Greg Labbe
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  • Toronto, Ontario
  • Canada
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Greg Labbe's blog post was featured

A call to Builders and Architects: Does the Homeowner Know You’re a Blowerdoor Virgin?

When setting out to build an efficient house, the elephant in the room is air tightness. Industry is resisting mandated air tightness testing if thresholds are introduced meanwhile building codes are ratcheting up efficiency on all fronts except air tightness. Having debunked the myth that “a house needs to breath” its becoming painfully obvious to any building scientist that the lowest hanging fruit on the efficiency tree isn’t geothermal but simply producing a more air tight home. You'll have…See More
Apr 10
Greg Labbe posted a blog post

A call to Builders and Architects: Does the Homeowner Know You’re a Blowerdoor Virgin?

When setting out to build an efficient house, the elephant in the room is air tightness. Industry is resisting mandated air tightness testing if thresholds are introduced meanwhile building codes are ratcheting up efficiency on all fronts except air tightness. Having debunked the myth that “a house needs to breath” its becoming painfully obvious to any building scientist that the lowest hanging fruit on the efficiency tree isn’t geothermal but simply producing a more air tight home. You'll have…See More
Apr 9
Greg Labbe replied to Patrick Michaelyan's discussion Insulating the "walls" of a mansard-style roof.
"Ed, You put your finger on it: air seal floor cavity! The volume is triangular and the weight and force with dense pack will be borne by the soffit. I love cellulose, but may be best to open it up from below (or if re-roofing pull back the…"
Dec 21, 2013
Greg Labbe's video was featured

Bad potlight 2013

This Deep Energy Retrofit had spray foam installed in a 100 year old house. The foam was the air barrier and insulation, but like all good things if not inst...
Dec 19, 2013
Greg Labbe posted a video

Bad potlight 2013

This Deep Energy Retrofit had spray foam installed in a 100 year old house. The foam was the air barrier and insulation, but like all good things if not inst...
Dec 16, 2013
Greg Labbe replied to Patrick Michaelyan's discussion Insulating the "walls" of a mansard-style roof.
"Mr. Poll, I'd take your list for our climate and edit it down to: 4.  As always with ice dams, air sealing and insulation are the first concerns.  Once that is done, then venting can be addressed. 6. Air tightness test and IR can…"
Dec 12, 2013
Greg Labbe posted a status
"Call out! Who's Got a Homemade Balometer? Has anyone rigged up flow collars to blower door manometers with great success?"
Dec 6, 2013
Greg Labbe replied to Patrick Michaelyan's discussion Insulating the "walls" of a mansard-style roof.
"I wrote a piece on this some time back: http://www.bluegreengroup.ca/site/wp-content/uploads/2012/07/Gambrel-or-Mansard-Roofs-and-Ice-daming1.pdf Regards, Greg Labbe BlueGreen Group"
Dec 5, 2013
Greg Labbe commented on Greg Labbe's blog post Air Leakage Testing a New Off-Grid High Performance House
"Dennis, I didn't do the WUFI or the PH consulting on this project. Patrick Andres may be able to help you with your…"
Dec 2, 2013
Dennis Heidner commented on Greg Labbe's blog post Air Leakage Testing a New Off-Grid High Performance House
"What does WUFI show for the drying ability?   The heat pump is there for spring,summer and autumn cooling to (prevent over heating) correct?"
Nov 22, 2013
Greg Labbe's blog post was featured

Air Leakage Testing a New Off-Grid High Performance House

We had the great pleasure of air leakage testing a new off-grid, high performance house last week. It was the most air tight building we’d ever tested!Situated on a hill overlooking the sweep of the Saugeen River below.Builder Steven Dennison of Dennison Homes and building envelope consultant Patrick Andres, a Certified Passive House Consultant (CPHC) have…See More
Nov 21, 2013
Greg Labbe posted a blog post

Air Leakage Testing a New Off-Grid High Performance House

We had the great pleasure of air leakage testing a new off-grid, high performance house last week. It was the most air tight building we’d ever tested!Situated on a hill overlooking the sweep of the Saugeen River below.Builder Steven Dennison of Dennison Homes and building envelope consultant Patrick Andres, a Certified Passive House Consultant (CPHC) have…See More
Nov 12, 2013
Paul Raymer commented on Greg Labbe's blog post No Title
"Heat loss/gain for attached or tuck-under garages is a major problem.  But transfer of bad air is even more important in my mind.  A garage that is part of the house is like parking in the living room.  We put everything in the garage…"
Nov 1, 2013
Ed Minch commented on Greg Labbe's blog post No Title
"Comment by Ed Minch just now Delete CommentBottom line, if the Bonus Room can’t be designed out of the plans, then put it on a separate controlled zone, make sure it’s really well air sealed by testing it with a blower door…"
Nov 1, 2013
Greg Labbe's blog post was featured

Tucking a garage under the second floor is a common practice, but is it a GOOD one?

