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  1. #1
    Machine Gunner electronman1729's Avatar
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    Default Sealing Air Ducts from Inside - Aeroseal ?

    Has anyone used a service to seal air ducts from the inside with the aerseal?

    Been thinking of doing this and have a few concerns.

    1. Cost
    2. Effectiveness
    3. Reduction in effectiveness of the heater.

    Is there anyone on the forum that can perform this service?

    Last edited by electronman1729; 12-06-2019 at 23:25.
    Deplorable millennial born 30 years too late

  2. #2
    Witness Protection Reject rondog's Avatar
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    That's pretty cool! Never heard of such a thing!
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  3. #3
    Grand Master Know It All
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    Well they didnt bother to clean the ducts they repeatedly told you were dirty before they coated the system in glue.

    1. Way more expensive than grabbing some duct sealer and going to town.
    2. It does work if applied properly and there's no large flaws in your system.
    3. It will generally make your system more effective if done properly

    My advice is to get a roll of tape and some sealer and take care of your attic and any exposed areas. Then spend your money on extra insulation, assuming you aren't selling in 5 years or less.

    Any leaks inside an interior wall cavity will simply move the btus in a less direct fashion.

    That hepa extraction filter thing doesn't get it all and your place will be coated in a thin layer of glue. You pretty much have to cover everything you dont want to scrub.

    If your home was built after about 2000 with an energy star rating it was supposed to have sealed ducts to begin with

  4. #4
    Grand Master Know It All OneGuy67's Avatar
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    We had it done a couple of years ago and we didn't encounter any mess or issues. They cleaned the duct work first and then shot in the stuff. The report we got was similar to what they described in the video. We also put in a new furnace and a/c, so our overall cost was high, but we've seen savings in monthly usage. We are also putting in new windows as we can afford them and we've seen a drastic change in that the whole house feels more comfortable and less "breezy" or cold.
    “Every good citizen makes his country's honor his own, and cherishes it not only as precious but as sacred. He is willing to risk his life in its defense and is conscious that he gains protection while he gives it.” Andrew Jackson

    A veteran is someone who, at one point in his life, wrote a blank check made payable to 'The United States of America ' for an amount of 'up to and including my life.'

    That is Honor, and there are way too many people in this country who no longer understand it.

  5. #5
    Keyboard Operation Specialist FoxtArt's Avatar
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    Default

    How much did it run? If I can ask. Working on a new install out here and never contemplated it. I doubt it saves much energy costs per se, but it seems like it would keep the supply a lot cleaner in a dusty environment.

  6. #6
    Possesses Antidote for "Cool" Gman's Avatar
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    Yeah, new windows can have a significant impact. We replaced ours several years ago and our bills went down significantly. It's also much quieter inside. Was pretty amazing how bad the old contractor-grade windows were from the builder. We were living in a whiffle ball and didn't realize it.
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  7. #7
    Grand Master Know It All OneGuy67's Avatar
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    Quote Originally Posted by OxArt View Post
    How much did it run? If I can ask. Working on a new install out here and never contemplated it. I doubt it saves much energy costs per se, but it seems like it would keep the supply a lot cleaner in a dusty environment.
    If I remember correctly, it was about $1,500. It could have been less though. It was a few years ago.
    “Every good citizen makes his country's honor his own, and cherishes it not only as precious but as sacred. He is willing to risk his life in its defense and is conscious that he gains protection while he gives it.” Andrew Jackson

    A veteran is someone who, at one point in his life, wrote a blank check made payable to 'The United States of America ' for an amount of 'up to and including my life.'

    That is Honor, and there are way too many people in this country who no longer understand it.

  8. #8
    Gong Shooter
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    I guess my opinion is leaking duct work is not a huge problem, on the supply it is conditioned air and still conditions your house, the supply I am all in favor or leak because we live in Colorado and there is no such thing as too much return air, especially in a house that has inherently bad air flow to start with. It?s not like your measuring D.P. Like we do in labs.

    also a bucket of that duct sealer is like 30 bucks or so and can seal your house a few times over probably
    Last edited by fitterjohn; 12-07-2019 at 17:22.

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