The Latest from the Energy Vanguard Blog

Moncrief Heating & Air Conditioning is an HVAC company adopting a house-as-a-system approach.
Posted by Allison Bailes on May 17, 2011
I've written a lot about HVAC (Heating, Ventilating, and Air Conditioning) companies in the Energy Vanguard blog, and a lot of what I've written is pretty critical. I've ruminated about why they won't do things right, gone on a tirade about a bad Manual J, and beseached them to look at the ducts in...
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HERS rater class teaching building science to new raters
Posted by Allison Bailes on April 8, 2011
Guest Post by Sean Lintow, who has been in three classes I taught (HERS, ENERGY STAR Version 3, and Advanced HVAC for Raters) and uses Energy Vanguard Energy Ratings as his HERS provider.
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energy star homes version 3 benchmark home large house penalty
Posted by Allison Bailes on April 4, 2011
When I first became a HERS rater and went to the RESNET conference in 2004, I got to talk with David Lee, who was the head of the ENERGY STAR homes program at the time. Because I was puzzled by the paradox large homes with energy efficiency certifications, I asked him, How can a 15 thousand square...
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RESNET jugglers association home energy juggler building science hers strategic alliance
Posted by Allison Bailes on April 1, 2011
RESNET, the Residential Energy Services Network, has entered into a Memorandum of Understanding (MOU) with IJA, the International Jugglers Association. The goal of the MOU with IJA is to promote the creation of new requirements, certifications, equipment sales, and training classes for HERS raters...
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Posted by EV Staff on March 15, 2011
Hey, HERS raters, what if I told you that you could get the volume of a multi-pitched roof for all of your home energy ratings without the need to calculate a single algebraic formula? Or, how about wall area? I know, I'm your new best friend, right?
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RESNET conference 2011 Allison Bailes with Energy Avenger Tuesday
Posted by Allison Bailes on March 4, 2011
OK, I'll admit it. The highlight of my week at the 2011 RESNET Building Performance Conference was getting to meet The Energy Avenger. I've been showing a video of him teaching people how to wrap a water heater for years, but this was real. I met The Energy Avenger in the flesh. No one knows his...
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RESNET building performance HERS conference logo 2011
Posted by Allison Bailes on February 28, 2011
The annual RESNET conference officially starts today, but the weekend was filled with preconference sessions, committee & board meetings, and lots of networking and reconnecting. Chris and I arrived Saturday at about 4 o'clock and went out to dinner that evening (photo below right) with the...
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ENERGY STAR Version 3 new homes guidelines
Posted by Allison Bailes on February 18, 2011
Yesterday we finished up our first two-day class on ENERGY STAR Version 3 for HERS Raters. We spent the morning of the first day going over the basics - the changes, the transition from V2 to V3 via V2.5, and how the new guidelines work. That afternoon we dove into the details of the Thermal...
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RESNET ACI conference networking HERS BPI
Posted by Allison Bailes on February 12, 2011
Whether you're brand new in the community of home energy auditors, home energy raters, and home performance pros or have been in it for years, these two events are at the top of the heap for learning and networking.
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Our 2 Blower Door setup, with one Minneapolis and one Retrotec system
Posted by Allison Bailes on February 1, 2011
Yesterday we began our latest HERS rater class, training a new group of home energy raters. We have 11 students this time, mostly from Georgia but also one from Virginia and one from Tennessee. We spent the first half of the day in the classroom and then went out into the field the whole afternoon...
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