Shawna Henderson
  • Halifax, Nova Scotia
  • Canada
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Shawna Henderson's Discussions

Exterior Insulation for Deep Energy Retrofits

Started this discussion. Last reply by Tim Dec 9, 2017. 28 Replies

Heya! I've been lurking for a while on the various formats that came together for the HEP Forum. Haven't posted/contributed for a while due to crazy busy schedule (that's good, right!?!)I'm working…Continue

Tags: DERs, cold, climate, NZE, insulation

High Density Foam -- Any Incidents of Cracking in Frame Walls as Studs Dry/Twist?

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

 

Shawna Henderson's Page

Latest Activity

Tim replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"Hey Shawna, Have you worked with thermal insulation coatings? They are normally a modified elastomeric coating with specific ceramic particles. They are normally a tighter formula so they restrict air and moisture movement, a semi-permeable rating.…"
Dec 9, 2017
Jim Baerg replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"I did 2 projects last year, both on houses where the siding was being replaced.  The first, in Portland, was on a house where the stucco had failed.  We dense packed the 2x4 walls w/ cellulose, then used 1.75" iso w/ rainscreen, then…"
Dec 8, 2017
Nate Adams replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"Hiram College TREE House http://energysmartohio.com/case_studies/1900-two-story-hiram-college-tree-house-deep-energy-retrofit/ 15,700 kWh actual usage, 2000 sf, 36,400 BTU/hr load calc, 962 cfm50 final blower door. Runs lots of resistance for…"
Dec 8, 2017
Ed Whitaker replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"Shawna,  I agree with Nate and Ted, as far as ROI is concerned it's hard to beat top, bottom, infiltration and then electrification. When you carefully look at heat loss, spending a lot of money on walls has a very limited gain for the…"
Dec 8, 2017
Shawna Henderson replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"Thanks Don!"
Dec 7, 2017
Shawna Henderson replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"Well, those are the questions I'm asking people who are doing the work. It's because I don't have a decent set of data points for questions 1 through 4 that I pushed this ask out there."
Dec 7, 2017
Shawna Henderson replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"Hold up there, Tedd. We're on the same team. And we're singing from the same hymn book. Best option for the client. That's the title, right? Move people off fossil fuels and onto renewables, Right? Tracking and monitoring to actually…"
Dec 7, 2017
tedkidd replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
""That's the fuel price bias that you need to acknowledge." "Try expensive electricity or oil as your fuel source. Return gets way better." You say we have fuel bias, then immediately show your own?  Shawna, our…"
Dec 7, 2017
Don Hynek replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"Shawna, We discussed this off-line, but here's a readily available in-progress report from a while ago... http://homeenergypros.org/forum/topics/superinsulation-retrofit-is-complete Field testing is in progress -- we got our first snow…"
Dec 7, 2017
Nate Adams replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"I have a bunch of questions: 1. Do you have modeled vs. actual use on many projects? 2. How do you sell these projects? How many buy them? 3. Are contractors good enough to do these at a high enough quality to avoid issues like air flowing behind…"
Dec 7, 2017
Shawna Henderson replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"I'll be working on a contract to do a study for Atlantic Canada shortly. The ask is not just about my region, tho. It's about what works/doesn't work, has/hasn't work. Finding out what the stumbling blocks are, finding out what…"
Dec 7, 2017
Nate Adams replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"Aha, I didn't realize this was for your province primarily. Fuel rates do move things around a lot. I'd love to see a few energy models from up there! PS Don't worry, I'll keep making blanket statements... =P If nothing else to…"
Dec 7, 2017
Shawna Henderson replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"I know that NYSERDA project fairly well! I spent a week or so w/Greg P after the project was completed, as part of a research study we were doing for our 'REBlock' DER program pilot. I think we're into 3rd gen details now to improve…"
Dec 7, 2017
Shawna Henderson replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"George Brown College has done some excellent research on outboard insulation on brick buildings. I know the folks in the program, just have to reach out to them to get the info (it's published somewhere, but their site is a difficult one to…"
Dec 7, 2017
Shawna Henderson replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"Climate change: Here in NS, we have +1kg CO-e/kW generated, ±60% of our electricity comes from oil and coal. With the line losses, it turns a heat pump with a COP of 2 into the equivalent of a 80% efficient oil boiler, and the site-based oil…"
Dec 7, 2017
Blake Reid replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"I don't know if you've heard from Jon on this, but I was at Snug Planet when it was involved in a NYSERDA study on DERs.  A few contractors, around the state, doing different treatments.  One did exterior spray foam, Snug did a…"
Dec 7, 2017

