George M. Matthews
  • Walnut Creek, CA
  • United States
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George M. Matthews's Discussions

What is the state of California's plan to have houses at ZNE by 2020?

Started this discussion. Last reply by Hal Skinner Mar 15, 2012. 2 Replies

Could someone in the know please clarify the State's (law or regs) position on a requirement for houses to be Zero Net Energy by 2020?I see that a Bay Area group has created a roadmap to a clean…Continue

Effectively pricing duct sealing

Started this discussion. Last reply by Sean Lintow Sr Jul 27, 2011. 9 Replies

I'm wondering what home performance contractors have found to be the best contract and or pricing method for air sealing duct systems?What happens when the system has leaky areas that are hard…Continue

To replace old leaky ducts with new flex ducts or to seal the old with mastic?

Started this discussion. Last reply by Philip Green Jan 18, 2012. 9 Replies

A number of home energy pros I'm in discussion with don't think there is much use in keeping old ducts and prefer to replace them with new insulated flex ducts.Can anyone give me a more definitive…Continue

Blowing smoke - into ducts to find leaks

Started this discussion. Last reply by Bruce Looney May 12, 2011. 5 Replies

I've read about problems with blowing smoke into duct systems to find leaks. One article said that the smoke product left some bad residue inside the system. Does anyone have a good…Continue

 

George M. Matthews's Page

Profile Information

Company
Home Energy Retrofit
Professional Certification
Building Energy Analyst
Professional Interests
Comprehensive energy retrofits. Building a successful business providing energy efficiency and home renovation services to home owners.
Model making
Passive House, Zero Net Energy Houses
Website URL
http://www.homeenergyretrofit.com
Facebook Page
http://www.facebook.com/#!/pages/Walnut-Creek-CA/Home-Energy-Retrofit/144215608943594
LinkedIn Profile
http://www.linkedin.com/profile/edit?id=44699960&trk=hb_tab_pro...

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Chris Dorsi posted an event
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2018 Habitat X Summer National Conference at Big Sky Montana

June 27, 2016 to June 29, 2016
The 2018 Habitat…See More
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Kevin Miller replied to Bob Krell's discussion What Do You Do When You Find Suspected Mold? in the group Healthy Indoors (IAQ)
"Visual inspection can only confirm the presence of mold, not the absence.   That said,…"
11 hours ago
Armand C Magnelli replied to Don Fugler's discussion joining ducts in the group HVAC
"I often suggest pop-rivets as an alternative to sheet metal screws for both clothes dryer duct work…"
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Kevin Miller replied to Bob Krell's discussion What Do You Do When You Find Suspected Mold? in the group Healthy Indoors (IAQ)
"Sampling would be primarily to verify 'Condition 1' or 'Normal Fungal Ecology'…"
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Daniel Cullen joined Building Performance Institute's group
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Building Performance Institute (BPI)

BPI is the nation's premier standards development, quality assurance and credentialing organization…See More
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Daniel Cullen replied to Bob Krell's discussion What Do You Do When You Find Suspected Mold? in the group Healthy Indoors (IAQ)
"Can anyone tell me exactly HOW mold sampling impacts the mold remediation process or protocol? Why…"
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Daniel Cullen joined Bob Krell's group
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Healthy Indoors (IAQ)

The Healthy Indoors group is focused on indoor air quality (IAQ), mold, moisture control, radon,…See More
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