David Willson
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  • Sebastopol, CA
  • United States
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David Willson's blog post was featured

Willowside Rd., Day 14

John and Jane Doe's report is basically written. I have a template that I use that has been slowly built and improved over the past projects. It's a fine start but still requires a fair amount of custom writing, since each house has enough unique issues that need to be addressed.  There's report software out there such as Recurve's, EAI, or BizEE, but none have that personal touch that comes from a written report.  So here's some items from the report:Target Infiltration: 0.25 ACHn (1962 cfm50,…See More
May 3, 2011
David Willson commented on David Willson's blog post Willowside Rd., Day 14
"Tim, I didn't do a zone pressure test on the attic or the crawlspace with respect to the interior because both are well vented to the outside.  My personal approach is to always air seal the crawlspace from the bottom as thoroughly as…"
May 2, 2011
David Willson commented on David Willson's blog post Willowside Rd., Day 14
"William,  thanks for the suggestion.  Here's what I'm looking at right now. I'm meeting with a spray foam company at the site soon.  He says he can spray 2 inches of closed cell on the bottom of the subfloor with only…"
May 2, 2011
William H Nickerson commented on David Willson's blog post Willowside Rd., Day 14
"Seal the crawl space walls,vents and all.Foam the seams at the joist bays fillwith 6" filber glass vaper wap and heck with the termite guys.Vaper 6mil on the ground and let it roll.Spend your time where your time can be spent."
Apr 28, 2011
Tim Swinkels commented on David Willson's blog post Willowside Rd., Day 14
"How do you determine where you will be able to achive the infiltration reduction. Do you use Zone Pressure Diagnostics (add a hole method) on the attic to get an idea of the leakage from the attic or any other zone?"
Apr 28, 2011
David Willson posted blog posts
Apr 26, 2011
David Willson commented on Ed Voytovich's blog post ACCA Existing Residential Building Improvement Standard: Some Thoughts
"Yes, an excellent question, and a puzzlement worth talking about, Ed.  Something you allude to without really driving home is that it is your experience and time in the field that allows you to believe in yourself as someone qualified to do…"
Apr 26, 2011
David Willson was featured
Apr 25, 2011
David Willson posted blog posts
Apr 24, 2011
David Willson's blog post was featured

Willowside Rd.

I have an idea: I'm going to take the job that just came in today and blog it from beginning to end, Day 1 til Day X, every step of the way. Initial call, initial visit, second visit & audit, 3rd visit & report delivery, on through contract phase, our local PACE program called SCEIP - Sonoma County Energy Independence Program - approval, Energy Upgrade California approval, permitting, doing the work, final approvals, disbursement and final check. I plan on giving details. What worked,…See More
Apr 23, 2011
David Willson posted blog posts
Apr 22, 2011
David Willson updated their profile
Apr 21, 2011
David Willson posted a blog post

Willowside Rd.

I have an idea: I'm going to take the job that just came in today and blog it from beginning to end, Day 1 til Day X, every step of the way. Initial call, initial visit, second visit & audit, 3rd visit & report delivery, on through contract phase, our local PACE program called SCEIP - Sonoma County Energy Independence Program - approval, Energy Upgrade California approval, permitting, doing the work, final approvals, disbursement and final check. I plan on giving details. What worked,…See More
Apr 20, 2011
David Willson updated their profile photo
Apr 20, 2011
David Willson joined Leslie McDowell, BPI's group
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Building Performance Institute (BPI)

BPI is the nation's premier standards development, quality assurance and credentialing organization for residential energy efficiency retrofit work.See More
Apr 6, 2011
David Willson joined Tom White's group
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Energy Upgrade California

This is a group for contractors and other pros participating in the Energy Upgrade California energy efficiency program launched 3/1/11.See More
Apr 6, 2011

Profile Information

Company
Advanced Home Performance
Professional Certification
California Contractors License: B725562, HERS II: CC 2005423, BPI: 5004966
Website URL
http://Advanced-HP.com
Facebook Page
http://www.facebook.com/pages/Advanced-Home-Performance/33482466021...
LinkedIn Profile
http://www.linkedin.com/in/davidwi

David Willson's Blog

Willowside Rd., Day 14

John and Jane Doe's report is basically written. I have a template that I use that has been slowly built and improved over the past projects. It's a fine start but still requires a fair amount of custom writing, since each house has enough unique issues that need to be addressed.  There's report software out there such as Recurve's, EAI, or BizEE, but none have that personal touch that comes from a written report.  So here's some items from the report:





Target Infiltration: 0.25… Continue

Posted on April 26, 2011 at 8:30pm — 4 Comments

Willowside Rd., Day 10, part 2

OK, I'm back from getting the dimensions of Doe's house, enter all the information into EnergyPro, and do an initial calculation. It looks like the house as it is has a HERS of 147, which means that the model predicts that it will use about one and a half times as much energy as a 'reference home', which is this exact same home if it was built to today's energy code requirements and has by definition a HERS of 100. 147 is not too bad but way above what we want. Let's see if we can get it below… Continue

Posted on April 25, 2011 at 8:30pm

Willowside Rd., Day 10

Well, it's taking a bit longer to get to John Doe's report than I'd expected and I've one molar less than a few days ago and a big hole in my jaw.  But, here we are.



I use EnergyPro because I learned it some years ago and I'm familiar with it. Plus, it's the one that's accepted by EUC (Energy Upgrade California), which I plan on applying for this project. Looking over the audit form, everything looks good. We should be able to easily improve Doe's house enough to get a couple of… Continue

Posted on April 24, 2011 at 8:30pm

Willowside Rd., Day 7

Note: the following is not a comprehensive listing of all the details involved in a full audit.  It's meant to be a general description of the process so please don't think that you can read this and do one yourself.  Your and the homeowners' safety requires a full Building Performance training, at a minimum.

 



John and Jane are delightful. Pretty… Continue

Posted on April 23, 2011 at 8:30pm

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