Paul Raymer
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  • Falmouth, MA
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Paul Raymer's Discussions

Stud cavity air returns

Started this discussion. Last reply by Bob Ellenberg Aug 31. 17 Replies

Seems like a reasonable use of space and materials and saving in costs to use a stud cavity as a conditioned air return.  But is it a good idea?  The inside surface of naked, unpainted sheetrock is…Continue

Tags: mold, IAQ, Duct-EZ, ducting, cavity

BPI QCI HEP Certification

Started Jan 2, 2015 0 Replies

The Weatherization Assistance Program's (WAP) comprehensive Quality Work Plan requires that quality control assessments be signed off by a QCI professional as of January 1, 2015.  Looking through…Continue

Looking for a cure for a warping hardwood floor not caused by a leak

Started this discussion. Last reply by Ed Minch Apr 18, 2013. 17 Replies

I have a client who is has a lovely house built in 2010 that has oak hardwood floors throughout. There are apparently no other moisture issues besides the hardwood flooring. This problem is on the…Continue

Tags: warped floor, humidity

NEASI

Started this discussion. Last reply by David Eggleton Sep 28, 2011. 4 Replies

Does anyone have any experience or knowledge about NEASI, the National Energy and Sustainability Institute in Colorado Springs?  They are certifying commercial energy auditors that have taken a…Continue

Tags: Institute, Sustainability, and, Energy, National

 

Paul Raymer's Page

Latest Activity

Bob Ellenberg replied to Paul Raymer's discussion Stud cavity air returns
"Return "duct work" is not the issue--free flowing paths back to the unit are.  You probably had some air bypassing any filters but that would not likely do any real harm.    If the unit is central and each room has enough…"
Aug 31
Walter Ahlgrim replied to Paul Raymer's discussion Stud cavity air returns
"Last year we build a new home the HVAC seemed to work perfectly after a full season of both heating and cooling I happened to notice the contractor had forgotten to pan one end of a floor joist bay being used an the main return duct. I tested the…"
Aug 31
Michael Schettine replied to Paul Raymer's discussion Stud cavity air returns
"What about fire migration from open stud cavities...on that point alone makes it an unreasonable topic.  "
Aug 30
Shane S liked Paul Raymer's discussion Stud cavity air returns
Aug 30
Carlos replied to Paul Raymer's discussion Stud cavity air returns
"In Spain is permitted (return and supply) by code only if the stud cavity has the same features than a duct, nearly impossible. :( Carlos Nergiza.com"
Aug 28
John Nicholas replied to Paul Raymer's discussion Stud cavity air returns
"2 instances of moisture and mold in return ducts.   1.  furnace base on 2x6 frame that formed part of the return plenum, bottom was concrete basement floor.  The moisture was from the rusted out condensate pan under the…"
Aug 27
John Nicholas replied to Paul Raymer's discussion Stud cavity air returns
"Are you aware the EPA and Consumer's Union does not recommend duct cleaning on a routine basis?"
Aug 27
Dennis Heidner replied to Paul Raymer's discussion Stud cavity air returns
"I live in a house that was built in 1963,  the builder used wall cavity between the first and second floor stair way as the return shaft for the furnace.  I'd could hear the furnance running louder because of the sound from the air…"
Aug 27
Bob Ellenberg replied to Paul Raymer's discussion Stud cavity air returns
"CA code now requires supply ducts to be insulated even in conditioned space."
Aug 27
Bill Smith replied to Paul Raymer's discussion Stud cavity air returns
"I discourage it because it's too easy to punch holes in drywall to hang pictures, or what have you. It only takes a few poorly sized holes to introduce enough leakage to foul the intended return path. Not to mention the other problems that have…"
Aug 27
Ed Minch replied to Paul Raymer's discussion Stud cavity air returns
"I work with the State of DE on code language, and for 2012 there was was backlash from the HVAC guys about panned returns.  We managed to get language stating that they could be used only if the ducts are not required to be tested (i.e. all…"
Aug 27
Joe Nebbia replied to Paul Raymer's discussion Stud cavity air returns
"Another problem you encounter is that cavity being used seems to sometimes get picked after it's already being used as a chase for something else (Electrical, plumbing, etc).  The cavity is closed up and no one notices there is a pipe…"
Aug 27
Joe Nebbia replied to Paul Raymer's discussion Stud cavity air returns
"Code has not allowed building cavities to be used as ducts  on either supply OR return since 2012 IECC.  See R403.3.5 in the 2015 IECC.  Some states have amended this language to allow.  In my opinion, it's setting the ducts…"
Aug 27
Chris Harrington replied to Paul Raymer's discussion Stud cavity air returns
"I don't think it a good idea. Every 5 years or so I have my ducts professionally cleaned. This involves putting spinning brushes down the ducts while a strong vacuum is pulling out what comes loose. If you use a stud cavity for the return, you…"
Aug 27
Dave Taylor replied to Paul Raymer's discussion Stud cavity air returns
"Paul, I have used stud cavity returns on interior walls only,but always metal lined to inhibit odor absorption by the materials. The standard size limitation of the cavity usually under sizes your return unless using multiple bays."
Aug 27
Jeff Classen replied to Paul Raymer's discussion Stud cavity air returns
"I have only seen mold in return cavities on homes that had excessive moisture levels, this is more moisture issue than it is a cavity return issue. My biggest beef with cavity returns is the sizing of the hole at the bottom of the cavity, which i…"
Aug 27

Profile Information

Company
Heyoka Solutions
Professional Certification
BPI BA, BE, Heat, AC/Heat Pump, HERS Rater, IREC Assessor
Professional Interests
Residential Energy Efficiency, writing, ventilation
Website URL
http://www.HeyokaSolutions.com
Blog URL
http://resvent.wordpress.com
Twitter ID
https://twitter.com/paul_raymer
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Paul Raymer

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Paul Raymer's Blog

Angry Air!

