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Here are the final numbers for my Energy Upgrade California home retrofit.
Table 1. Air Leakage (CFM50)
Test-in air leakage Test-out air leakage
Table 2. Duct Leakage
Test-in duct leakage *Test-out duct leakage
*Note: The duct leakage is a percentage of the rated flow of the air handler. The measured air flow at the return grill was somewhat lower, so the percent leakage was actually higher.
According to the EnergyPro software used in the Energy Upgrade California (...
The net-zero energy test house at the National Institute of Standards and Technology (NIST) in suburban Washington, D.C., not only absorbed winter's best shot, it came out on top, reaching its one-year anniversary on July 1 with enough surplus energy to power an electric car for about 1,440 miles.*
Let me first start by confessing my guilt. Guilt for being bored easily, guilt for wanting praise, even if it is a pat on my own back for an achievement, and guilt for being a millennial. On the other hand, I enjoy working in teams and I encourage frequent communication between all team members from administration staff to auditors, sales staff and crew members to improve our workflow.
Ever wish you had a crystal ball to tell you which neighborhoods would make the best market for your energy efficiency offerings? One Michigan residential energy upgrade program may not be able to tell the future, but it helped contractors come in and sweep neighborhoods with the most potential for upgrade business.
NRDC released a Call to Action yesterday to help reduce the $9 billion worth of energy used by our clothes dryers, which few people realize are one of the largest energy users in our homes and represent 2 percent of our nation’s entire electricity consumption.
The National Healthy Homes Conference (NHHC)—brought to you by the U.S. Department of Housing and Urban Development (HUD) and Rebuilding Together, and media clout from the HGTV and the DIY Network is a gold mine of information.
NHHC’s six program tracks embraced 130-140 educational sessions and workshops featuring experts with dozens of nationally recognized organizations presenting a wealth of information, including actionable steps for:
Communities, homebuilders, designers and remodelers
The U.S. Department of Energy (DOE) announced this week that, through the Better Buildings Neighborhood Program, more than 40 state and local governments have supported thousands of professionals upgrading more than 100,000 homes and other buildings through its Better Buildings Neighborhood Program. These upgrades will save families and businesses more than $730 million in estimated lifetime energy savings on utility bills. What’s more, everything program partners learned about program design, marketing and outreach, financing, workforce ...
Today BPI announced the launch of the BPI GoldStar Contractor program, a companywide credentialing program that recognizes and rewards home performance contractors committed to the principle that quality is profitable and can set them apart in the marketplace. The program rolls out in tandem with a consumer outreach campaign to educate the public on the exceptional quality of BPI GoldStar Contractors.
Here is the latest from the 10 Maple Lane Retrofit Project.
Met with Bill Stewart on Monday and signed an agreement for:
Vapor barrier on crawlspace floor
Duct repair and some air sealing
I also asked them to move the filter to the return grill so that I don’t have to crawl around in the attic to change the filter every few months. And we may replace our very noisy bathroom fan ...
[This is the third in a three-part inteview with Van Jones, who delivered the keynote address in Detroit, Mich., on April 30, 2014, to attendees of the ACI National Home Performance Conference. The full interview is posted in three consecutive blogs. Click here to read Part 1. Click here to read Part 2.]