Doug Krahl
  • Algonquin, IL
  • United States
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Doug Krahl's Page

Latest Activity

Doug Krahl replied to Mike Hartnett's discussion cooling vests
"Phase changing cooling vest work great, my weatherization crews wears them all the time. They work like ice packs but at 60degrees. Cool to the body but not ice cold. We keep a cooler of ice water and a 2nd cooling packs in the trucks. They last…"
May 17, 2015
Doug Krahl commented on Diane Chojnowski's group Hall of Shame
" Oops they must have run out of disposable foam can from the big box stores. Let along blower door for conformation of air seal or CAZ test."
Mar 31, 2013
Doug Krahl commented on Diane Chojnowski's group Hall of Shame
"Client had a window/weatherization company do a FREE energy audit with only a laser thermometer in their toolbox. They promised a 50% reduction in energy savings with this type of air sealing in rim joist. Did nothing with the attic or address the…"
Mar 31, 2013
Doug Krahl replied to Judi Lyall's discussion Bonus room above garage in the group Building Performance Institute (BPI)
"Air seal duct system if excisable will boost cfm/btu's. Caution with booster fans that sit on registers I've done flow hood testing and have seen a reduction in cfm's not including wasted energy/money"
Apr 21, 2011
Doug Krahl joined Diane Chojnowski's group

Hall of Shame

In this group, members share an array of images from the field, showing the kinds of issues encountered by home performance professionals in real homes. Each tells a story of how hidden (but fixable) problems in homes can cause high energy bills.
Nov 13, 2010
Doug Krahl joined Michael Stuart's group


This group is dedicated to knowledge sharing and discussion of infrared thermography for building sciences and energy applications.See More
Nov 13, 2010
Doug Krahl joined Leslie McDowell, BPI's group

Building Performance Institute (BPI)

BPI is the nation's premier standards development, quality assurance and credentialing organization for residential energy efficiency retrofit work.See More
Nov 13, 2010
Doug Krahl updated their profile photo
Nov 13, 2010
Doug Krahl joined Sean Lintow Sr's group

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
Nov 13, 2010
Doug Krahl is now a member of Home Energy Pros
Nov 4, 2010

Profile Information

American Temperature Control
Professional Certification
Professional Interests
Home Performance
Website URL
Facebook Page
American Temperature Control

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Latest Activity

Benny hani replied to Benny hani's discussion Manual J online
"Thanks Bob"
2 hours ago
Benny hani replied to Benny hani's discussion Manual J online
"Thank you Isaac"
2 hours ago
Bob Blanchette commented on Amber Vignieri's blog post Even with Polar Vortex, Hourly Pricing Participants Saved
"Looks like the days of paying a fixed amount per KWh are rapidly coming to an end. Many utilities…"
3 hours ago
Bob Blanchette replied to Benny hani's discussion Manual J online
"Be sure the size that you ACCURATELY calculate actually gets installed. Often…"
4 hours ago
Bob Blanchette replied to Sean Lintow Sr's discussion Water Saver or Gimmick? in the group Best Practices (Residential)
"The problem is these devices NEVER pay for themselves. Water is cheap, about $3 per 1,000 gallons…"
4 hours ago
Bud Poll replied to Rob Madden's discussion Blower Door Testing on Energy Star v3 home
"Where was the blower set up, front door, other?  Was if located in an unobstructed area, not a…"
16 hours ago
David N. Armington liked John Poole's discussion Two Part Epoxy and Repair of Structural Wood
David N. Armington joined John Poole's group

Historic Home

Historic and vintage homes are significant to our cultural heritage, yet often lack energy…See More

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