David Butler's Discussions (87)

Discussions Replied To (72) Replies Latest Activity

"It's certainly possibly to connect an HRV/ERV to a furnace or A/C duct system and ma…"

David Butler replied Aug 31 to Fresh air vent

13 Sep 10
Reply by John White

"Allow me to add to what's already been said. Typically I recommend an ERV or HRV for…"

David Butler replied Aug 30 to Fresh air vent

13 Sep 10
Reply by John White

"When topping off an existing ceiling with batts, there's a cost to pulling out the o…"

David Butler replied Aug 2 to Adding blown insulation to poorly installed batts?

10 Aug 17
Reply by Peter Krych

"Easy... insulate the attic ceiling. I'm not sure how much good it would do to air se…"

David Butler replied Jun 21 to Overheating garage

7 Jul 5
Reply by John Nicholas

"Is it the cathedral ceiling that's sweating? Is the condensation on or adjacent to s…"

David Butler replied May 31 to Condensation on ceiling and walls of master bedroom

11 Oct 3
Reply by Michael Dunseith

"@Gary, the HERS score is intended to reflect projected energy consumption, and since…"

David Butler replied May 18 to HERS score with HRV

9 Jun 7
Reply by Nicholas Burger

"If no ducts in attic, I can't imagine any rationale for installing RB. If the object…"

David Butler replied May 4 to Radiant Barrier Southeast

6 on Thursday
Reply by yassin chahdi

"In new construction, I used to specify TechShield roof sheathing (OSB with RB alread…"

David Butler replied May 3 to Radiant Barrier Southeast

6 on Thursday
Reply by yassin chahdi

"ThermaTru makes attractive fire rated doors that have a decent u-value (0.15 IIRC).…"

David Butler replied Apr 27 to Fire Rated High Performance Doors

3 May 2
Reply by John C. Semmelhack

"I agree with Sean that closed cell spray foam is the way to go. Closed cell gives yo…"

David Butler replied Apr 27 to Green Building Tips for a School Bus RV Conversion Project

4 May 3
Reply by ayazfudugo1

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Forum Discussions

ENERGY STAR Version 3

Started by Allison A. Bailes III in General Forum. Last reply by Mandy Leazenby 3 hours ago. 10 Replies

Blower door test for small apartment building

Started by Jerry Needham in General Forum. Last reply by John White on Friday. 9 Replies

Radiant Barrier Southeast

Started by Gary Wright in Best Practices. Last reply by yassin chahdi on Thursday. 6 Replies

Latest Activity

Mandy Leazenby replied to Allison A. Bailes III's discussion ENERGY STAR Version 3
"I've only ever worked on Energy Star with Habitat for Humanity.  But we have very few…"
3 hours ago
Colin Genge is now a member of Home Energy Pros Forum
4 hours ago
Brett Little posted a discussion

How to become a Certified GreenHome Professional - Free Webinar!

The Certified GreenHome Professional (CGHP) training is a way to learn about the basics of…See More
yesterday
Corbett Lunsford's video was featured

Testing Air Quality with Your Nose: Control Your HOMEChem

Charlie Weschler sits down with Grace and Corbett and gives fascinating examples of the complexity of indoor air chemistry. He is an air quality legend, a professor on three continents, and a super nice guy.
Friday
Profile Iconwallace van, Tony kroos and Sunmar Construction, Inc joined Home Energy Pros Forum
Friday
John White replied to Jerry Needham's discussion Blower door test for small apartment building
"Well, I think it completely depends on the purpose and requirement of the test. Testing one unit in…"
Friday
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"I can use my Duct Blaster on any house that I expect to be less than 1300 CFM through the…"
Friday
Sean Lintow Sr replied to Jerry Needham's discussion Blower door test for small apartment building
"FYI, he is in Illinois where code is 5 (well up until March as noted when it drops to 4)  Heh…"
Friday
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"Here are two pictures of the duct blaster fan as a blower door.  1 in a door and 1 in a…"
Thursday
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"What standard are you testing to? Energy Star requires 5 ACH @ 50.   Code is 3.0 etc…"
Thursday
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"What standard are you testing to? Energy Star requires 5 ACH @ 50.   Code is 3.0 etc…"
Thursday
Franco Oyuela replied to Allison A. Bailes III's discussion ENERGY STAR Version 3
"The ENERGY STARnew homes program has been around since the mid-1990s and is currently undergoing…"
Thursday
Blake Reid commented on Blake Reid's blog post Managing Mold & Humidity (in Hawaii)
"Thank you very much! They're actually the same, though - the one with the dehu cover photo has…"
Thursday
John Proctor commented on Blake Reid's blog post Managing Mold & Humidity (in Hawaii)
"Nice post -- much better than the one that only showed the dehumidifier."
Thursday
Brett Little updated an event
Thumbnail

Full Circle Urban Forestry: Introducing Urban Wood Opportunities - Free CE Webinar at Webinar Online

December 5, 2018 from 12pm to 1:15pm
Many common urban tree removal practices in the United States view felled urban trees as costly…See More
Thursday
Brett Little replied to Brett Little's discussion Virtual CEU Tour of the Pembroke Passive Solar Zero Energy Ready Home
"You know utilities are pretty complex, especially in IL, however it looks like just about 6.8 cents…"
Thursday
yassin chahdi replied to Gary Wright's discussion Radiant Barrier Southeast
"It’s hard to choose on of these as most of the time the reviews and buying guides found on…"
Thursday
Bruce Fillmore replied to Mark Furst's discussion Bath fan weirdness
"In my opinion venting into any soffit is a bad idea, it usually requires a sharp bend to get into…"
Thursday
Tray Biasiolli replied to Mark Furst's discussion Bath fan weirdness
"I'd agree with Sean - we get wind effects regularly when measuring ventilation fan intake at…"
Thursday
Charles Buell replied to Mark Furst's discussion Bath fan weirdness
"You would have to test the vent at the inside at a location the same diameter as the outside…"
Thursday

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