Christopher Cadwell's Blog – November 2011 Archive (5)

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

Zero Duct Leakage - Yes it is Possible.

What does this mean? How can we get to zero duct leakage?

 

When the testing equipment is not small enough to accurately measure the leakage - then it is called zero - usually below 10 CFM of leakage.

Essentially every seam of all the metal and every inside connection of the…

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Added by Christopher Cadwell on November 22, 2011 at 10:30pm — No Comments

Another Week of Awesome AC Training

Another week ahead with the master HVAC installer and trainer - Rick Chitwood.

This is no ordinary course room.* This is the house about to be retrofitted. We just got through the day of reasoning on the background as to why we install AC in…

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Added by Christopher Cadwell on November 22, 2011 at 6:30am — 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.…



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

Efficiency - What's missing, maybe?

What can we learn and use from world class organizations, and how they got there? How does this apply to energy efficiency rating and auditing?

The bottom line: They produced and sold what the customer actually wanted and was willing to pay for. There are a lot of other things they did, but all complexities funneled back into the purpose of delivering something…

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Added by Christopher Cadwell on November 9, 2011 at 8:00am — 2 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

Walter Ahlgrim replied to James White's discussion What happened to Home Energy Pro's website?
"Try downloading Google Chrome web browser https://www.google.com/chrome/browser/ I had similar…"
11 hours ago
Stacy Hunt posted an event

Building America Webinar: Multifamily Ventilation Strategies and Compartmentalization Requirements at Virtual

September 24, 2014 from 3pm to 4:30pm
The Building America Program is hosting a no-cost, webinar-based training on Multifamily…See More
13 hours ago
Ben Jacobs replied to Bud Poll's discussion Another benefit from air sealing
"This is info I give to clients that I serve. People who live in homes that are not energy efficient…"
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Brennan Less replied to Bud Poll's discussion Another benefit from air sealing
"Thanks Bud. I just feel the need to point out any such issues, because we as a field need to be…"
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Bud Poll replied to Bud Poll's discussion Another benefit from air sealing
"Hi Brennan, "weak and irrational" is not at all what I was trying to communicate. …"
18 hours ago
Christopher Talarico replied to Christopher Talarico's discussion Heating with Tankless Water Heater & Hydronic Air Handler vs. Gas Furnace
"Barbara, thanks for the info - this is some of the research I was interested in seeing. That report…"
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Brennan Less replied to Bud Poll's discussion Another benefit from air sealing
"I would love to see such matters discussed on this forum without broadly characterizing women as…"
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Eric Kjelshus commented on Christopher Morin's blog post Top 5 Changes to ACCA Manual S
"I run loads each day.  BUT my completion does not,    I see so much over sizing…"
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