Hey Ed, is zeroing your gauges calibrating them?
In this edition of “Hey Ed,” Ed discusses how zeroing your gauges is not the same as calibrating them.
Author: Ed Janowiak
Ed Janowiak is ACCA's Manager of HVAC Design Education and can be reached at ed.janowiak@acca.org or 703-824-8878.
MEMBER EXCLUSIVE
Login to access this member exclusive. Not a member? Join now!
Manual D® or duct design: How are you calculating airways?
Something I’ve observed for quite some time, but it seems to need more attention lately, is how we are actually sizing airways— commonly referred to as ductwork. I appreciate when people say they’re using the Manual D® process when discussing duct designs.
Hey Ed, what does our coil temperature (suction saturation temperature) look like?
In this edition of “Hey Ed,” Ed discusses suction saturation temperatures.
Hey Ed, what is the difference between an air handler, a fan coil, and a furnace?
In this edition of “Hey Ed,” Ed discusses the differences between air handlers, fan coils, and furnaces.
Hey Ed, Will asks, “What’s your favorite go-to Manual D® software?”
In this edition of “Hey Ed,” Ed discusses the best way to do your Manual D® calculations.
Hey Ed, can a home’s location be substituted for another location with similar weather?
In this edition of “Hey Ed,” Ed discusses substituting a home’s location for another.
MEMBER EXCLUSIVE
Login to access this member exclusive. Not a member? Join now!
Is it necessary to have a return duct in every room?
Is one return enough? Had a conversion will a fella about a topic I hear about far too often. He had someone ask (require) for there to be a return in every room. I knew Manual D® didn’t say that.
MEMBER EXCLUSIVE
Login to access this member exclusive. Not a member? Join now!
Managing Expectations
Ed Janowiak reflects on an enlightening experience at the Westford Symposium, where Today’s Building Science’s Greg Stockton’s thought-provoking, evidence-backed question sparked a valuable conversation about good HVACR system design.
