Alexander Bell
  • Male
  • Opelika, AL
  • United States
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  • Dallas Gamble
  • B Eric Bell
  • Thom Phillips
  • Molly B.
  • Rob Howard
  • Mike Mongeon
  • Kevin Gobble
  • Fluke Thermal Imaging
  • Michael Stuart
  • Allison A. Bailes III

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Latest Activity

Alexander Bell replied to Jack Baikoff's discussion Just how much does adding air barrier to a knee wall insulation increase it's performance?
"Here is a chart from a presentation by Steve Easley.  I would like to see the data but this gives some insight to your question. "
Oct 17, 2013
Alexander Bell posted a photo


Phenix City, Alabama
Jun 11, 2013
Alexander Bell replied to Craig Bird's discussion Insulating a garage in hot dry climate?
"I think your first sentence of this post clarifies what you intended but did not say in the OP - insulating only the ceiling. I think the garage door is the first choice.  Second would be the ceiling and third the walls.  If this is an…"
Feb 3, 2012
Alexander Bell replied to Bob Blanchette's discussion Problem Room on North Side of House
"From looking at the pictures (inside and out) the likelihood is that this ceiling assembly is too shallow and has less (possibly R-19) while the rest of the building has R-30 or more.  Add to that the probability that the soffit venting is…"
Jan 20, 2012
Alexander Bell replied to Alan Meier's discussion Folk Labeling of energy controls - request for photos
"I have newly built house with a switch box (4g) served by two circuits (one is part of a 3 way).  I think it is lazy planning, or inexperienced installers, plus your code inspectors will never spend the amount of time at a house to actually…"
Sep 29, 2011
Alexander Bell replied to Alan Meier's discussion Folk Labeling of energy controls - request for photos
"Not sure where it came from ( perhaps), or that it is homemade, but the simplicity is great and I use it as an example to builders..."
Sep 29, 2011
Alexander Bell replied to Mark Bradley's discussion Does anyone have any experience with an Owens Corning product called "Energy Complete" ?
"This was a project that was supposed to be a demo, HQ project.  I think they made some mistakes and probably took on too much with little experience in EE building.  It falied the Thermal Bypass inspection for Energy Star and they did…"
Jun 10, 2011
Allison A. Bailes III and Alexander Bell are now friends
Jun 6, 2011
Alexander Bell replied to Joel Greenberg's discussion The Truth About Windows? in the group Weatherization
"If you look closely at the inputs for Manual J in Wrightsoft; exterior storm windows provide some benefit. Example: single glaze wood SHCG w/o storm 0.64 SHCG w/storm 0.56 U-val w/o storm 0.90 U-val w/storm 0.57   Example: double glaze…"
May 26, 2011
Alexander Bell joined Tom White's group


Share your concerns and successes as a weatherization professional, or information for this community.
May 26, 2011
Alexander Bell replied to Mark Bradley's discussion Does anyone have any experience with an Owens Corning product called "Energy Complete" ?
"I have seen it in use on one job and was under-whelmed by the actual installation.  The demo card shows a nice thick gasket-like application; what I observed was closet to paint, and left me doubting it would have the desired sealing between…"
May 19, 2011
Alexander Bell replied to John Poole's discussion Historic Windows: UV and Thermal Transfer in the group Historic Home
"Why no mention of interior storm windows.  They seem to be better than exterior units in many respects.  I have no hands on experience, but the info available on the web seems to make a compelling case.   Anybody with first hand…"
May 19, 2011
Alexander Bell joined John Poole's group

Historic Home

Historic and vintage homes are significant to our cultural heritage, yet often lack energy efficiency and comfort. Our mission is to identify key issues, solutions, and best practices when retrofitting much older homes.See More
May 19, 2011
Alexander Bell replied to Jerry Adlon's discussion IS ATTIC VENTING NECESSARY IN ST. LOUIS, MISSOURI?
"If I understand the situation, unless they added blocking between the roof trusses at the roof sheathing, the fiberglass insulation will slow the movement of the air, but certainly not stop it.  Unless the air-sealing has been done, it sounds…"
May 5, 2011
Alexander Bell replied to George M. Matthews's discussion Blowing smoke - into ducts to find leaks
"I have not found it to be very helpful and have tried on a number of occasions with a  theatrical fog machine.  If it is a big leak or at the air handler, then you can see some smoke.  If the leaks are at fittings and connections, by…"
May 5, 2011
Alexander Bell just added their location.
Apr 18, 2011

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Energy Vanguard
Professional Certification
HERS Rater; others
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Profile IconTodd Maxwell, Bob Lytle, Edward Burns and 3 more joined Home Energy Pros
4 hours ago
David Byrnes's blog post was featured

Top 6 things to watch out for when building a new home and how builders are still cutting corners with energy efficiency

Even though it seems like all the new home builders are touting how energy efficient their homes…See More
6 hours ago
Diane Chojnowski's discussion was featured

Incentives & financing options for home energy upgrades

DOE's has a useful database of incentives and financing options for home energy…See More
6 hours ago
Tom White's video was featured

Coping with Comfort Complaints: Top Causes, Investigation Methods, and Solutions

This one-hour webinar features Arlan Burdick and Andrew Poerschke talking about comfort complaints in well-built homes.
8 hours ago
Eric Kjelshus commented on Chris Laumer-Giddens's blog post Sparky Doubled the Air Leakage in this Home!
"What if after the building is sealed and tested.   The trades man would have to reseal all…"
20 hours ago
Colin Genge posted events
22 hours ago
David Downard replied to David Downard's discussion Blower Door for Sale in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Price is $1700. "
David Downard added a discussion to the group Energy Auditing Equipment for Sale, Trade or to Purchase

Blower Door for Sale

MINNEAPOLIS BLOWER DOOR Complete system with DG700 Like new, its been used about 6…See More

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