high rise humidity
"Real short - to much air leakage with outside conditions being very dry = low humidity inside Add on to this the stack effect (plus the wind up here) & you can throw out those NA change numbers that most normally use Only time you would notice a…"
Feb 22
Steve Nations posted a discussion

high rise humidity

I have a friend/client with dry conditions in his condo. He's on the top floor of a 17-story building.  He's always had dry conditions, but after a major renovation made necessary by water damage (ironic, I know) from a busted fire sprinkler pipe, he had a high-end steam humidifier added to his HVAC system.  The installer says it's putting out 20 gallons of water per day into this condo unit that's about 21,000 ft3 total.  But the humidity conditions in this unit don't seem to have changed with…See More
Feb 21
Diane Chojnowski left a comment for Steve Nations
"Hi Steve, Welcome to Home Energy Pros Forum. Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos, and upcoming events. If you're blogging about home performance, this is the place for…"
Feb 21
Steve Nations is now a member of Home Energy Pros Forum
Feb 18

Profile Information

Company
Nations Home Inspections
Role in Home Performance Marketplace
Energy auditor / assessor / analyst, Home Inspector (real-estate transactions)
Website URL
http://NationsHomeInspections.com

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At 11:41am on February 21, 2019, Diane Chojnowski said…

Hi Steve,

Welcome to Home Energy Pros Forum. Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos, and upcoming events. If you're blogging about home performance, this is the place for you!

Don't forget to upload your profile picture. 

Thanks!

Diane, HEP Forum Moderator

 
 
 

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