Ethan MacCormick
  • Aurora, NY
  • United States
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Ethan MacCormick's Groups

 

Ethan MacCormick's Page

Latest Activity

Ethan MacCormick replied to Luis Hernandez's discussion Modeling a Townhouse in the group TREAT Software
"Exactly right, Luis. The other unit is conditioned also, so there's negligible energy transfer between them, so the common walls don't provide a heating or cooling load, and there's no reason to enter them in the model. And to…"
Jul 7, 2013
Ethan MacCormick replied to Luis Hernandez's discussion Modeling a Townhouse in the group TREAT Software
"Hi Luis, This is a great question that points to a fundamental tenet of energy modeling: we don't worry about surfaces (walls, floors, etc.) where there's no energy transfer.  We assume that temperatures between adjacent units (or…"
Jul 7, 2013
Ethan MacCormick replied to George Kopf's discussion ASHRAE 62.2.2010 and the $20 app
"Rick Karg, one of the developers of the ResVent app, has always been very generous with his time when enhancing the standard, and in educating the building science community on using it. In fact, he offers a free web-based tool to do the 62.2…"
Jan 17, 2013
Ethan MacCormick left a comment for Carol A. Markell
"Thanks Carol,  If Dave or Bill or Tamasin or Gloria or someone had told me sooner... Looks good!"
Jan 19, 2011
Carol A. Markell left a comment for Ethan MacCormick
"Welcome Ethan, about time!  Carol"
Jan 19, 2011
Ethan MacCormick is now a member of Home Energy Pros
Jan 18, 2011

Profile Information

Company
Performance Systems Development
Website URL
http://www.psdconsulting.com

Comment Wall (2 comments)

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At 7:58am on January 19, 2011, Carol A. Markell said…
Welcome Ethan, about time!  Carol
At 12:34pm on January 18, 2011, Diane Chojnowski said…

Hi Ethan,

Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos andupcoming events. If you're blogging about home performance, this is the place for you!

Don't forget to upload your profile photo. And add your location on our Member Map!


Thanks!
Diane, HEP Moderator

 
 
 

Home Energy Pros

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

Latest Activity

Mst. Fatema Aktar is now a member of Home Energy Pros
6 hours ago
Robert Leone added a discussion to the group Energy Auditing Equipment for Sale, Trade or to Purchase
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Blower Door Package for Sale

Hi,I am selling my blower door with extras as a package or individually. These items are used but…See More
12 hours ago
Profile IconRobert Leone and Richard Vito joined allen p tanner's group
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Energy Auditing Equipment for Sale, Trade or to Purchase

Discuss the pros and cons of the equipment you are interested in prior to purchase. Post equipment…See More
12 hours ago
Richard Vito joined Sean Lintow Sr's group
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Best Practices (Residential)

Best Building, Retrofitting, or even Auditing Practices - what are they, what should change, what…See More
20 hours ago
Richard Vito joined James Sayers's group
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Marketing Energy Efficiency

Sharing ideas, tools and examples of promoting energy efficiency to consumersSee More
20 hours ago
Richard Vito joined Allison A. Bailes III's group
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HVAC

HVAC design, Manuals J, S, T, & D, Duct leakage, Air flow, ENERGY STAR new home requirements,…See More
20 hours ago
Richard Vito joined Kyle Brown's group
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Wrightsoft - Manual J / Manual D

If you use Wrightsoft to calculate loads or design ducts, you likely have questions.  Get answers…See More
20 hours ago
Jim Gunshinan commented on Jim Gunshinan's blog post Energy Upgrade California—Up Close and Personal
"I had a revelation while attending Bruce Manclark's session of duct leak testing at the Energy…"
yesterday
George J. Nesbitt commented on Jim Gunshinan's blog post Energy Upgrade California—Up Close and Personal
"Blower Door; the 2007 test was a depressurization test, and the 2014 a pressurization test, which…"
yesterday
George J. Nesbitt replied to Kaushal Bharath Raju's discussion Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.
"Plan, plan, plan, plan. The 1st step to is to understand the house, how it's built, the…"
yesterday
George J. Nesbitt posted an event

High Performance Windows - A Panel of Experts at Pyramid Alehouse`

April 26, 2014 from 3pm to 5pm
Join a lively panel discussion on high performance windows. We'll cover some basics, as well as…See More
yesterday
Kaushal Bharath Raju replied to Kaushal Bharath Raju's discussion Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.
"Hi David, Thanks for pointing out Martin Holiday's article. I do not wish to engage in the…"
yesterday

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