Gary Hall
  • Coeur D Alene, ID
  • United States
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Gary Hall's Discussions

HERS score with HRV

Started this discussion. Last reply by John C. Semmelhack May 19. 4 Replies

My HERS rater using RemRate software says installing a HRV unit will raise (hurt) my HERS score by 3-4 points. If that's true is this a glitch in the software? This is new construction with 1.09…Continue

 

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John C. Semmelhack replied to Gary Hall's discussion HERS score with HRV
"I agree with David Butler...it really depends on the inputs into the model as well as the efficiency of the HRV. There's a big range of heat transfer and fan motor efficiency in the HRV/ERV world. If the ASHRAE 62.2-2013 ventilation rate…"
May 19
Gary Hall replied to Gary Hall's discussion HERS score with HRV
"Thanks, I will check it out. "
May 18
David Butler replied to Gary Hall's discussion HERS score with HRV
"@Gary, the HERS score is intended to reflect projected energy consumption, and since ventilation by definition adds to energy consumption (due to increased heating & cooling loads), it follows that adding ventilation should negatively impact the…"
May 18
Sean Lintow Sr replied to Gary Hall's discussion HERS score with HRV
"Depends on electric usage & how you have it run - what is he comparing it to? Beyond that you have to have ventilation - as for how you go about it can be a good or bad thing"
May 17
Gary Hall posted a discussion

HERS score with HRV

My HERS rater using RemRate software says installing a HRV unit will raise (hurt) my HERS score by 3-4 points. If that's true is this a glitch in the software? This is new construction with 1.09 blower door test, using high end variable speed heat pump. Question is, have any of you had this result with HRV?See More
May 17
Gary Hall posted a photo
Mar 19
Diane Chojnowski left a comment for Gary Hall
"Hi Gary, 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…"
Mar 6
Gary Hall is now a member of Home Energy Pros Forum
Feb 23

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Company
Frontier Homes LLC
Role in Home Performance Marketplace
Contractor: general (new/remodel)

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At 9:46am on March 6, 2018, Diane Chojnowski said…

Hi Gary,

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

 
 
 

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HERS score with HRV

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