Featured Blog Posts – February 2011 Archive (7)

Building Science Proven by the Bug Man



A buddy of mine, Dennis, that’s an exterminator called me the other day while I was standing in Home Depot.  “Jon, I’ve got a problem and I need some of your building science expertise.” The problem he was having was being caused by some granules he had put down to repel some flying squirrels.  The granules…

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Added by Jon LaMonte on February 21, 2011 at 9:02pm — 2 Comments

How the Heck Does a Heat Pump Get Heat from Cold?!

It's been cold out this winter, so I've been talking a lot about heat. Invariably when I talk to people about how heat pumps can keep your home warm in winter, they get a look of bewilderment on their faces and ask how that's possible. No one ever tells me that they're confused about how a…

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Added by Allison A. Bailes III on February 13, 2011 at 10:42pm — No Comments

Icing on the . . . Cake??



 

     R-49 attic insulation is recommended for this climate, and I spec R-60 for most attic floors because…

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Added by Ed Voytovich on February 12, 2011 at 11:51am — 1 Comment

ACI's Energy Upgrade California

ACI's Energy Upgrade California, held January 10-11 in Los Angeles, presented a pretty good picture of how the Energy Upgrade California program will roll out across California. Currently an investor-owned utility (IOU) pilot program, it offers modest rebates for whole house improvements. There are a variety of rules and regulations, and paperwork, and processes that were all laid out pretty clearly at the conference. In addition, the local municipalities talked about their related programs and… Continue

Added by Steve Mann on February 11, 2011 at 8:21pm — 3 Comments

Staging and Phasing Efficiency

A few weeks ago I was interviewed on the“Green, Better, Best” radio show. I was asked in advance to provide a "top ten” list of energy saving tips for the home. I've been asked this many times before, and I always feel like I’m being asked to discover the “easy” button. When it comes to energy generation and efficiency, there are no silver bullets that will take down the beast, but with good planning…

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Added by Paul Scheckel on February 11, 2011 at 9:30am — No Comments

New Label for Things Made from Wind Energy

I am composing this blog post on a computer that was likely assembled in a factory that runs on electricity made from coal. The aluminum for the case and other parts of the computer probably came from a smelter powered by natural gas. The electricity powering the computer here in California could come from a combination… Continue

Added by Jim Gunshinan on February 10, 2011 at 6:30pm — No Comments

Musings on Texas Rolling Blackouts

The recent incident of rolling blackouts that occurred in the Texas ERCOT power grid raises some interesting issues for home owners, residential energy professionals and others concerned about energy policy.  A recent article by…

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Added by Gary Kahanak on February 5, 2011 at 3:00pm — 8 Comments

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David Butler replied to David Butler's discussion How would you insulate this roof?
"Sean Lintow proposed rails and clips (re: first comment in this discussion), but in the context of…"
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Brad Cook replied to David Butler's discussion How would you insulate this roof?
"I missed where the suggestion for rails came in. The plywood would not need any rails. 4+ inches is…"
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David Butler replied to David Butler's discussion How would you insulate this roof?
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David Butler replied to David Butler's discussion How would you insulate this roof?
"If you insulate master bedroom and family room from below, you definitely need more R-value than…"
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David Butler replied to David Butler's discussion How would you insulate this roof?
"Brad, I was only talking about using EPS between the ridges, if necessary, to conform to bolts.…"
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Brad Cook replied to David Butler's discussion How would you insulate this roof?
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David Butler replied to David Butler's discussion How would you insulate this roof?
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