My Friends (159)

Luke J. Chapps

Manchester, CT, United States

Don Fitchett

Saint Louis, MO, United States

Erin Hult

Berkeley, CA, United States

Phil Camman

Toulouse, France

Stephanie@SaveOnEnergy

Dallas, TX, United States

Dan Moyle

Portage, MI, United States

Kim Tanner

Minneapolis, MN, United States

Perry Ning

Birmingham, AL, United States

john smalser

Wyalusing, PA, United States

Tyler Gillette

Bloomington, IL, United States

Ankit Gupta

Mumbai, India

John Murphy

Centreville, VA, United States

Simon Craig

Dallas, TX, United States

Marco Pritoni

Davis, CA, United States

Chester thrower III

Mc Kees Rocks, PA, United States

Sean Skorton

Mansfield, CT, United States

John Leboffe

Silver Spring, MD, United States

Kate Brinks

Palo Alto, CA, United States

Nancy Lange

Minneapolis, MN, United States

Samuel Strickland

Freeport, ME, United States

Ron Friedman

Penfield, NY, United States

Latest Activity

David Butler replied to Don Fugler's discussion joining ducts in the group HVAC
"Static pressure drop through a straight length of pipe is a function of friction rate, and friction…"
4 hours ago
Sean Wiens replied to Don Fugler's discussion joining ducts in the group HVAC
"Apparently the air passing over the PVC creates a strong static field that in turn impedes air flow."
4 hours ago
David Butler replied to Don Fugler's discussion joining ducts in the group HVAC
"Why would you think PVC has high resistance?"
4 hours ago
Sean Wiens replied to Don Fugler's discussion joining ducts in the group HVAC
"Thanks David - I was going to look at PVC for the HRV but was cautioned against it, not because of…"
4 hours ago
David Butler replied to Don Fugler's discussion joining ducts in the group HVAC
"Great post, Sean. I agree that screws are wise when joining metal ducts, but its also true that…"
5 hours ago
David Butler posted a discussion

Welcome Home Performance Forum Members (formerly RESNET BPI - Energy Audit and Home Performance)

Last month the Home Performance Forum merged with Home Energy Pros, now under the Home Performance…See More
6 hours ago
Sean Wiens replied to Don Fugler's discussion joining ducts in the group HVAC
"Various studies have indicated very little air flow along surface of duct (for ventilation - have…"
7 hours ago
Dara Bowser replied to Don Fugler's discussion joining ducts in the group HVAC
"Hi Don. We have never considered screws as impeding airflow, but I can see how in some ducts (e.g.…"
8 hours ago

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