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.…

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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

Featured Forum Discussions

BPI Anaylist

Started by Larry R Waters in BPI 2 hours ago. 0 Replies

What causes a temperature plane in a home

Started by Energy Wise Solutions in HVAC. Last reply by Brad Cook 11 hours ago. 6 Replies

Velocity Pressure Testing

Started by Horace Douglas Hunt, Jr. in General Forum. Last reply by Horace Douglas Hunt, Jr. Apr 15. 2 Replies

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Industry leader in the north bay area California. Looking for experienced professionals and…See More
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John Nicholas replied to Jim Fowler's discussion TREAT modeling of mid-rise apartments low heating load
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Jim Fowler replied to Jim Fowler's discussion TREAT modeling of mid-rise apartments low heating load
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John Nicholas replied to Jim Fowler's discussion TREAT modeling of mid-rise apartments low heating load
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Brad Cook replied to Energy Wise Solutions's discussion What causes a temperature plane in a home
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