As the price of land edges up, the practice of tucking a garage under the second floor of a house is common practice, but is it good practice? The bedroom above the garage has earned the moniker of “The Bonus Room” as it tends to be the most troublesome room in the house with the most comfort complaints from home owners. Its common to tuck the double car garage into the face of the house…See More
Oct 31, 2013
R Higgins commented on Greg Labbe's blog post No Title
"Thanks Greg, three more things to add to my litney against foam "......very wet wood. Spray foam doesn’t stick to wet cold substrates well and when the wood dries it shrinks.....delaminating at the interface between foam and wood.…"
Oct 30, 2013

Profile Information

Company
BlueGreen Consulting Group Inc.
Professional Certification
CEA, BSc., CET
Professional Interests
Passive house buildings, energy consulting at large, residential comfort and ice dam diagnostics.
Website URL
http://www.bluegreengroup.ca
Blog URL
http://www.bluegreengroup.ca/blog/
Twitter ID
@bluegreengroup
LinkedIn Profile
ca.linkedin.com/pub/greg-labbé/21/849/872/

Greg Labbe's Videos

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Greg Labbe's Blog

A call to Builders and Architects: Does the Homeowner Know You’re a Blowerdoor Virgin?

When setting out to build an efficient house, the elephant in the room is air tightness. Industry is resisting mandated air tightness testing if thresholds are introduced meanwhile building codes are ratcheting up efficiency on all fronts except air tightness. Having debunked the myth that “a house needs to breath” its becoming painfully obvious to any building scientist that the lowest hanging fruit on the efficiency tree isn’t geothermal but simply producing a more air tight…

Continue

Posted on April 9, 2014 at 5:30am

Air Leakage Testing a New Off-Grid High Performance House

We had the great pleasure of air leakage testing a new off-grid, high performance house last week. It was the most air tight building we’d ever tested!

DSC_0524

Situated on a hill overlooking the sweep of the Saugeen River below.

Builder Steven…

Continue

Posted on November 12, 2013 at 11:30am — 2 Comments

Tucking a garage under the second floor is a common practice, but is it a GOOD one?

As the price of land edges up, the practice of tucking a garage under the second floor of a house is common practice, but is it good practice? The bedroom above the garage has earned the moniker of “The Bonus Room” as it tends to be the most troublesome room in the house with the most comfort complaints from home owners.

 …

Continue

Posted on October 28, 2013 at 3:30pm — 3 Comments

Spot the Design Weakness - For Northern Climates

If we had a dime for each weak building assembly detail we saw, we’d be rich. In our 14 years of diagnosing comfort problems for clients; the exposed floor ranks as one of the most stark discomfort features of a home, new or old.

Walking home from the coffee shop Sunday and came across the feature below. Have a look at the photo and see how many design errors you can pick out:…

Continue

Posted on October 22, 2013 at 7:49pm — 11 Comments

Comment Wall (3 comments)

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At 6:22pm on October 29, 2013, tedkidd said…

LOL.  Greg, sometimes you just have to take some chances...  The house is literally 1.3 blocks away from my house, so the risk was pretty small.  

This summer I pulled the disconnect on one of the AC units.  That risk is bigger as the thing is on the garage roof...

At 12:43pm on November 15, 2010, Diane Chojnowski said…
Hi Greg,

Welcome to Home Energy Pros!

We invite you to join or start a forum discussion, group or blog and to add your upcoming events, photos, and energy efficiency related videos.

Make sure to add your location to the Member Map! We'd like to see Canada represented!

Thanks,
Diane,
Home Energy Pros Moderator
At 8:02am on November 7, 2010, Carol A. Markell said…
Hi Greg
Welcome
Are you going to make to ACI in SF next year?
Carol
 
 
 

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