Shawna Henderson
  • Halifax, Nova Scotia
  • Canada
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High Density Foam -- Any Incidents of Cracking in Frame Walls as Studs Dry/Twist?
3 Replies

Just had a convo with a cold climate builder who said he has had concerns about the viability of the continuity of the air/vapour barrier created by using high-density foam in frame walls where…Continue

Started this discussion. Last reply by Richard Beyer Jul 31, 2014.

 

Shawna Henderson's Page

Latest Activity

Rick Causo commented on Shawna Henderson's blog post Drainwater Heat Recovery Units & Water Efficiency
"There have been tests on insulated vs. non-insulated, and for the cost of suitable covers, any additional efficiency is minimal. There is a live test of a residential application at http://96.88.64.6/. In that application, the DWHR unit is in a…"
Apr 2
tedkidd commented on Shawna Henderson's blog post Drainwater Heat Recovery Units & Water Efficiency
"Those things are cool Shawna.  Eric, really great thinking! That's likely a fantastic application.  Susan, it could be argued that the whole plumbing stack be insulated. After all, the inside of the stack is outdoors. Check one out…"
Apr 2
Susan E. Buchan commented on Shawna Henderson's blog post Drainwater Heat Recovery Units & Water Efficiency
"Makes sense, Shawna. Thanks"
Mar 27
Shawna Henderson commented on Shawna Henderson's blog post Drainwater Heat Recovery Units & Water Efficiency
"Susan, I'm not sure that insulation on the unit would be of great benefit, as the drainwater is an instantaneous event, not a constant state. Some manufacturers' suggest that the unit be insulated if it is in a part of the house that is…"
Mar 27
Susan E. Buchan commented on Shawna Henderson's blog post Drainwater Heat Recovery Units & Water Efficiency
"Good points all, Shawna, Whenever I see these (installed) there is not surrounding insulation....is that just a fluke or am I missing something?  I think it's time for that study on DHW use as it (theoretically) increases with…"
Mar 27
Eric Kjelshus commented on Shawna Henderson's blog post Drainwater Heat Recovery Units & Water Efficiency
"The real big energy saving with waste heat DWHR are from dishwasher  and shower.   If you take a bath no big saving.   Take a restaurant with a high end dishwasher - 160' water going into the waste drain - 394 gals a hour and…"
Mar 19
Shawna Henderson's blog post was featured

Drainwater Heat Recovery Units & Water Efficiency

Reblog, originally posted on www.bluehouseenergy.com 16 Feb 2015Hot water distribution efficiency is now included in HERS ratings, under an amendment to ANSI/RESNET Standard 301-2014. This is a Good Thing. To date, all of our efforts to represent, and then minimize, hot water usage have…See More
Mar 17
Shawna Henderson posted a status
"Pay What You Want for Online #BuildingScience Basics Course. Good for new recruits/easy BPI CEUs. DM for deets."
Mar 17
Shawna Henderson posted a blog post

Drainwater Heat Recovery Units & Water Efficiency

Reblog, originally posted on www.bluehouseenergy.com 16 Feb 2015Hot water distribution efficiency is now included in HERS ratings, under an amendment to ANSI/RESNET Standard 301-2014. This is a Good Thing. To date, all of our efforts to represent, and then minimize, hot water usage have…See More
Mar 17
Shawna Henderson posted an event

Building Science Basics Online at Wherever you choose

March 17, 2015 to March 20, 2015
PAY WHAT YOU WANT: Building Science Basics online. $195 value. Good for 4.5 BPI CEUs. Happy St. Paddy's day! The prospect of Guinness for dinner and yet another whomping big snow storm has made me giddy out here on the East Coast.PM me with your offer and I'll send you a purchase code. The offer is good until the end of business, Friday, 20 March 2015. Pass the Guinness, please.See More
Mar 17
Shawna Henderson posted a status
"New Blog Post @HomeEnergyMag Why I like Dumb, Do-Nothing Houses http://shar.es/1WSOIX"
Mar 4
tedkidd commented on Shawna Henderson's blog post Sales funnels are funny shaped things
"Nice Venn Diagram. Product sales vs Consultative Solutions sales. We like the Sandler Selling System. For those interested in a light intro check out his book; "You Can't Teach a Kid to Ride A Bike At a Seminar"."
Jan 29
Shawna Henderson's blog post was featured

