David Modrzejewski's Groups (6)

  • Tools of the Trade

    101 members Latest Activity: Aug 4, 2016 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

    252 members Latest Activity: Mar 3

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

  • Social Media and Energy Efficiency

    104 members Latest Activity: Dec 30, 2016

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

  • Home Energy Ratings

    105 members Latest Activity: Jun 17, 2015 Calculating them; visualizing them; explaining them; selling them .... there is a lot to discuss and debate here

  • Best Practices (Residential)

    325 members Latest Activity: Jan 17

    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

    189 members Latest Activity: Jan 9 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…

Featured Forum Discussions

Too many BTU's. Too much horsepower?

Started by Steve in General Forum. Last reply by Eric Kjelshus on Saturday. 4 Replies

Stack/wind pressure and flow networks.

Started by Daniel James Grundy in Training. Last reply by Daniel James Grundy on Thursday. 5 Replies

BDT with vermiculite in hollow CMU walls?

Started by Brad Cook in General Forum. Last reply by John Nicholas on Thursday. 2 Replies

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Latest Activity

Mark Sackerson replied to angela stanzione's discussion Used Weatherization and auditing equipment for sale in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Angela, Do you have any blower door sets left? mark"
40 minutes ago
Mark Sackerson replied to Jeffrey Anthony's discussion Blower Door Kits in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Jeffrey, do you have any blower door kits left? mark msackerson@franzoso.com"
43 minutes ago
Mark Sackerson joined allen p tanner's group
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Energy Auditing Equipment for Sale, Trade or to Purchase

Discuss the pros and cons of the equipment you are interested in prior to purchase. Post equipment…See More
43 minutes ago
Profile IconMark Sackerson and Matt Ward joined Home Energy Pros
56 minutes ago
Quinn Korzeniecki's discussion was featured

Join BPI's New Professional Website Focus Group

Want to be part of the elite group of individuals that views the new BPI professional website…See More
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Quinn Korzeniecki added a discussion to the group Building Performance Institute (BPI)
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Join BPI's New Professional Website Focus Group

Want to be part of the elite group of individuals that views the new BPI professional website…See More
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Quinn Korzeniecki posted a discussion

Be Among the First to View BPI's New Website!

Want to be part of the elite group of individuals that views the new BPI professional website…See More
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Kent Mitchell replied to Rob Madden's discussion Energy auditing as a stand-alone business model...
"Swiftsure Energy has run as consultants, verifiers and raters for 8 years- we audit very few (about…"
16 hours ago

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