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.  Home Energy Pros is sponsored by the Better Buildings Residential Network.

Latest Activity

tedkidd replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"Bob, here is where our perspectives diverge. I think people should switch to electric because they…"
5 hours ago
tedkidd replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"Here our thinking falls out of alignment. Going to electric is default for me. People can't…"
5 hours ago
Bob Blanchette replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"If you are going to stay with gas service, might as well keep the gas water heater. Switching gas…"
6 hours ago
tedkidd replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"8 people, sometimes under 10 therms. Just not enough energy used heating water to get obsessive…"
6 hours ago
Eric Kjelshus replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"Biggest is to keep the CO  or other gas down in building  "
7 hours ago
Bob Blanchette replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"Look at your SUMMER gas bill where water heating accounts for most of your gas use. 10-15 therms…"
7 hours ago
Bob Blanchette replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"The marathon fails miserably in operating costs when compared to an ordinary gas water heater.. NG…"
7 hours ago
Richard C. MacCrea replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"Most of the posts here are far too narrow in scope. To make the best decision you need to…"
22 hours ago

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