Jim Gunshinan
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  • Berkeley, CA
  • United States
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Jim Gunshinan's Groups

Jim Gunshinan's Discussions

Should Homeowners with PV Get Paid Retail or Wholesale Prices for their Excess Electricity?
24 Replies

I've been doing some research, trying to get my arms around the problem of the longterm sustainability of renewable energy in the Unites States. Here's one big challenge as I see it.Many customers…Continue

Started this discussion. Last reply by Dennis Heidner Nov 23, 2013.

How Do We Make Energy Efficiency Sexy, or at Least Interesting?
2 Replies

I was reading my local newspaper…Continue

Started this discussion. Last reply by Dennis Heidner Aug 29, 2013.

HVAC and Home Performance, a Continuing Dialogue

ACCA Standards "Home Evaluation and Performance Improvement" Out for Public Review.The Air Conditioning Contractors of America Educational Institute (ACCA-EI) Standards Task Team (STT) announces an…Continue

Started Aug 12, 2013

Do you use a checklist in your work?
4 Replies

Checklists—The Professional's Best FriendContinue

Started this discussion. Last reply by Joe Romero Aug 14, 2013.

 

Jim Gunshinan's Page

Latest Activity

Nate Adams commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"Jim, Glad to help! OK, a touch of soap box. So long as we don't tell people EE is free and 'payback' is not the primary reason people do it, that's great. We REALLY need cheap financing to make EE work. I'm thrilled Matt is…"
2 hours ago
Jim Gunshinan commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"Thanks Nate for more good stuff to chew on—and nutritional! We may be running out to Home Depot in September, when it can get really hot in the Bay Area, for a couple of window units. I don't think modeling is useless either. I think in…"
yesterday
Tom Conlon commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"Jim,I just got around to re-reading your four-part series and I think this is a really interesting case study, especially for other dry-climate Californians who start out with bills in the same modest range as yours. I especially enjoyed your…"
yesterday
Nate Adams commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"$50 in health ain't much... not with my crappy high deductible plan. It buys half of a cold treatment. I'd want a lot more savings than that to give up humidity and IAQ control. In fact, I'm looking to move because I can't…"
yesterday
tedkidd commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"Yep, this thread has some good discussion. Back to dehumidification.  This may be counter-intuitive, but dehumidification CAN be a problem in dry climate.   For dry climate it's a problem not because you need it, it's a problem…"
yesterday
Jim Gunshinan commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"Thanks for the clarification Nate. If I had the ability to precisely measure what $50 of health might be than I could make the decision. Mostly what we depend on is educated guesses. (As opposed to wild-ass-guesses, or wags!) I think there may be…"
yesterday
Nate Adams commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"Jim, Just a clarification, it's not DEhumidification I'm worried about in your climate, it's humidification - adding moisture. It's a problem here in Cleveland in the winter, and likely year round for you. Your skin and throat…"
yesterday
Jim Gunshinan commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"Hi Nate, I'm glad this post has generated so much good discussion, since that is its main goal. Dehumidification is not a problem in our climate. We have good ventilation and made sure there are no cold spots in the house where condensation…"
Wednesday
Nate Adams commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"Jim, one thing that jumped out to me is how the duct sealing was largely paid for by rebates, yet you would like to abandon the duct system. That sounds like a poor rebate structure if you did it only to get a rebate, not for a better…"
Wednesday
Jim Gunshinan commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"To all, one thing I don't lack is advice from the experts! Thanks for the input, challenges, food for thought."
Tuesday
tedkidd commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"Jim, I'm glad you are open, that's great!  We all learn best when we are open! The answer to what is best for you will be highly dependent on your specific situation, but the answer is probably best answered by a Building Science pro…"
Tuesday
David Eakin commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"Jim, Well, as the editor of Home Energy you should already know that the order of remediation is top, bottom, middle; that air infiltration is more of a contributor to comfort issues than thermal loss; that heat radiates 360 degrees from hot to…"
Tuesday
Jim Gunshinan commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"Hi David, to answer one question, the crawlspace was covered with thick poly and the seams were taped but the space was not air-sealed and is vented to the outside. I don't worry about the air coming from the crawlspace since it is never very…"
Monday
David Eakin commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"Jim, Maybe a little more detail on the project is in order. You say that your crawlspace is now covered. Is this an enclosed/insulated crawlspace with a thick poly covering over the ground (taped seams and epoxy/mechanical wall fastening)? If so,…"
Monday
Jim Gunshinan commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"Ed, no problem, I caught your meaning. Ted, I made a judgement that a mini split would be the best system based on what I know about them so far, from reading about them, visiting homes with the systems, and talking with some HVAC folks I know. I am…"
Monday
tedkidd commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"That makes sense.   What are your criteria/metrics for determining what might be the "most efficient system for heating and cooling the house"?"
Monday