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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

Posted on March 17, 2015 at 11:38am 6 Comments

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…

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Sales funnels are funny shaped things

Posted on January 26, 2015 at 12:23pm 1 Comment

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…

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Drainage Planes and Rotting Buildings

Posted on January 16, 2015 at 12:00am 0 Comments

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)…

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Building Science Online Training Just Got More Affordable

Posted on January 13, 2015 at 8:30am 0 Comments

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…

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Comment Wall (2 comments)

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At 8:07pm on December 4, 2017, Thomas A. Peterson, MBA said…

Shawna,

My company, ISEEB (Institute for Super Energy Efficient Building), is set up to train constructors in all of the principle and techniques to do deep energy retrofits.  Check out   http://iseeb.us  >>.  I would very much like to make contact with you and see how much we can collaborate with each other.

I also believe that exterior retrofits are the only economical way to do DERs.

Thomas A. Peterson

Cell:  (207) 310-0030

E-mail:  tivasamoht@aol.com

At 11:21pm 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

 
 
 

Forum Discussions

LED's interfering with Garage Door Openers

Started by Bruce Navin in General Forum. Last reply by Liam Smith 4 hours ago. 14 Replies

Efficiency of furnace

Started by Jignesh in General Forum. Last reply by John Nicholas 14 hours ago. 13 Replies

Insulation Blower Recommendations?

Started by Jim Conlon in General Forum. Last reply by Brad Cook yesterday. 5 Replies

Best brands for furnace

Started by Jignesh in General Forum. Last reply by Eric Kjelshus yesterday. 2 Replies

Latest Activity

Liam Smith replied to Bruce Navin's discussion LED's interfering with Garage Door Openers
"Door openers operate with the remote control on radio frequencies, just like a remote-controlled…"
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John Nicholas replied to Jignesh's discussion Efficiency of furnace
"Any of the various energy modeling programs would give you a starting place. Model the ducts in…"
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John Nicholas replied to Jignesh's discussion Efficiency of furnace
"That is why gravity systems are much less popular then 50 years ago.   It could easily be…"
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Jim Baerg replied to Jignesh's discussion Efficiency of furnace
"This is a great discussion.  I'd like to ask a question about the distribution…"
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Brad Cook replied to Jim Conlon's discussion Insulation Blower Recommendations?
"Most rental machines will not put out the minimum required pressure for dense-packing. There are…"
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Brad Cook replied to Jim Conlon's discussion Insulation Blower Recommendations?
"We have been using the Intec Force II for almost 10 years. It only takes about 1 1/2 bags at a…"
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Eric Kjelshus replied to Jim Conlon's discussion Insulation Blower Recommendations?
"Most generator are more efficiency at 240 volt.   Its  about the total watts more…"
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Eric Kjelshus replied to Jignesh's discussion Best brands for furnace
"Its more about the install and air flow than the box brand,  Most brands about the same if you…"
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Eric Kjelshus replied to Jignesh's discussion Efficiency of furnace
"OK lets say you have a gravity air system with a 80% burn on heat exchanger with out the 8"…"
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John Nicholas replied to Jignesh's discussion Efficiency of furnace
"System Efficiency is great.  Not much use, if you don't intend to fix the various…"
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John Nicholas replied to Jignesh's discussion Efficiency of furnace
"Furnaces and all HVAC Equipment is rated by AHRI.  You can get the certification as to the…"
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Home Energy Magazine's blog post was featured

How We Turned Our House into a Giant Foam Box, Part I — Wall Insulation By Wen Lee

Chris Stratton and Wen Lee are a husband-and-wife team living in the Los Angeles area who are DIY…See More
Wednesday
Home Energy Magazine posted a blog post

How We Turned Our House into a Giant Foam Box, Part I — Wall Insulation By Wen Lee

Chris Stratton and Wen Lee are a husband-and-wife team living in the Los Angeles area who are DIY…See More
Wednesday
Chris Stratton replied to Chris Stratton's discussion Technical question about mini split heat pump line set maximum length
"Hi Chris, Thanks again for your help. Update: the system is now up and running. Chris"
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