SPRAYFOAM Professional - Summer 2017 - 25

T

here's an old joke about the way HVAC contractors once
sized equipment before an installation: If they stood
100 feet from the house and held up their fingers, a structure
that could be blocked from view by three digits would take
a three-ton system, and one that required four digits would
take a four-ton system.
That might work out now and again, but the reality is that
choosing the right size HVAC is a more complicated process-
and when that process isn't properly followed, problems such
as odors can be the unfortunate result.

"I believe-and espouse in each of my training presentations-that every spray foam contractor should be joined at
the hip with an HVAC contractor," said Mac Sheldon, industry
veteran and founder of Sheldon Consulting. "They need to
work together, and they need to make sure the homes they're
responsible for are done well, done right."
At the close of 2016, members of the Spray Polyurethane
Foam Alliance (SPFA) met with members of Air Conditioning
Contractors of America (ACCA). The informal gathering
served to discuss common challenges and build relationships going forward.
"There were no particular issues that precipitated the
meeting," said Rick Duncan, SPFA technical director. "But a
common complaint we get about spray foam is the odor issue.
It doesn't happen a lot; a small percentage of the jobs result
in odors related to the foam, and it is often due to improper
or inadequate ventilation." 
In some cases when spray foam is used to insulate a house,
Duncan said, it seals the house up so well that it prevents
the natural air exchange needed for maintaining air quality.
"The odors from hundreds of thousands of products in the
house will accumulate: carpeting, paint, and one of the biggest
culprits, furniture," Duncan said. "If you have a leaky house,
and it's not very air efficient, the natural air movement in the
house will remove odors. But with spray foam, you don't have
significant natural ventilation."
To make matters worse, an HVAC contractor who sizes a
system for a house insulated traditionally with fiberglass or
cellulose will often oversize, perhaps not recognizing that
spray foam can save 25-30 percent of heating and cooling
energy. Whether new construction or retrofit, the HVAC contractor should be aware spray foam will be used-and should
plan accordingly.
Barton James, senior vice president of government relations
for Air Conditioning Contractors of America, attended the meeting last year. The overarching issue for ACCA is the recognition
of quality installation to ensure energy savings, comfort, air
quality and safety. A study by NIST, the National Institute of
Standards and Technology, showed that most homes in the
U.S. used 30 percent more energy than they should, because
their HVAC systems were not properly installed.
"There are 6 million residential HVAC sales in the country
each year," James said. "So this is big business. The rule of
thumb for homes is that generally they have equipment that's
twice the size it needs to be, and their ducts are half the size
they need to be. This equals a 14 SEER system is operating
at 8-10 SEER. When you add into the mix all the wonderful properties of spray foam insulation, resulting in tighter
homes, the oversized HVAC and undersized and leaky ducts
are only compounded."
As a result, he said, it's critical for HVAC-R contractors and
spray foam contractors to coordinate on projects to ensure
happy and safe customers.
"It's really important that we work together, and have
knowledgeable people on both ends, from the insulation
side and the HVAC side," he said. Associations like ACCA and
www.sprayfoam.org

| SPRAYFOAM PROFESSIONAL 25


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Table of Contents for the Digital Edition of SPRAYFOAM Professional - Summer 2017

Sprayfoam 2017 Wrap Up
How SPF and Hvac Contractors Should Work Together
Bringing Spray Foam to Social Media
2017 SPFA Contractor Awards
California STSC Announces Next Regulatory Stage for SPF
Engaged Employees Make or Break Your Business
Ask the Expert
Executive Director’s Corner
President’s Post
Foam Business News
SPFA Today – Membership News & Numbers
Legislative Update
Calendar of Events
Index of Advertisers | Advertisers.com
SPRAYFOAM Professional - Summer 2017 - Intro
SPRAYFOAM Professional - Summer 2017 - cover1
SPRAYFOAM Professional - Summer 2017 - cover2
SPRAYFOAM Professional - Summer 2017 - 3
SPRAYFOAM Professional - Summer 2017 - 4
SPRAYFOAM Professional - Summer 2017 - 5
SPRAYFOAM Professional - Summer 2017 - 6
SPRAYFOAM Professional - Summer 2017 - Executive Director’s Corner
SPRAYFOAM Professional - Summer 2017 - 8
SPRAYFOAM Professional - Summer 2017 - President’s Post
SPRAYFOAM Professional - Summer 2017 - 10
SPRAYFOAM Professional - Summer 2017 - 11
SPRAYFOAM Professional - Summer 2017 - Foam Business News
SPRAYFOAM Professional - Summer 2017 - 13
SPRAYFOAM Professional - Summer 2017 - SPFA Today – Membership News & Numbers
SPRAYFOAM Professional - Summer 2017 - 15
SPRAYFOAM Professional - Summer 2017 - Sprayfoam 2017 Wrap Up
SPRAYFOAM Professional - Summer 2017 - 17
SPRAYFOAM Professional - Summer 2017 - 18
SPRAYFOAM Professional - Summer 2017 - 19
SPRAYFOAM Professional - Summer 2017 - Legislative Update
SPRAYFOAM Professional - Summer 2017 - 21
SPRAYFOAM Professional - Summer 2017 - 22
SPRAYFOAM Professional - Summer 2017 - 23
SPRAYFOAM Professional - Summer 2017 - How SPF and Hvac Contractors Should Work Together
SPRAYFOAM Professional - Summer 2017 - 25
SPRAYFOAM Professional - Summer 2017 - 26
SPRAYFOAM Professional - Summer 2017 - 27
SPRAYFOAM Professional - Summer 2017 - 28
SPRAYFOAM Professional - Summer 2017 - 29
SPRAYFOAM Professional - Summer 2017 - 30
SPRAYFOAM Professional - Summer 2017 - Bringing Spray Foam to Social Media
SPRAYFOAM Professional - Summer 2017 - 32
SPRAYFOAM Professional - Summer 2017 - 33
SPRAYFOAM Professional - Summer 2017 - 2017 SPFA Contractor Awards
SPRAYFOAM Professional - Summer 2017 - 35
SPRAYFOAM Professional - Summer 2017 - 36
SPRAYFOAM Professional - Summer 2017 - 37
SPRAYFOAM Professional - Summer 2017 - California STSC Announces Next Regulatory Stage for SPF
SPRAYFOAM Professional - Summer 2017 - Engaged Employees Make or Break Your Business
SPRAYFOAM Professional - Summer 2017 - 40
SPRAYFOAM Professional - Summer 2017 - Ask the Expert
SPRAYFOAM Professional - Summer 2017 - Index of Advertisers | Advertisers.com
SPRAYFOAM Professional - Summer 2017 - cover3
SPRAYFOAM Professional - Summer 2017 - cover4
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