Rodney Fox
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  • Cerrillos, NM
  • United States
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Rodney Fox's Discussions

Radon: Truth vs. Myth

Started this discussion. Last reply by Rodney Fox Mar 31, 2016. 147 Replies

In researching the subject of Radon mitigation, I came across this article…Continue

Does calcification affect electric water heater aquastat temperature sensor performance?

Started this discussion. Last reply by tedkidd Sep 24, 2015. 19 Replies

I recently ran across a situation where a 40 gallon electric water heater was cycling on and off every five minutes or so. While monitoring that circuit, it would kick on for 4-5 minutes and then…Continue

Tags: sensor, calcification, temperature, aquastat, water

Does altitude affect AFUE? or just the input/output BTUs?

Started this discussion. Last reply by Morgan M Audetat Jul 15, 2015. 25 Replies

I searched and searched and searched yesterday for an answer to the question "Does altitude affect AFUE?" but did not come up with any definitive answers. Hopefully this discussion will answer that…Continue

Tags: derate, input, BTUH, altitude, SSE

Utility company's diabolical rate plans don't save the consumer equivalent to what they conserve

Started this discussion. Last reply by Bud Poll Aug 13, 2012. 6 Replies

Attached is a spreadsheet I created for a restaurant client comparing two plans and projected kWh savings at 20% and 30%.Currently, they are on the rate plan "3B". If they were to remain on this plan…Continue

Tags: savings, vs, actual, plans, rate


Rodney Fox's Page

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Advanced Metrics Group
Professional Certification
BPI Building Analyst Professional
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Renewable energy systems
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At 4:03pm on January 4, 2011, Diane Chojnowski said…

Hi Rod,

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!

Diane, HEP Moderator


Forum Discussions

Psychrometric Chart Training

Started by John Krochmalny in Training 3 hours ago. 0 Replies

Too many Heat Pump Water Heaters in a basement?

Started by Brad Cook in General Forum. Last reply by Michael Duclos 8 hours ago. 10 Replies

How would you insulate this roof?

Started by David Butler in General Forum. Last reply by David Butler on Monday. 2 Replies

Dirty solar panels

Started by Evan Mills in General Forum. Last reply by Stacie Bagnasco on Monday. 1 Reply

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Psychrometric Chart Training

Looking through the various areas of this site, I didn't see too much information or training on…See More
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Core Heat And Other Concepts

  In some places the use of solar heated liquids from hot water solar panels are used to provide…See More
8 hours ago
Michael Duclos replied to Brad Cook's discussion Too many Heat Pump Water Heaters in a basement?
"I’ve been looking into Sanden for a multi-family PH near Laconia, NH, ASHRAE 99.6% temp is…"
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David Butler replied to Brad Cook's discussion Too many Heat Pump Water Heaters in a basement?
"theoretically, let's say you perfectly isolate the HPWH from a heat source. The HPWH's…"
David Butler replied to David Butler's discussion How would you insulate this roof?
"Interesting idea. Commercial roof on a slope! Typical density for roofing spray foam is 2.5 to 3.0…"


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