Rodney Fox
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  • Cerrillos, NM
  • United States
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Radon: Truth vs. Myth

Started this discussion. Last reply by Rodney Fox Mar 31. 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

Latest Activity

Rodney Fox replied to Energy Wise Solutions's discussion No Utility Homes, Are we ready to start building Homes that are not connected to traditional utilities ?
"Solar pv is generally inexpensive. My recommendation for anyone traveling down the off grid path is to greatly oversize your pv array and use a relay to trigger a switch to turn on either resistance heating elements or a heat pump to heat water, for…"
May 19
Rodney Fox replied to Rodney Fox's discussion Radon: Truth vs. Myth
"There is no possible way to insulate and caulk below the joists in this home. It's a mess down there, with about 6" to 18" of work space throughout. Even foaming all of the penetrations through the floor is impossible. Totally cost…"
Mar 31
Tom Mallard replied to Rodney Fox's discussion Radon: Truth vs. Myth
"Yeah, it's all a mess, eh? Thus consider it's due to the floor not being airtight, mainly at the edges is the fundamental. So if having to do the work consider adding insulation board below the joists and caulk it to become a vapor barrier…"
Mar 31
Rodney Fox replied to Rodney Fox's discussion Radon: Truth vs. Myth
"Tightening the crawlspace would increase the negative pressure in the living area, further exacerbating the problem of woodstove backdrafting. Although I imagine it would also remove more toxins from the crawlspace, further reducing the radon…"
Mar 31
Greg Labbe replied to Rodney Fox's discussion Radon: Truth vs. Myth
"Rod, Is it possible to make the crawlspace more air tight? If the crawl was more air tight, it would require less air volume to keep it at a negative pressure relative to the conditioned volume I suspect. Less air volume, smaller fan? What do you…"
Mar 31
Tom Mallard replied to Rodney Fox's discussion Radon: Truth vs. Myth
"Replying to Rodney's post not having a reply on that comment as a builder-contractor satisfying code, my comments are pertinent, a 2" slab of granite has a finite emission rate of radon not worthy of worrying about, eh? Post your…"
Mar 25
Rodney Fox replied to Rodney Fox's discussion Radon: Truth vs. Myth
"Hey folks, can we try and stay on topic please? The devil is in the details, and not everyone who is following this thread (and there are many) are interested in the nitpicking and tangential topics. I want to remind folks about the topic... Are…"
Mar 25
Tom Mallard replied to Rodney Fox's discussion Radon: Truth vs. Myth
"I'm only questioning the blanket statement, "... 99% of sealer's for granite counter-tops are not regulated and are not certified by the FDA as food safe." I'm assuming they sell restaurants as well so if you buy at big-box…"
Mar 25
Richard Beyer replied to Rodney Fox's discussion Radon: Truth vs. Myth
"Tom Mallard, There's no argument here. What I said specifically is "99% of sealer's for granite countertops are not regulated and are not certified by the FDA as food safe." I never said granite was unsafe. Should you disagree…"
Mar 25
Tom Mallard replied to Rodney Fox's discussion Radon: Truth vs. Myth
"Well having installed a number of them I'll argue with you over a pro doing the work for food-contact yet I've also done commercial kitchens so not quite DIY on materials chosen & methods used for safety on this. Until then I'll…"
Mar 24
Richard Beyer replied to Rodney Fox's discussion Radon: Truth vs. Myth
"Tom, My point is countertop sealer's do not stop radon release. By design they are not designed to do so. For a sealer to fully seal off the breath-ability of a granite surface would cause the material to spall and fail.   Radon is a…"
Mar 24
Tom Mallard replied to Rodney Fox's discussion Radon: Truth vs. Myth
"Yeah, this all has a history, yet today if it's sealed as most are with a food-contact rated finish the odds are very low for the radon to get into the air. Air is how it's deadly able to stick to your lungs, otherwise it's emitting…"
Mar 24
Richard Beyer replied to Rodney Fox's discussion Radon: Truth vs. Myth
"Tom Mallard, Sealing a granite countertop does not slow down radon emissions if in fact the countertop your describing is a true radon emitting granite. Most are not, because they are not true granite. Countertop sealers are designed and recommended…"
Mar 24
Richard Beyer replied to Rodney Fox's discussion Radon: Truth vs. Myth
Mar 24
Tom Mallard replied to Rodney Fox's discussion Radon: Truth vs. Myth
"This is a good issue to show the difference between radiation exposure and inhaling-ingesting-absorbing a "hot particle", that produces "ionizing radiation" in this case emitting alpha-beta-gamma the reason there is no known safe…"
Mar 24
dale garren replied to Rodney Fox's discussion Radon: Truth vs. Myth
"there's possibly as much or  more radon coming from their granite counter tops than from the ground below https://www.epa.gov/radiation/granite-countertops-and-radiation ; https://www.youtube.com/watch?v=8AGrns35dQk#t=238  "
Mar 24

Profile Information

Company
Advanced Metrics Group
Professional Certification
BPI Building Analyst Professional
Professional Interests
Renewable energy systems
Simplification
Website URL
http://www.amgi.net

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At 1:03pm 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!

Thanks!
Diane, HEP Moderator

 
 
 

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