Profile Information

Company
Home Energy Magazine
Professional Interests
All things home performance; Discussing the interface between science and religion/spirituality
Website URL
http://www.homeenergy.org
Twitter ID
@JimGunshinan

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Jim Gunshinan's Blog

My Energy Upgrade California—The Numbers Are In

Here are the final numbers for my Energy Upgrade California home retrofit.

Table 1. Air…

Continue

Posted on July 10, 2014 at 11:30am — 26 Comments

Energy Upgrade California—Up Close and Personal Part 3

Here is the latest from the 10 Maple Lane Retrofit Project.

Met with Bill Stewart on Monday and signed an agreement for:

  • Wall insulation
  • Vapor barrier on crawlspace floor
  • Duct repair and some air sealing

I also asked them to move the filter to the return grill so…

Continue

Posted on May 21, 2014 at 2:54pm — 7 Comments

ACI National Home Performance Conference 2014 Highlights

As usual, the ACI National Home Performance Conference contained too many highlights to mention in one blog post. So I will share just a few.

Got up early on Tuesday and went with Tom White, Home Energy Publisher, to a rehab house in a neighborhood of…

Continue

Posted on May 2, 2014 at 2:00pm — 3 Comments

A Bit More on Energy Out West 2014

I'll be flying out to Detroit for the ACI National Home Performance Conference next Monday, but before get to Detroit and that great conference, I thought I'd share one more special moment from Energy Out West.

On Thursday afternoon last week, just after lunch, John Tooley, Anthony Cox,…

Continue

Posted on April 24, 2014 at 11:00am — 2 Comments

Comment Wall (2 comments)

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At 9:03am on June 14, 2013, Dan Antonioli said…

Jim. Yes, I still want to friend you and learn more about your work.

Dan

At 7:35pm on April 4, 2011, David Eggleton said…
Jim, where/how do you discuss "the interface between science and religion/spirituality?"  I'd like to drop in.
 
 
 

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Richard Beyer replied to Mike Kandel's discussion Our Homes Suck – And That's Why Our Kids Have Sinus Problems
"Don, Thank you for the praise! I only wish that some of these profiteers could answer my questions…"
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Richard Beyer replied to Mike Kandel's discussion Our Homes Suck – And That's Why Our Kids Have Sinus Problems
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Nate Adams commented on Jim Gunshinan's blog post My Energy Upgrade California—The Numbers Are In
"Jim, Glad to help! OK, a touch of soap box. So long as we don't tell people EE is free and…"
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"Bob, Good idea. I see that you are a window energy reduction expert. You might consider adding…"
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"Kurt, I would explain what energy/efficiency problem this device solves and explain the science the…"
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Ben Jacobs replied to Mike Kandel's discussion Our Homes Suck – And That's Why Our Kids Have Sinus Problems
"I agree that in many homes the indoor air sucks.  However, a lot of this problem is caused…"
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Kurt Shafer commented on Kurt Shafer's blog post What is your opinion about members promoting products here?
"Tom, thank you for your odd reference to a leaky duck. It is a bit off topic since I was not asking…"
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Small Businesses: Diversify with Infrared Thermography Services, Save Your Business, Save the Country...

HERS should all offer Infrared Thermography Services.It is all ways great advice for small…See More
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