Christopher Cadwell's Blog Posts Tagged 'Efficient' (3)

HVAC and DC Fan Motors

Here are links to my latest posts on how these motors can be used for retrofitting in existing HVAC systems.

HVAC Savings Upgrades – Cutting Fan Watts In Half or More 

In this post I cover how the savings can be dramatic, and the most important part is to get duct pressures low.…

Continue

Added by Christopher Cadwell on April 19, 2012 at 6:14am — 2 Comments

Notable Results in AC Training

The final survey results of the second week of students in the High Performance HVAC classes.
Here are some notable results of what the students felt that they got out of the course.
  • How to reduce # of registers while improving comfort. 
  • Importance of velocity - amount needed to properly mix air.
  • How to select register types to control noise and performance. 
  • Whole house as…
Continue

Added by Christopher Cadwell on November 27, 2011 at 9:00pm — No Comments

Super Efficient HVAC is Easy

Attending a week long class where veteran trainer Rick Chitwood is moderator has been entertaining and joyful. In the class which is inside a house that is being retrofit completely we are now designing and installing a super efficient HVAC system.…



Continue

Added by Christopher Cadwell on November 17, 2011 at 9:30pm — 9 Comments

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

Ben Jacobs replied to Mike Kandel's discussion Have you heard!? BPI's BSP Certificate Approved as Home Energy Score Prerequisite!
"I am very pleased to see the collaboration between the Building Performance Institute (BPI) and the…"
1 hour ago
Profile IconComly Wilson, Pete Stoermer, Billy Ray Griffin and 1 more joined Home Energy Pros
2 hours ago
Stan Kuhn replied to Mike Kandel's discussion Have you heard!? BPI's BSP Certificate Approved as Home Energy Score Prerequisite in the group Building Performance Institute (BPI)
"Mike, are there any statistics on the number of HES ratings performed, by all providers?"
5 hours ago
Mike Kandel added a discussion to the group Building Performance Institute (BPI)
Thumbnail

Have you heard!? BPI's BSP Certificate Approved as Home Energy Score Prerequisite

The Building Performance Institute's Building Science Principles (BSP) Certificate of Knowledge has…See More
5 hours ago
Mike Kandel posted a discussion

Have you heard!? BPI's BSP Certificate Approved as Home Energy Score Prerequisite!

The Building Performance Institute's Building Science Principles (BSP) Certificate of Knowledge has…See More
5 hours ago
Shawna Henderson posted a status
"New Blog Post @HomeEnergyMag Why I like Dumb, Do-Nothing Houses http://shar.es/1WSOIX"
5 hours ago
Larry Gorman posted a discussion

Hobo Data loggers for sale

I have recently retired and no longer have need of these, which are all in like new condition.  I…See More
6 hours ago
Laurel Elam posted a blog post

Over 146,000 Homes in the U.S. were HERS Rated and issued a HERS Index Score in 2014

In 2014 there were 146,860 homes in the United States that were energy rated by certified RESNET…See More
7 hours ago

© 2015   Created by Lawrence Berkeley National Laboratory.

Badges  |  Report an Issue  |  Terms of Service