Sales funnels are funny shaped things

One challenge seems to be at the forefront of a lot of the discussions I'm having with colleagues and associates these last few weeks is sales. Closing sales. Making the sale. Getting some traction...getting any movement at all...Mark Mitchell is a sales and marketing consultant for the building materials industry who writes a good blog. I have been reading Mark's blog for a little while now, diving into the archives and really finding…See More
Jan 29
Shawna Henderson posted a blog post

Sales funnels are funny shaped things

One challenge seems to be at the forefront of a lot of the discussions I'm having with colleagues and associates these last few weeks is sales. Closing sales. Making the sale. Getting some traction...getting any movement at all...Mark Mitchell is a sales and marketing consultant for the building materials industry who writes a good blog. I have been reading Mark's blog for a little while now, diving into the archives and really finding…See More
Jan 26
Shawna Henderson posted a status
"Retweeted Blue House Energy (@BlueHseNRG): Introducing our new partner: Green Home Institute: http://t.co/ptRE1Y3qeE"
Jan 23
Shawna Henderson's blog post was featured

Drainage Planes and Rotting Buildings

We had some serious problems with rotting in buildings that were constructed in the period 1980 and 2000s. ‘Leaky Condo Crisis’ reached fever pitch in Vancouver, BC and surrounding region (excellent Wikipedia entry details the problems, the situation and the fallout here.In a nutshell, SoCal dry-hot climate details (no rainscreen, no overhangs) that look so…See More
Jan 21

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Blue House Energy
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Shawna Henderson

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Shawna Henderson's Blog

Drainwater Heat Recovery Units & Water Efficiency

Reblog, originally posted on www.bluehouseenergy.com 16 Feb 2015

Hot water distribution efficiency is now included in HERS ratings, under an amendment to ANSI/RESNET Standard 301-2014. This is a Good Thing. To date, all of our efforts to represent, and then…

Continue

Posted on March 17, 2015 at 8:38am — 6 Comments

Sales funnels are funny shaped things

One challenge seems to be at the forefront of a lot of the discussions I'm having with colleagues and associates these last few weeks is sales. Closing sales. Making the sale. Getting some traction...getting any movement at all...

Mark Mitchell is a sales and marketing consultant for the building materials industry who writes a good blog. I have been reading Mark's blog for a little while now, diving into the archives…

Continue

Posted on January 26, 2015 at 9:23am — 1 Comment

Drainage Planes and Rotting Buildings

We had some serious problems with rotting in buildings that were constructed in the period 1980 and 2000s. ‘Leaky Condo Crisis’ reached fever pitch in Vancouver, BC and surrounding region (excellent Wikipedia entry details the problems, the situation and the fallout here.

In a nutshell, SoCal dry-hot climate details (no rainscreen, no overhangs)…

Continue

Posted on January 15, 2015 at 9:00pm

Building Science Online Training Just Got More Affordable

Hey 2015! Here at Blue House Energy, we've a big thanks to everyone who took our Building Science Basics online course in 2014. We've been praised us to the skies <blush> for the quality of our work. We want to give more folks access to affordable, on-demand training. So, our Good Thing just became a Great Deal: our course fees are cut in half!

Register here.



If you took Building Science…

Continue

Posted on January 13, 2015 at 5:30am

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At 8:21pm on February 17, 2014, Diane Chojnowski said…

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!

Don't forget to add your profile photo and be sure to put your location on our Member Map!


Thanks!
Diane, HEP Moderator

 
 
 

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Aeroseal Machine for Sale

Hello All, We have an Aeroseal SmartSeal system (w/ compressor and plenty of leftover…See More
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Rob Buchanan commented on Jose Macho's blog post Why Don't Homeowners Spend Money on Energy Saving Upgrades??? Blame "Cognitive Biases"
"I think this is an interesting comparison, but I would also want to know whether similar surveys…"
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Bob Blanchette commented on Jose Macho's blog post Why Don't Homeowners Spend Money on Energy Saving Upgrades??? Blame "Cognitive Biases"
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