flex duct

The Two Main Reasons Your Ducts Don’t Move Enough Air

Posted on March 26,2015 by ab3 in air flow

Two things. Just two things in your ducts are responsible for giving the blower in your furnace or air handler a hard time. They make the blower push against more pressure, thus reducing air flow or increasing energy use, depending on blower type. They cut the amount of air that gets delivered to the rooms. And they can be reduced but not eliminated. Do you know what they are?

The Lipstick-on-a-Pig Million-Dollar Home Syndrome

Posted on March 26,2015 by ab3 in atmospheric combustion

I wonder about a lot of things. I wonder what life would be like if gravity were stronger. I wonder why Americans don't dance more. I wonder why so many people who can afford million-dollar homes get cheapo HVAC systems. That last one bugs me more more than the first two, by the way. It weighs on my mind because cheapo HVAC seems so out of step with the rest of a million-dollar home.

How to Install Flex Duct Properly

Posted on March 26,2015 by ab3 in Air Diffusion Council

I've written a lot about duct problems (especially those in flex duct) because they're so abundant. A couple of years ago, I even wrote an article in the Energy Vanguard Blog about whether or not flex duct should be banned. My answer was no — but that we need better quality control.

Should Flex Duct Be Banned?

Posted on March 26,2015 by ab3 in Bailes

Ah, flex duct. That bane of home performance contractors and green builders everywhere. If you’ve seen only one forced-air duct system that uses flex, you’ve most likely seen a bad installation.

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