"I have been using Rheem or State or Brad/white PVC flued tank type hot water heater…"
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.…
ContinueAdded 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…
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.…
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…
Continue
Added by Christopher Cadwell on October 25, 2011 at 10:30pm — 1 Comment
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