Ethan MacCormick
  • Aurora, NY
  • United States
Share on Facebook Share on Facebook Share

Ethan MacCormick's Friends

  • Nate Asbeil

Ethan MacCormick's Groups

 

Ethan MacCormick's Page

Latest Activity

Ethan MacCormick replied to Luis Hernandez's discussion Modeling the apartment upstairs in the group TREAT Software
"Boy, Luis, sorry to see this so late. Curious what you did.  Our general approach would be to model only the surfaces in the apartment  that are adjacent to unconditioned space, so leaving off floors and walls that are adjacent to the…"
Sep 26, 2014
Ethan MacCormick replied to Luis Hernandez's discussion How to model a skylight in the group TREAT Software
"Hi Luis, I'm not sure what the NYSERDA specifics would be, but in basic terms, a skylight is just a window in a sloped roof (typically).  So picking the right frame and glazing characteristics and putting it into a sloped roof should do…"
Sep 26, 2014
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)

You need to be a member of Home Energy Pros to add comments!

Join Home Energy Pros

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

 
 
 

Videos

  • Add Videos
  • View All

Twitter

Latest Activity

Dale Hoffmeyer posted a discussion

Friends and Family Referral Marketing

Is anyone aware of home performance contractors that have had success with some type of friends and…See More
4 hours ago
Amber Vignieri posted a blog post
4 hours ago
Diane Chojnowski commented on Chris Dorsi's blog post My Favorite Announcement of the Year
"Congratulations Michelle Nochisaki and Ed Matos!  "
6 hours ago
Chris Dorsi's blog post was featured

My Favorite Announcement of the Year

Each year, Habitat X engages in…See More
6 hours ago
Sydney G. Roberts commented on Tom White's video
Thumbnail

Building Science Insights -- To Vent or Not to Vent

"R Higgins, you can insulate exterior with with foam board or nailbase when you reroof and then…"
7 hours ago
Steven Lefler posted a status
17 hours ago
Ryan T De La Rosa is now a member of Home Energy Pros
17 hours ago
Chris Dorsi posted a blog post

My Favorite Announcement of the Year

Each year, Habitat X engages in…See More
18 hours ago

© 2016   Created by Lawrence Berkeley National Laboratory.   Powered by

Badges  |  Report an Issue  |  Terms of Service