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Commercial Blower Door Testing & Infiltration Question

Hi all.  How would one go about calculating ACHn for commercial buildings using blower door results?  Is there a chart such as the resident…

Started by Kyle Brown in General Forum

1 Jan 1, 2011
Reply by Andrew F.

Cape Attic Insulation & Roofing Project

On a 1950's cape in Oreland Pa (zone 4 but near 5)we are retrofitting attic insulation and doing a new roof. Generally, the proposed roof…

Started by robert post in General Forum

0 Dec 30, 2010

New Zealand home peformance rating scheme

The New Zealand government today launched a home performance rating scheme where the home owner can rate their house based on certain crite…

Started by CK Ang in General Forum

12 Dec 28, 2010
Reply by CK Ang

Does peer pressure help motivate people to save energy?

According to the Wall Street Journal, it's one of the best ways."It isn't financial incentives. It isn't more information. It's guilt....St…

Started by Stephanie Inglis in General Forum

15 Dec 28, 2010
Reply by Joel Greenberg

LEDs over Macy's jewelry counter

On Christmas eve I made it to Macy's to buy a present for my lovely wife. I looked up to see the sparkly halogens and was surprised to see…

Started by George M. Matthews in General Forum

1 Dec 27, 2010
Reply by Dennis McCarthy

CAZ solutions

CAZ pressure too low On an energy retrofit project during the test out I learned that under worst case conditions, without the air handler…

Started by robert post in General Forum

4 Dec 23, 2010
Reply by Dale Sherman

RESNET and Home Depot - Anyone worried about that alliance?

RESNET announced an alliance with Home Depot this week, and I've heard from a couple of our raters already. They're concerned that this wil…

Started by Allison A. Bailes III in RESNET Modeling & Rating

21 Dec 22, 2010
Reply by dale conner

Lead-safe retrofits

G.H. Runevitch, a master trainer associated with the Corporation for Ohio Appalachian Development (COAD), recently contributed an article,…

Started by Tom White in General Forum

1 Dec 22, 2010
Reply by Ed Mahoney

Proper Sizing of a two Stage Geothermal System

Question from energy homeowner:   Contractor has recommended installing a two stage Water Furnace Envision w/desup NDV049A system into a 27…

Started by Scott Barhight in General Forum

2 Dec 20, 2010
Reply by dale conner

Books on boilers, burners, furnaces, water heaters, and central air.

One can learn the basics of heat transfer, R values, U values, and all that stuff reasonably quickly and the physics and and fundamentals a…

Started by Paul Raymer in General Forum

0 Dec 19, 2010

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Home Energy Pros

Home Energy Pros was founded by the developers of Home Energy Saver Pro (sponsored by the U.S. Department of Energy, under the American Recovery and Reinvestment Act) and brought to you in partnership with Home Energy magazine.

Latest Activity

Dennis Heidner replied to Jose Macho's discussion Why Are Energy-Saving Home Inprovements Down??
"Ben,  the German highway system concept actually started BEFORE Nazi Germany during  the…"
26 minutes ago
Stan Kuhn replied to Patrick Michaelyan's discussion Hot Upper Stories
"You note overheating on the south side (naturally.)  Assuming the typical roof overhang of…"
5 hours ago
Patrick Michaelyan replied to Patrick Michaelyan's discussion Hot Upper Stories
"Thanks a lot Ed. And thanks to all who have added their two cents. I think I know where to take…"
6 hours ago
Ed Minch replied to Patrick Michaelyan's discussion Hot Upper Stories
"We have successfully treated this same problem in perhaps 1000 of this same house in the…"
7 hours ago
Craig Savage commented on Craig Savage's video
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What is a Heat Pump Water Heater

"Hello Tom We are working with A.O. Smith, GE and Stiebel Eltron on a Building America task to…"
8 hours ago
Tom Delconte commented on Craig Savage's video
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What is a Heat Pump Water Heater

"Craig: I was serious, since my propane price jumped from .98 to 1.85! according to everyone the GE…"
10 hours ago
Ben Jacobs replied to Jose Macho's discussion Why Are Energy-Saving Home Inprovements Down??
"I think that government support for good ideas results in major benefits over the long haul. Please…"
10 hours ago
Craig Savage commented on Craig Savage's video
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What is a Heat Pump Water Heater

"Hello Tom Not sure if you are being sarcastic, but a serious answer would be that GE is selling…"
13 hours ago
Tom Delconte commented on Craig Savage's video
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What is a Heat Pump Water Heater

"Craig: do you have a diagram of one that will run longer than one year? They don't really seem…"
13 hours ago
Cory Chovanec replied to Bachi Brunato's discussion Boxing and Insulating Around Non-ICAT Cans
"All good points brought up. My advice is not to leave the lights. When you said halogen I think…"
14 hours ago
Jon Haehnel replied to Jose Macho's discussion Why Are Energy-Saving Home Inprovements Down??
"The first 2 answers by Tom and Sean jive with my thinking and experience. Thank you Don for…"
15 hours ago
Tom Smith replied to Patrick Michaelyan's discussion Hot Upper Stories
"The most bang for your buck will come from airsealing the attic plane and sealing the…"
15 hours ago

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