David Modrzejewski
  • Male
  • Crystal Lake, IL
  • United States
Share on Facebook Share on Facebook Share Twitter
  • Featured Blogs
  • Discussions
  • Events
  • Groups (6)
  • Photos
  • Photo Albums
  • Videos

David Modrzejewski's Friends

  • Jennifer Lawrence

David Modrzejewski's Groups

 

David Modrzejewski's Page

Latest Activity

David Modrzejewski joined Diane Chojnowski's group
Thumbnail

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
Thumbnail

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
Thumbnail

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
Thumbnail

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
Thumbnail

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
Thumbnail

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

Comment Wall

You need to be a member of Home Energy Pros to add comments!

Join Home Energy Pros

  • No comments yet!
 
 
 

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

Michael Dunseith posted photos
11 hours ago
Hal Skinner replied to Hal Skinner's discussion How much heat energy is lost through the floor of a house?
"II just remembered seeing a report by a federal adency, many years ago, that basically said …"
14 hours ago
Don Fitchett commented on Tom White's video
Thumbnail

Alliant Energy's PowerHouse TV: Sealing Leaky Ductwork

"Very educational. thanks for sharing Tom."
17 hours ago
Hal Skinner posted a discussion

How much heat energy is lost through the floor of a house?

I am asking this as I do not recall anyone speaking of any study to this end.  Many comments about…See More
17 hours ago

Mike Braun just added their location.
(via Member Map)

18 hours ago
Bud Poll replied to Bud Poll's discussion Another benefit from air sealing
"From my work in NY City many years ago, the critters I saw would never have fit through a quarter…"
22 hours ago
Barbara Smith replied to Bud Poll's discussion Another benefit from air sealing
"Eliminating quarter sized holes can impede rats from entering a building, in areas where rats tend…"
22 hours ago
Casey Murphy is now a member of Home Energy Pros
23 hours ago

© 2014   Created by Lawrence Berkeley National Laboratory.

Badges  |  Report an Issue  |  Terms of Service