Christopher Cadwell's Blog Posts Tagged 'HVAC' (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.

Latest Activity

Kim Tanner commented on Diane Chojnowski's group Home Energy Pros on Twitter
"Follow The Energy Conservatory on Twitter! We'll follow…"
4 minutes ago
Kim Tanner joined Diane Chojnowski's group
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Home Energy Pros on Twitter

We've created a twitter list of members of Home Energy Pros who tweet!See More
5 minutes ago
Rob Moreno is now a member of Home Energy Pros
48 minutes ago
Bud Poll replied to Kaushal Bharath Raju's discussion Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.
"Hi Kaushal, First step is to understand where you are in terms of energy costs.  If current…"
3 hours ago
Kaushal Bharath Raju posted a discussion

Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.

We have a small 1940s single level house (1005sqf) in Berkeley, California that is in need of a…See More
10 hours ago
Christopher Morin posted a blog post

5 Things New Energy Efficiency HVAC Contractors Need to Know

1. Do not sell on Price! Use 'Simple Payback'The price of High-efficient equipment will undoubtedly…See More
15 hours ago
David Eggleton commented on David Eggleton's group Considering Permaculture &/or Transition
"In August 2014, in Minnesota, there's another unprecedented opportunity to meet and mix with a…"
22 hours ago
Glen Gallo commented on Jim Gunshinan's blog post Energy Upgrade California—Up Close and Personal
"Nate, RE: Duct test On my own home and a rental I have tested more than once over the last many…"
23 hours ago
Profile Iconangela hines and Charles Goldman joined Home Energy Pros
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Jeff Flaherty joined Diane Chojnowski's group
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Tools of the Trade

A hammer and a saw used to be the key tools for home contractors. Today, the best-in-breed also use…See More
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Jeff Flaherty 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
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Debra Little joined David Eggleton's group
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Considering Permaculture &/or Transition

Some who work to increase energy efficiency and intelligent/wise use of energy are, and some will…See More
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