Christopher Cadwell's Blog Posts Tagged 'AC' (4)

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.…

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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…
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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.…



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

Selling AC Retrofits - Notes from the field.

First I talk of safety. I mention old furnaces and CO possibilities, etc. This will usually make them sour up a bit because it is slightly a sales pitch.

Then I usually talk to homeowners about the hot and cold rooms. This is a big button and an easy one to push and get them talking. This adds to the sourness but gains…
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Added by Christopher Cadwell on October 25, 2011 at 10:30pm — 1 Comment

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.

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Bob Blanchette replied to Hal Skinner's discussion Any success getting landlords to energy upgrade a single family rental unit?
"The landlords don't want the improvements done even if they don't have to pay for it?…"
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Hal Skinner replied to Hal Skinner's discussion Any success getting landlords to energy upgrade a single family rental unit?
"Hi Bob, The tenants all say they cant do anything to the building.  We would get referred…"
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The Future of Housing - And How Airtightness Can Help

"Ben's Kickstarter documentary, The Future of Housing, was fully funded. The grand premiere…"
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Simon Sinek: How great leaders inspire action

TED Talks Simon Sinek has a simple but powerful model for inspirational leadership all starting with a golden circle and the question "Why?"
22 hours ago
peter chang's discussion was featured

Programmable tstat for electric baseboard?

Ok, just want to throw this out there. I live in the high desert, 6800' or so. My house is pretty…See More
22 hours ago
Tom White posted a video

Simon Sinek: How great leaders inspire action | Video on TED.com

TED Talks Simon Sinek has a simple but powerful model for inspirational leadership all starting with a golden circle and the question "Why?" His examples include Apple, Martin Luther King, and the Wright brothers ... (Filmed at TEDxPugetSound.)
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