Mark Furst
  • Fort Atkinson, WI
  • United States
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Mark Furst's Discussions

Bath fan weirdness

Started this discussion. Last reply by Bruce Fillmore Oct 11, 2018. 13 Replies

I recently measured disappointing bath fan flows at a project - both being below our program minimum of 50cfm. The builder had the installer come back to have a look and found nothing obvious but he…Continue

Tax Credit and the LTO test

Started this discussion. Last reply by Mark Furst Mar 10, 2018. 4 Replies

Anybody else super frustrated by the retroactive implementation of the tax credit?I have 2 big problems with this:1)Most all of the homes I rated last year did not pass the tax credit because I opted…Continue

Tags: test, LTO, Credit, Tax

 

Mark Furst's Page

Latest Activity

Minnie Coleman replied to Mark Furst's discussion Worst boiler ever?
"OMG!"
Jun 3
Ash Healy replied to Mark Furst's discussion Worst boiler ever?
"And a child with matches :)"
May 31
Dennis Heidner replied to Mark Furst's discussion Worst boiler ever?
"Wow,  a combination boiler and basement fireplace... great for toasting marshmellows and hotdogs while awaiting the fire department...."
May 23
Ed Minch replied to Mark Furst's discussion Worst boiler ever?
"that's right up there"
May 23
Mark Furst replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"Hmm, good point. I didn't notice any droppings but it could be. I'll check my other pics."
May 22
Mark Furst replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"On a tangentially related topic: I saw this today in an old attic installed AC system. Ducts made from only fiber-board, coming apart at the corners."
May 22
Ash Healy replied to Mark Furst's discussion Worst boiler ever?
"Come on Mick Lane, it needs to be retired."
May 22
Ash Healy liked Mark Furst's discussion Worst boiler ever?
May 22
Mark Furst replied to Tom Smith's discussion Are Energy Efficient Windows worth the investment?
"After testing many hundreds of homes over the years I find that replacing windows is usually the least of people's needs. In older homes there's much more effective ways to spend that money doing air sealing and insulating, usually for…"
Mar 7
Mark Furst replied to Jerry Needham's discussion 70 unit building rehab
"Large multi-families are challenging, both to test and to upgrade. I work solely in the single family/duplex market but From what I've seen at conferences and on line, the things I'd look for are: Any concrete that can potentially act as a…"
Feb 25
Mark Furst commented on Michael Schettine's blog post Air sealing and framing combined
"Good info, however.... “The benefit of framers handling the air sealing as they are framing the home is that once that job is done, the majority of your air sealing labor is complete, and the insulation can be installed.” This holds…"
Feb 7
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 the soffit, and reduces insulation value where it crosses the top plate. (significantly)  Better going through the sidewall or box/gable, nice…"
Oct 11, 2018
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 the outdoor hood. And there's a notable difference if the capture hood is flush with the wall (eg around foundation wall) or if there are gaps,…"
Oct 11, 2018
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 diameter to get the same CFM reading."
Oct 11, 2018
Sam Karpowicz replied to Mark Furst's discussion Bath fan weirdness
"What size is the exhaust vent?  I helped with a project in the past where the exhaust was vented out with 3-4" vent (forget which one).  But it wasn't reaching its stated exhaust flow rate.  The contractor had to come back…"
Oct 9, 2018
Sean Lintow Sr replied to Mark Furst's discussion Bath fan weirdness
"I will go back to how did you seal up tight / anything else that could impact the flows (just remember that those nice arrows we draw for flows... well nature has a way of screwing with you - especially with wind)"
Oct 5, 2018

Profile Information

Company
Grading Spaces LLC
Role in Home Performance Marketplace
Energy auditor / assessor / analyst
Professional Certification
BPI, HERS Rater, Home Energy Score Qualified Assessor, RESNET
Website URL
http://www.gradingspaces.com

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At 5:34pm on March 12, 2018, Diane Chojnowski said…

Hi Mark,

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!

Thanks!

Diane, HEP Forum Moderator

 
 
 

Forum Discussions

HIRING TECHNICIANS!

Started by CMC Energy Services in General Forum 3 hours ago. 0 Replies

The problems with gas stoves

Started by Jacob Corvidae in Best Practices. Last reply by Diane Chojnowski on Saturday. 1 Reply

Heat and A/C on a boat

Started by Ed Minch in HVAC. Last reply by John White Jun 4. 3 Replies

Worst boiler ever?

Started by Mark Furst in General Forum. Last reply by Minnie Coleman Jun 3. 6 Replies

Where to spend my marketing dollars?

Started by Trip Smith in Marketing. Last reply by Alan Bine Jun 1. 11 Replies

How to Insulate Exposed Outdoor Ductwork?? Help

Started by Daniel Baur-McGuire in General Forum. Last reply by Ed Fritz May 23. 9 Replies

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