Passive-solar has been known to work well but certain things about our architecture fail the thermodynamic efficiency test and there are reasons why.
First is heat-transfer through conduction, the wood, drywall, sheathing all having rather high heat-transfer coefficients. Next is convection from a heat-riser which takes the warmth of the floor and moves it to the ceiling.
Until these are dealt with they cost a lot of energy, if one is trying to not require external heating for…Continue
Added by Tom Mallard on December 21, 2011 at 1:00pm — No Comments
Probably the usual thought in the HVAC industry by technicians is that the units need to be made bigger for comfort. Perhaps this comes from the idea of coming home from work, and needing a set back thermostat to do its magic, and get the home comfortable fast,…Continue
If someone told me they could improve the efficiency of my computer so that it operates quicker, at no extra cost to me, I can’t imagine I’d turn them away. Yet, the energy efficiency industry offers a similar option for homes and businesses and at least so far, consumers aren’t flocking to the programs.
On-bill financing gives customers the ability to finance energy efficiency improvements made to their homes and businesses at no upfront cost. Customers pay for the insulation,…Continue
Added by Laura Reedy Stukel on December 9, 2011 at 12:10pm — No Comments
Electric utilities operated under a rarified business model for decades. Their customers were captive so they rarely had to think about what motivated them to buy. New government energy efficiency mandates have changed that, and done so with an ironic twist. Now utilities must figure how to get their customers to refrain from buying.
It’s not easy persuading people to stop using something they like as much as electricity. But behavioral science is coming to the rescue – or at least…Continue
One morning I realized that I could cut down my showering time by at least one minute if I could combine my shampooing and conditioning into one step. Inspired, I went to a high-end grocery store that I will call, “Whole Paycheck” looking for what has been an illusive item for me—a combination shampoo and conditioner that really works; someone stacking items in the hair-care section told me that no such thing exists.
It’s a tough invention, since shampoo and conditioner are supposed…Continue
Added by Jim Gunshinan on December 14, 2011 at 3:11pm — No Comments
Are Energy Efficiency programs we are participating in another well-meant hustle, or is there lasting prosperity to be had in our industry? Beyond anecdotal reports, ARRA-funded enthusiasm for excellent Energy Efficiency (EE) programs like Energy Upgrade California and Evergreen, San Jose’s “Project 5002,” are EE endeavors really…Continue
Added by Nichole Edraos on December 2, 2011 at 2:55pm — No Comments
By Guest Blogger Kara Saul Rinaldi
More than half of the states in the nation have created programs to increase the energy efficiency of homes through a comprehensive approach that looks at all opportunities to save energy, from insulation to upgrading heating and cooling systems. When taxpayer and ratepayer dollars are used, it is essential that these programs are reviewed with a cost-effectiveness test that provides policymakers with adequate knowledge about the programs’…
Added by Elisa Wood on December 4, 2011 at 3:24pm — No Comments
We all know what humidity is - it is the cause of the mold on the ceiling in the bathroom. Humidity is what happens to the bathroom mirror during a shower. Humidity is why we have an exhaust fan in the ceiling of the bathroom. Humidity is why a hot summers day in …Continue
This time two weeks ago I was in Anaheim, California, at the National Association of Realtors’ Annual Conference, themed “Seize the Day“.
I am still struck by the bigness of it all. Not just the sheer numbers (over 20,000 of us!), but by the strength of the passion and the vision. Yet I am still wondering, are we delivering what future generations of home owners need…Continue
by Don Ames, www.detectenergy.com
Sitting in a meeting the other day, I was listening to a discussion on where to put half-a-million dollars worth of solar power panels. The discussion considered placing panels on roofs, on picnic shelters, and carports - it's not easy trying to find a place for a bunch of solar panels. After all, there are things to keep…Continue
This is no ordinary course room.* This is the house about to be retrofitted. We just got through the day of reasoning on the background as to why we install AC in…
Added by Christopher Cadwell on November 22, 2011 at 6:30am — No Comments
The following appeared on my blog Mapawatt and is in response to the "free energy plans" that have infiltrated Google and Facebook advertisements. I'm afraid a large number of people get suckered into buying these and are left with junk.
It still amazes me that with all our posts dedicated to trying to help homeowners save energy, our most popular posts are on free energy scams (mainly…Continue
Consumers will soon face new decisions when purchasing light bulbs, and many don't even know it yet. Beginning January 1, 2012, lighting manufacturers will no longer be producing the popular 100-watt incandescent light bulb. For professionals in the energy efficiency industry, this has been common knowledge since the passage of the Energy Independence and Security Act of 2007. Although many consumers have been slow to understand the pending changes, awareness is trending upward, according to…Continue
Added by Adam Flowers on November 22, 2011 at 5:59pm — No Comments
The National Association of Realtors’ annual Profile of Home Buyers/Sellers is out. The 2011 results are impressive not because of anything new, but because of consistent results about homebuyer interest in…Continue
Added by Laura Reedy Stukel on November 21, 2011 at 8:30am — No Comments
Attending a week long class where veteran trainer Rick Chitwood is moderator has been entertaining and joyful. In the class which is inside a house that is being retrofit completely we are now designing and installing a super efficient HVAC system.…
If you don't want to read the whole article, at least go to the bottom of the page and watch the screen cast. Take a look at some real effective garage door insulation. No, I didn't make this up.…
I am NOT a blogger and this is my first post (could be my last).
A very good friemd mine who lives in Chicago has an "urban Rehabber program" wher he teaches newbies and thse with little experience on how to become more profitable in the Rehab sector. As an Energy advocate archiect, I get his posts.
Here is one about MYTHS I thought some of you may be interested in (Just the messenger not the author)
By Guest Blogger Stephen L. Cowell
A recent article in Newsweek, “Obama’s Big Green Mess,”describes what can happen when contractors are “unfamiliar with the nuances of specialized weatherization work.” The fact is, installing furnaces that exhaust poisonous fumes, putting in…Continue
Sean Smith was the man in the middle. – a key figure with a foot in both worlds of business and “green.”
A high-end general contractor, he built two LEED-certified homes in the Washington Park neighborhood of Denver in 2009. At an educational session he hosted there, the U.S. Green Building Council approached him to serve on a committee. “If you’re doing big-picture things, I’m all over it,” he told them.
At a subsequent meeting at the Governor’s Energy…Continue