David Butler's Discussions (87)

Discussions Replied To (72) Replies Latest Activity

"It depends on purpose of test. If it's not for program or code compliance, then test…"

David Butler replied Oct 6 to Blower door test for small apartment building

15 yesterday
Reply by John Nicholas

"Daniel wrote: "Any air not returning to the system from each room will be gained fro…"

David Butler replied Oct 1 to How to measure room pressures

20 Oct 5
Reply by John Proctor

"Sean wrote: > never knew manufacturers would ramp down fan speed for fan only Two…"

David Butler replied Sep 30 to How to measure room pressures

20 Oct 5
Reply by John Proctor

"Sean wrote: > HVAC fan only not on heat or cool Hi Sean, do you know if that prot…"

David Butler replied Sep 29 to How to measure room pressures

20 Oct 5
Reply by John Proctor

"I'm not sure if I'm making myself clear. You don't want to 'squeeze' the outdoor uni…"

David Butler replied Sep 24 to Mini split installation location

14 Sep 27
Reply by Jan Green

"Hi Jan, actually, I said you'd be fine putting it on the west wall since you want a…"

David Butler replied Sep 24 to Mini split installation location

14 Sep 27
Reply by Jan Green

"Hi Jan, in a room like that with a relatively balanced aspect ratio, flat ceiling an…"

David Butler replied Sep 20 to Mini split installation location

14 Sep 27
Reply by Jan Green

"Really hard to advise without knowing the layout. But you're asking good questions.…"

David Butler replied Sep 17 to Mini split installation location

14 Sep 27
Reply by Jan Green

"Among the various opinions expressed here, I offer a few 'truths'... Ceiling fans ar…"

David Butler replied Sep 17 to Mini split air conditioners and ceiling fans

13 Sep 20
Reply by Beverly Lerch

"Luke wrote: > (ERV)  "...extract independently from bathrooms... allows you to el…"

David Butler replied Aug 31 to Fresh air vent

13 Sep 10
Reply by John White

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Duct Optimization and Performance - Free CE Webinar at Webinar Online

October 31, 2018 from 12pm to 1:15pm
Good indoor air starts with proper duct design and installation. In residential ventilation…See More
yesterday
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"Thank You, Colin!  Those are very good points and processes to do some Zone Pressure…"
yesterday
Colin Genge replied to Jerry Needham's discussion Blower door test for small apartment building
"The way we'd normally do this is to mount one blower door in the hallway, then a duct tester…"
yesterday
Scott Katznelson replied to Jerry Needham's discussion Blower door test for small apartment building
"Most of the work I do is retrofit of older buildings. Marriage wall leakage is often significant,…"
Thursday
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"Scott Katznelson   In 2013,  I had my HERS Field Review completed on a multi-family…"
Thursday
Sean Lintow Sr replied to Jerry Needham's discussion Blower door test for small apartment building
"Sorry but LMAO - one blower door for that small of a space gives you an accurate number for the…"
Thursday
Chris Davis posted a blog post
Thursday
Scott Katznelson replied to Jerry Needham's discussion Blower door test for small apartment building
"The most accurate way to accomplish this is to have 4 blower doors running at the same time, one…"
Thursday
Brett Little posted a discussion

Tour 2 IL New Built Homes - 1 LEED Silver - 1 Zero Energy Ready

During the IL Green Built Home Tour, we looked at 2 homes right down the road from each other to…See More
Thursday
Jan Green commented on Pearl Certification's blog post Two National Brands Join Forces Demonstrating Unity in Home Energy-Efficiency Rating Systems
"Congratulations to Pearl for innovative thinking and finding the right path to ensure these homes…"
Thursday

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