Posted on July 7, 2017 at 3:48pm 0 Comments

John Tooley said, “Air is like crooked rivers, crooked people, teenagers, and cheap labor.  It always seeks the path of least resistance.”  He didn’t say that Angry air is Noisy air.   Air doesn’t like being forced through corrugated, flexible ducting, pushed around corners, and made to force open dampers.  It resists being made to perform in a way that it doesn’t want to.  It takes more and more force as the resistance increases.  Air is just fine when you just let it move at will.  It can…

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Healthy Home Evaluator Training

Posted on October 20, 2016 at 1:21pm 0 Comments

Fall River, MA     October 13, 2016

For two days – November 15th and 16th - Paul Raymer of Heyoka Solutions will be teaching a pilot of the BPI HHE course at the Fall River campus of…

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Zonal Pressure Puzzle

Posted on July 28, 2016 at 5:05pm 8 Comments

I have a wonderful little (16 x 14 x 8) test cabin at Bristol Community College in Fall River, MA.  There are 3 'rooms', one of which stands in as the bathroom.  It has a bath fan in the ceiling and a small, hopper window.  When I depressurize the house to 50 Pascals, the pressure between the bathroom and the main body of the cabin is just 4.3 Pascals.  When I stand in the bathroom with the door closed, air is pouring in through the bathroom fan, there is enough flow to make the fan rotate…

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TV Sets, Homes, and QCI

Posted on May 18, 2015 at 8:17am 0 Comments

I have had the pleasure of talking to a lot of wonderful people about the challenges of the BPI QCI Certific ation, and I am getting some unique insight.  I started out working on my book – Residential QCI Handbook on a quest to help candidates who are preparing to take the exam. …

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Comment Wall (2 comments)

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Join Home Energy Pros Forum

At 1:52am on November 19, 2010, Tom White said…
Welcome Paul. Thanks for joining and contributing to HEPros! Tom
At 9:09pm on November 17, 2010, Carol A. Markell said…
great to see you here Paul
 
 
 

Forum Discussions

ENERGY STAR Version 3

Started by Allison A. Bailes III in General Forum. Last reply by Mandy Leazenby 17 hours ago. 10 Replies

Blower door test for small apartment building

Started by Jerry Needham in General Forum. Last reply by John White on Friday. 9 Replies

Radiant Barrier Southeast

Started by Gary Wright in Best Practices. Last reply by yassin chahdi on Thursday. 6 Replies

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Mandy Leazenby replied to Allison A. Bailes III's discussion ENERGY STAR Version 3
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Testing Air Quality with Your Nose: Control Your HOMEChem

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John White replied to Jerry Needham's discussion Blower door test for small apartment building
"Well, I think it completely depends on the purpose and requirement of the test. Testing one unit in…"
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John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"I can use my Duct Blaster on any house that I expect to be less than 1300 CFM through the…"
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Sean Lintow Sr replied to Jerry Needham's discussion Blower door test for small apartment building
"FYI, he is in Illinois where code is 5 (well up until March as noted when it drops to 4)  Heh…"
Friday
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"Here are two pictures of the duct blaster fan as a blower door.  1 in a door and 1 in a…"
Thursday
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"What standard are you testing to? Energy Star requires 5 ACH @ 50.   Code is 3.0 etc…"
Thursday
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"What standard are you testing to? Energy Star requires 5 ACH @ 50.   Code is 3.0 etc…"
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Franco Oyuela replied to Allison A. Bailes III's discussion ENERGY STAR Version 3
"The ENERGY STARnew homes program has been around since the mid-1990s and is currently undergoing…"
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Blake Reid commented on Blake Reid's blog post Managing Mold & Humidity (in Hawaii)
"Thank you very much! They're actually the same, though - the one with the dehu cover photo has…"
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John Proctor commented on Blake Reid's blog post Managing Mold & Humidity (in Hawaii)
"Nice post -- much better than the one that only showed the dehumidifier."
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Brett Little updated an event
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Full Circle Urban Forestry: Introducing Urban Wood Opportunities - Free CE Webinar at Webinar Online

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Brett Little replied to Brett Little's discussion Virtual CEU Tour of the Pembroke Passive Solar Zero Energy Ready Home
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yassin chahdi replied to Gary Wright's discussion Radiant Barrier Southeast
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Bruce Fillmore replied to Mark Furst's discussion Bath fan weirdness
"In my opinion venting into any soffit is a bad idea, it usually requires a sharp bend to get into…"
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Tray Biasiolli replied to Mark Furst's discussion Bath fan weirdness
"I'd agree with Sean - we get wind effects regularly when measuring ventilation fan intake at…"
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