Armando Cobo
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  • Plano, TX
  • United States
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Blower door testing on multi bi-folds
14 Replies

Have anyone performed a blower door test on a new home that has a multi bi-fold door installed on an exterior wall? (As in NanaWall, Lanai or Sierra Pacific bi-folds). Is there any performance…Continue

Started this discussion. Last reply by Armando Cobo Apr 17, 2012.

Manual J Report
29 Replies

I have designed a 4920 sf house in Dallas with a sealed crawl space. The crawl space walls are concrete and a have 2x10 floor joist system on top of it. The crawl space walls are insulated with 1”…Continue

Started this discussion. Last reply by tedkidd Jan 14, 2012.

Green Project Verifiers
10 Replies

The City of Dallas is going to implement a program where Certified Verifiers (BPI & HERS) will be allowed to do plan reviews on green projects. I’m curious to know if other cities or…Continue

Started this discussion. Last reply by Armando Cobo Aug 25, 2011.

 

Armando Cobo's Page

Latest Activity

Armando Cobo replied to Chris Laumer-Giddens's discussion No More "Damn Architects!" - The Case for Integrated Design in the group Energy Efficient Design
"I agree with Robert and Chris about having control from start to finished makes it easier to build a good home; however, the great majority of homes in this country are built by production builders with a large team of employees and with builders…"
Jan 16
Armando Cobo joined Chris Laumer-Giddens's group
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Energy Efficient Design

Energy efficiency starts at the drafting table...How architects and designers can help buildings reach high-performance standards.See More
Jan 16
Armando Cobo commented on Christopher Morin's blog post A/C a Necessity in New England?
"Well. It all depends from which “spectacles” you look though… your Granny’s ice box or kerosene refrigerator was better than the cold cellar and curing meats of her elders… her Model A or 1932 roadster was better than…"
Jul 11, 2013
Armando Cobo commented on Home Energy Magazine's blog post Home Performance and HVAC Contractors: Recent Legislative Initiative In Texas
"Doug, Thanks for keeping us informed on this issue. I do think this is laughable, like the fox guarding the hen house. Almost all HVAC contractors do not design, install and commission residential systems because don’t know how or refuse to do…"
Jun 24, 2013
Armando Cobo replied to Greg La Vardera's discussion New Construction: Easing Builders into High Performance Construction
"Greg, These forums are for members to learn and exchange ideas, whether we agree or disagree. In my previous post I was just giving other readers information on where to read more about AF from highly qualified and unbiased resources by hundreds of…"
Jun 12, 2012
Armando Cobo replied to Greg La Vardera's discussion New Construction: Easing Builders into High Performance Construction
"Maybe other readers would be interested in reading over twenty years of great research and information about AF from hundreds of scientist at four national research labs, like PNLN, ORNL, NREL & LBNL, and from research teams like BSC, IBACOS,…"
Jun 12, 2012
Armando Cobo replied to Greg La Vardera's discussion New Construction: Easing Builders into High Performance Construction
"Greg, There is so much that I disagree with your AF blog, that it would take another thread to get into. I believe your view of AF is too simplistic, but it also takes good detailing and practice. I've designed a lot of homes with AF for…"
Jun 11, 2012
Armando Cobo replied to Greg La Vardera's discussion New Construction: Easing Builders into High Performance Construction
"Interesting framing method and I appreciate the effort to show the videos, however, I have differences of opinion with Mr. La Vardera on a few points: 1. Advanced Framing is not just a top plate and in-line framing only issues, but also designing…"
Jun 11, 2012
Armando Cobo commented on Macie Melendez's blog post The Google Earth of IR Images—Q&A With Storm Duncan
"Interesting technology development and it could be a great improvement for our business, but the skeptic in me asks if they have validated or compare their results of their program with “old fashion” independent energy audits. Just…"
Jun 7, 2012
Armando Cobo replied to Jennifer Rupnow's discussion Crawlspace Vapor Barrier: Install Correction and Future Guidance in the group Best Practices (Residential)
"John, Drying is the whole idea... with a closed cell it'll never get a chance to dry out and it'll rot; or maybe we need to agree to disagree on the building science of it."
May 17, 2012
Armando Cobo replied to Jennifer Rupnow's discussion Crawlspace Vapor Barrier: Install Correction and Future Guidance in the group Best Practices (Residential)
"On the contrary, if there is any wicking through the concrete or any moisture leaks on the rim joist, the open cell will allow any wood and the wall assembly to dry."
May 16, 2012
Armando Cobo replied to Jennifer Rupnow's discussion Crawlspace Vapor Barrier: Install Correction and Future Guidance in the group Best Practices (Residential)
"Sorry, I should have said: open cell foam on the rim of the floor joist."
May 16, 2012
Armando Cobo replied to Jennifer Rupnow's discussion Crawlspace Vapor Barrier: Install Correction and Future Guidance in the group Best Practices (Residential)
"My experience with sealed, conditioned crawl spaces, you need to have a 20 mil poly-reinforced liner, with 0 perm rating, sealed with approved tape or mastic on the joints and to the wall. Good liners have an antimicrobial additive that will not…"
May 16, 2012
Armando Cobo replied to Armando Cobo's discussion Blower door testing on multi bi-folds
"You are so right David. It would be nice if their testing is done under the same realistic conditions as their products are tested in real world... that maybe too much to ask. I'll keep waiting on a rater's test one of these days."
Apr 17, 2012
David Meiland replied to Armando Cobo's discussion Blower door testing on multi bi-folds
"I assume they're referring to an ASTM E283 test, although I could be completely wrong... and as far as I know, that test uses a number of different test pressures and conditions, it's not a simple -50pa blower door test. BUT... if that…"
Apr 17, 2012
Armando Cobo replied to Armando Cobo's discussion Blower door testing on multi bi-folds
"Here is the only reply I've had from any manufacturer: A Regional Manager for Sierra Pacific Windows said: “We do not have the report yet, but here is the data from the test lab, for our bi-fold doors. This was forwarded to me by one of…"
Apr 16, 2012

Profile Information

Company
Armando Cobo, Designer
Professional Interests
Building science, high performing and healthy home design, teaching.
Website URL
http://www.CoboDesigner.com

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At 11:34am on August 22, 2011, Diane Chojnowski said…

Hi Armando,

Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!


Thanks!
Diane, HEP Moderator

 
 
 

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

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