Christopher Cadwell
  • Henderson, NV
  • United States
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Profile Information

Company
UpKey.Tv
Professional Certification
BPI Heat Pump and AC, Building Analyst, Rater, Super Efficient HVAC
Professional Interests
Process Efficiency, Personal Efficiency, HVAC
Website URL
http://upkey.tv
LinkedIn Profile
Christopher Cadwell

Christopher Cadwell's Blog

HVAC and DC Fan Motors

Posted on April 19, 2012 at 9:14am 2 Comments

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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Part 2 of: The "1-2 Punch" to HVAC "Not Understoods"

Posted on December 13, 2011 at 11:30am 4 Comments

Proper sizing of HVAC equipment is smaller, and smaller means more comfort.

Probably the usual thought in the HVAC industry by technicians is that the units need to be made bigger for comfort. Perhaps this comes from the idea of coming home from work, and needing a set back thermostat to do its magic, and get the home comfortable fast,…

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Part 1 of: The "1-2 Punch" to HVAC "Not Understoods"

Posted on December 1, 2011 at 1:04pm 1 Comment

HVAC Delivery System Losses -

This is the Air Pressures, Duct System, the Boots, the Registers, Equipment Cabinets, Air Balancing, Temperature rise and drop parameters, etc. 

 

This is a greatly overlooked and not understood part of a system, even by most HVAC Journeymen and contractors. How do we come to this conclusion?…

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Notable Results in AC Training

Posted on November 28, 2011 at 12:00am 0 Comments

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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At 2:55pm on October 19, 2011, Diane Chojnowski said…

Hi Christopher,

Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!

Don't forget to upload your profile photo. And add your location on our Member Map!


Thanks!
Diane, HEP Moderator

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Forum Discussions

How would you insulate this roof?

Started by David Butler in General Forum. Last reply by Stuart Langley 37 minutes ago. 17 Replies

Psychrometric Chart Training

Started by John Krochmalny in Training. Last reply by Mahendra Shah yesterday. 1 Reply

Dirty solar panels

Started by Evan Mills in General Forum. Last reply by Stacie Bagnasco Oct 16. 1 Reply

Latest Activity

Stuart Langley replied to David Butler's discussion How would you insulate this roof?
"I am with Brad Cook here on all points. But will concentrate on the rubber grommeted screws on the…"
37 minutes ago
Stuart Langley liked David Butler's discussion How would you insulate this roof?
48 minutes ago
Brad Cook replied to David Butler's discussion How would you insulate this roof?
"I agree that it would be difficult to insulate from the exterior. It does look like at least a…"
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tedkidd replied to Bob Blanchette's discussion Tankless Water Heaters... has their time finally come?
"Yeah. Gas water…"
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Eric Kjelshus replied to Bob Blanchette's discussion Tankless Water Heaters... has their time finally come?
"With super cheap natural gas prices now, still worth going all electric?  Tankless needs a lot…"
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David Butler replied to David Butler's discussion How would you insulate this roof?
"Stuart, I wasn't considering the copula windows... yes, those would indeed need to be…"
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Stuart Langley replied to David Butler's discussion How would you insulate this roof?
"Well, @David Butler, you have seen the property more accurately than I have, but my impression of…"
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