David Modrzejewski's Groups (6)

  • Tools of the Trade

    105 members Latest Activity: Jul 21 A hammer and a saw used to be the key tools for home contractors. Today, the best-in-breed also use high-tech equipment while performing a…

  • Marketing Energy Efficiency

    253 members Latest Activity: Jul 21

    Sharing ideas, tools and examples of promoting energy efficiency to consumers

  • Social Media and Energy Efficiency

    104 members Latest Activity: Dec 31, 2016

    Tell us how you reach customers, contractors and others using online social media.

  • Home Energy Ratings

    107 members Latest Activity: Oct 3 Calculating them; visualizing them; explaining them; selling them .... there is a lot to discuss and debate here

  • Best Practices (Residential)

    344 members Latest Activity: Nov 3

    Best Building, Retrofitting, or even Auditing Practices - what are they, what should change, what needs to find it's way to the dust bin of…

  • HVAC

    205 members Latest Activity: 5 hours ago HVAC design, Manuals J, S, T, & D, Duct leakage, Air flow, ENERGY STAR new home requirements, and more. Since heating & cooling are such a big part…

Latest Activity

Stuart Langley liked David Byrnes's blog post Strategies for Hiring and Interviewing for Home Performance Professionals
2 hours ago
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,…"
5 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…"
5 hours ago
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'…"
5 hours ago
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
5 hours ago
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…"
5 hours ago
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
5 hours ago
Debra Little's video was featured

Robert Bean, Iain Walker, indoor environmental quality experts

Robert and Iain discuss home indoor health & environmental quality. Design for human factors; thermal comfort, air quality, sound, odor...kitchen exhaust, th...
6 hours ago

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