Jim Gunshinan's Blog (67)

Allison Bailes—Common Problems with Cold Weather Ventilation

by Allison Bailes

When I woke up Saturday morning, the temperature outdoors was -40 degrees. The wind chill was -100 degrees! It was just unbelievably, impossibly, inhumanly cold…

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Added by Jim Gunshinan on January 22, 2018 at 1:30pm — 2 Comments

Using God Talk—or Not—to Help the Planet?

I am always impressed with the work of Susan Shelton and the Shelton Group. So an email message with the subject line from her office, “Age, religion & environmental messaging: what works?” immediately caught my attention.

In an Eco Pulse special report, “United We Understand,” the Shelton Group digs into their research on how best to reach an audience about environmental concerns. An associate of Shelton, Lea Ann Head,…

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Added by Jim Gunshinan on January 12, 2018 at 3:00pm — No Comments

By Kelly Vaughn: Rebuilding After a Hurricane, and the Next, and the Next...

Rebuilding After a Hurricane, and the Next, and the Next...

 

This year’s hurricane season is the most expensive on record, with $202.6 billion in damages according to Bloomberg. These storms across the Atlantic had devastating impacts on people’s lives and homes, on communities, and on infrastructure in the hardest-hit areas.

In fact, the damage…

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Added by Jim Gunshinan on January 11, 2018 at 11:30am — No Comments

Cool—and Warm—Clothing

“Why do you need to cool and heat the whole building? Why don’t you cool and heat individual people?” asked Yi Cui, professor of materials science and engineering at Stanford University.

Putting on or taking off articles of clothing works to keep a body cool or warm within a certain temperature range; outside that range we rely on heating systems and A/C to keep us comfortable. But what if one garment did both the heating and the cooling?

Cui’s colleague and postdoctoral fellow…

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Added by Jim Gunshinan on November 30, 2017 at 4:00pm — No Comments

New Home Builders Tackle Zero-Energy Home Building in Connecticut

Connecticut’s 2016 Zero Energy Challenge reinforces the growing interest in the zero-energy home building movement. In addition to increased participation among experienced homebuilders, the 2016 challenge had an influx of inexperienced zero-energy home builders trying their hand at zero-energy homebuilding for the first time, with two winning.

How did they do it?

Research, research, and more research

While…

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Added by Jim Gunshinan on October 26, 2017 at 2:30pm — 1 Comment

A Healthy Home and a Healthy Bottom Line

There has been a lot of interest of late in the weatherization and broader home performance community in putting a value on the health benefits of weatherization. We’ve come a long way in the last several years and have reached, I think, some strong consensus that the health benefits of weatherization and home performance retrofits are real and valuable. This means that making healthy housing a part of your business plan makes good sense.

E4TheFuture is a nonprofit organization…

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Added by Jim Gunshinan on December 5, 2016 at 12:00pm — 4 Comments

Forty Years of WAP—A Family Celebration

Sometimes it feels like Home Energy and the DOE Weatherization Assistance Program (WAP) grew up together, along with what was formerly known as ACI and is now the Home Performance Coalition (HPC) and some other energy efficiency advocates. The WAP program is celebrating four decades of air sealing, insulating, health home making and family supporting on National Weatherization Day on Sunday, October 30th.

That would make Home Energy WAP’s little brother or sister. We…

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Added by Jim Gunshinan on October 28, 2016 at 2:30pm — No Comments

The NASCSP Landscape

That’s the National Association for State Community Services Programs, which held it’s annual training conference September 16-18 in Sacramento. NASCSP serves the DOE WAP program, as well as other low-income programs through training and advocacy in Washington D.C.

I’ve been to several of these conferences over the 15 years I have worked at Home Energy. There are always changes, but this year I noticed a big change. A lot of the leadership that shepherded WAP through the ARRA…

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Added by Jim Gunshinan on September 21, 2015 at 6:30pm — 1 Comment

Storytelling Our Way to a Better Life



The poet Muriel Rukeyser once said something like this: The Universe is not made of atoms; it’s made of stories. I think that conferences are made of stories too, like the one I’m at this week, the National Energy and Utility…

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Added by Jim Gunshinan on June 23, 2015 at 5:00pm — 1 Comment

Unexpected Blessing

When I received an email from Larry Zarker of BPI, informing me that I had been inducted into the BPI Building Performance Hall of Fame, I thought it must be a big mistake. Then I looked at the list of previous inductees and was sure it was a mistake! I haven’t even done a blower door test all by…

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Added by Jim Gunshinan on May 27, 2015 at 4:30pm — 6 Comments

Highlights from the NASCSP Annual Training Conference, 2014

The National Association for State Community Services Programs (NASCSP) met in Raleigh, North Carolina, for its annual training conference. Here are some personal highlights:

  • Raleigh, North Carolina, is a beautiful town but hard to take in from the 6th floor of my hotel room. All I saw…
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Added by Jim Gunshinan on September 23, 2014 at 5:03pm — No Comments

My Energy Upgrade California—The Numbers Are In

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

Table 1. Air…

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Added by Jim Gunshinan on July 10, 2014 at 2:30pm — 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…

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Added by Jim Gunshinan on May 21, 2014 at 5:54pm — 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…

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Added by Jim Gunshinan on May 2, 2014 at 5:00pm — 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,…

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Added by Jim Gunshinan on April 24, 2014 at 2:00pm — 2 Comments

Energy OutWest 2014

David Hepinstall (right) and his colleague from the Association for Energy Affordability in New York City through their work provide a powerful antidote to cynicism. 
I was at the Energy OutWest Conference several years ago, but a memory still…
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Added by Jim Gunshinan on April 17, 2014 at 2:30pm — 4 Comments

Energy Upgrade California—Up Close and Personal Part 2

I am in San Diego for the Energy Out West conference (see photo), and I want to write about it, but while it is fresh in my mind I want to fill you in on my latest Energy Upgrade California experience first.

Before getting on a plane for San Diego, Bill Stewart of Stewart Heating and Air…

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Added by Jim Gunshinan on April 16, 2014 at 3:00pm — No Comments

Energy Upgrade California—Up Close and Personal



Our furnace is approaching 25 years old and we have no cooling capabilities, so my wife Michele and I are looking into buying some new equipment before the temperature climbs this summer. I am especially interested in installing a mini-split heat pump, which would allow us to get rid of the ductwork and…

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Added by Jim Gunshinan on April 7, 2014 at 5:00pm — 13 Comments

ARRA Keeps Working for You

Almost two years ago I posted a blog about the 2009 American Recovery and Reinvestment Act (ARRA); ARRA, or the “Stimulus Bill”, has gotten pilloried in the media as a colossal failure and waste of taxpayer dollars. But if you would take the time to do a little research, you would see that most of the coverage has been far from the truth.

Because of ARRA’s support for DOE’s Weatherization…

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Added by Jim Gunshinan on March 21, 2014 at 6:30pm — 13 Comments

The Passive House Revolution

An email came from Faith Morgan with a link to a documentary film called “Passive House Revolution,” produced by the Arthur Morgan Institute for Community Solutions in Yellow Springs, Ohio. It was a busy day, but I thought I could use a break from words, so I left the stack of unopened emails for a while and watched the film. I’m glad that I did.…

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Added by Jim Gunshinan on March 14, 2014 at 7:02pm — 13 Comments

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Efficiency of furnace

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Insulation Blower Recommendations?

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Best brands for furnace

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

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

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