featured He Said Wind Issues . . .
Now there's a solution for your wind issues! No, not THAT kind . . . Blower Door tests measure the pressure inside a home relative to the pressure outside. If...
Retrotec's Newly Updated Design Debuts Soon
Announced back in July, Retrotec is about to start shipping their newly designed duct testers and blower doors... What's the Difference? The primary change surrounds the shell design. A new...
Retrotec Announces Design Changes
Per Retrotec, Ltd. What's the Difference? A new polycarbonate plastic mold design is now used, allowing for the DucTester legs and handle to be incorporated into the shell. The updated design...
Duct Leakage Test: Post Install or Final?
When is the best time to do duct leakage testing? If you're an HVAC Installer, you'll want to protect yourself with the inspection occurring just after you complete your install. You...
Retrotec Price Increase
It's been a few years since the prices have changed on Retrotec's Duct Testers and Blower Doors, but as of Dec 1, 2018 the prices have gone up. As of December...
Water vapor through a barrier?
Question: What's the unit of measure for water vapor through a barrier? Answer: Perms (and what a sweet one that is!) While the hairdo may not be as influential as...
How Much Can You Save with Vent Caps?
Most contractors and energy assessors are familiar with the pains of using vent tape for duct leakage testing. To seal a register, you start by pulling your vent tape out from the roll, taking maybe two or three attempts to get a wrinkle-free sheet. Then you apply the tape to the surface of the register, hoping to get a proper seal the...