Christopher Morin's Blog – October 2012 Archive (1)

Building Code: ACCA Manual S

     A seldom practiced design procedure, equipment selection, has been part of the International Residential Code for many years, and local MA/RI code at least since 2010.  This critical step is the second part of residential system design, following a Manual J load calculation and prior to the Manual D duct design.  I think confusion around the dated manual has contributed to lack of use and enforcement.  Whether you are installing an air-conditioner, heat pump, furnace, or boiler, there…

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Added by Christopher Morin on October 24, 2012 at 10:00am — 1 Comment

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Hal Skinner replied to Hal Skinner's discussion How our ceramic based RCC works in the group Radiant Control Coatings
"Hey Tom, I will find the ORNL repoprt and post it.  It was a test on a ballasted roof sample.…"
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Tom Mallard replied to Hal Skinner's discussion How our ceramic based RCC works in the group Radiant Control Coatings
"So it seems that what you're saying is for heat-transfer the stuff has little resistance or…"
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Hal Skinner added a discussion to the group Radiant Control Coatings
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Mike Kandel added a discussion to the group Building Performance Institute (BPI)
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Earn BPI CEUs at 3rd Annual Building Performance Forum

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Sean Lintow Sr commented on Christopher Morin's blog post UPDATED: Big Changes for Duct Testing in MA
"4% TOTAL Ted - Leakage to outside was stripped from the codes & for good reason"
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tedkidd commented on Christopher Morin's blog post UPDATED: Big Changes for Duct Testing in MA
"Wait!  4% total leakage or 4% leakage to outdoors? "
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