David Modrzejewski
  • Male
  • Crystal Lake, IL
  • United States
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Latest Activity

David Modrzejewski joined Diane Chojnowski's group
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Tools of the Trade

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 professional energy audit or verifying that construction has been done correctly.
Apr 14, 2011
David Modrzejewski joined James Sayers's group
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Marketing Energy Efficiency

Sharing ideas, tools and examples of promoting energy efficiency to consumersSee More
Apr 14, 2011
David Modrzejewski joined James Sayers's group
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Social Media and Energy Efficiency

Tell us how you reach customers, contractors and others using online social media.See More
Apr 14, 2011
David Modrzejewski joined Evan Mills's group
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Home Energy Ratings

Calculating them; visualizing them; explaining them; selling them .... there is a lot to discuss and debate hereSee More
Apr 14, 2011
David Modrzejewski joined Sean Lintow Sr's group
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Best Practices (Residential)

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 history?See More
Apr 14, 2011
David Modrzejewski joined Allison A. Bailes III's group
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HVAC

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 of home energy use, understanding HVAC is critical.See More
Apr 14, 2011
David Modrzejewski updated their profile photo
Jan 3, 2011
David Modrzejewski updated their profile
Jan 3, 2011
David Modrzejewski is now a member of Home Energy Pros
Nov 6, 2010

Profile Information

Company
The Energy Inspector
Professional Certification
BPI Building Analyst

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Home Energy Pros

Home Energy Pros was founded by the developers of Home Energy Saver Pro (sponsored by the U.S. Department of Energy,) and brought to you in partnership with Home Energy magazine.

Latest Activity

Chad Mcaulife posted photos
46 minutes ago
Bob Blanchette commented on Jeremy Begley's blog post The Home Envelope : Does it Really Matter in a Heat Loss Calculation
"Infiltration makes a HUGE difference. Look at the heat loads on a windy day vs. a calm one. On a…"
48 minutes ago
Bob Blanchette commented on Everblue's blog post Poor HVAC Installation Leads to Increased Energy Use
"That explains a LOT of why HVAC system continue to be sized by the same "rule of thumb"…"
1 hour ago
Profile IconChristian Asdal and Shashank Kirloskar joined Home Energy Pros
1 hour ago
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Mark posted events
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