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  1. #1
    Join Date
    Mar 2008
    Posts
    205

    Is there a "quieter" air handler?

    The better half is about ready to throw a hammer into our Armstrong. Told her that'd be even noisier-didn't go over well.

  2. #2
    Join Date
    Dec 2007
    Posts
    96
    Lennox CBX32MV air handler is the very quiet. Assuming the duct system is sized ok

  3. #3
    Join Date
    Jun 2001
    Location
    Louisville, KY
    Posts
    12,189
    Any air handler is quiet if the duct is sized correctly.
    Perhaps you should have read the instructions before calling.

  4. #4
    Join Date
    Mar 2008
    Posts
    205

    I'm googlin' it.

    Quote Originally Posted by jjer View Post
    Lennox CBX32MV air handler is the very quiet. Assuming the duct system is sized ok
    Is this their top of the line AH?

  5. #5
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,743
    Quote Originally Posted by RomulanSpy View Post
    Is this their top of the line AH?
    yes, very quiet with a properly sized duct system.

  6. #6
    Join Date
    Dec 2007
    Posts
    96
    Yes. If you want a really quiet outdoor unit the XP15 by Lennox is suppose to be the quietest.

  7. #7
    Join Date
    May 2007
    Location
    DC Metro Area (MD)
    Posts
    3,371
    A lot of the noise could be from the ductwork... have it checked out before you replace to ensure proper sizing and ample supply and return.

  8. #8
    Join Date
    Mar 2006
    Posts
    254
    Just curios. Don't you have to increase the register grill and box size when you
    go from...say 8" duct to 10" duct?

    That can make for a less than asthetic look on a wall or ceiling.

    Also, say you wanted to increase the duct work...would 8" to 10" make
    a noticable reduction in air noise in an 887 sq. ft. condo with 2 Ton?

    Or would you have to go even larger...and thus a more uglier sized register?

  9. #9
    Join Date
    Jul 2002
    Location
    Zelienople, Pa
    Posts
    2,965
    Quote Originally Posted by caslon View Post
    Just curios. Don't you have to increase the register grill and box size when you
    go from...say 8" duct to 10" duct?

    That can make for a less than asthetic look on a wall or ceiling.

    Also, say you wanted to increase the duct work...would 8" to 10" make
    a noticable reduction in air noise in an 887 sq. ft. condo with 2 Ton?

    Or would you have to go even larger...and thus a more uglier sized register?
    Do you want less noise or a smaller register?
    This is your choice. You've asked the question 100 different ways on this forum.
    Increase the duct size AND register.
    Are you really going to notice the difference in size?
    How tall are you Private???!!!!

  10. #10
    Join Date
    Mar 2006
    Posts
    254
    Quote Originally Posted by Gunnery Sergeant Hartman View Post
    Do you want less noise or a smaller register?
    This is your choice. You've asked the question 100 different ways on this forum.
    Increase the duct size AND register.
    Are you really going to notice the difference in size?
    Nah...just when I have my eyes open, or try to sell the place later on.

    Your replies to mine keep getting more useless.

    I asked if going from 8" to 10" ductwork and larger register is a significant enough upsize to
    make any appreciable difference in noisy airflow. I can handle increasing my current 12 x 6
    duct box to the next bigger size (which is a register box for 10" flex ducting).

    A bigger wall register would be needed.

    Ya I don't want to get gigantic ugly on my walls. Is that hard to comprehend?

    I live in a condo...not a gymnasium.

    To anyone else following this, I just recieved a rather large shipment of 2" thick fiborous material which I just cut and fitted into my hallway closet cavity return area.

    Huge improvement in sound.

    I've ordered more sound blocking/absorbing 1" closed cell foam for the furnace closet, which is located in my lap (small condo).

    I'll forgo increasing the duct size, but run a loop duct off the plenum back to my "too short" LR vent box.
    Don't worry, I will mosey it back in a round about way as it should go.
    That should practically take care of my "noise" issues and all my posts here.

    It's been fun, but i got more help from ppl with a home theatre system and AC noise than
    you nuts and bolts types here.

    hehee. Also...damn, quieting down a system in a small condo can get expensive with all the "materials" out there.

    You guys have been cool.

  11. #11
    Join Date
    Apr 2008
    Location
    Florida
    Posts
    33

    im only seeing bits about your problem

    im thinking that you have a vertical airhandler and are using a closet for the return theres two ways to get it quieter and perform better
    1) turn the blower fan speed down
    2)add a return somewhere else and tie into it (make two grills one in the closet one in hallway or living room connect with say 10" flex use 12x12 return boxes) you wouldnt need any filters because its using the closet) ** this is a pass through
    if im wrong make the plenum bigger and add a return (meaning it was horizontal Goodluck

  12. #12
    Join Date
    Jun 2001
    Location
    DFW
    Posts
    684
    Quote Originally Posted by RomulanSpy View Post
    The better half is about ready to throw a hammer into our Armstrong. Told her that'd be even noisier-didn't go over well.
    If the duct work is designed right, just about any modern air handler will be quiet.

    I have a 14SEER Trane with a variable speed blower in my basement. My basement is VERY quiet.

    If I am standing right next to the air handler, I can hear it. If I am anywhere else in the basement and listen very carefully, I can hear it.

    Upstairs, I put a streamer on one of the registers so that I could tell when the blower was on. Even with everything else in the house off, it is impossible to hear.

  13. #13
    Join Date
    May 2007
    Location
    DC Metro Area (MD)
    Posts
    3,371
    Quote Originally Posted by paul42 View Post
    If the duct work is designed right, just about any modern air handler will be quiet.

    I have a 14SEER Trane with a variable speed blower in my basement. My basement is VERY quiet.

    If I am standing right next to the air handler, I can hear it. If I am anywhere else in the basement and listen very carefully, I can hear it.

    Upstairs, I put a streamer on one of the registers so that I could tell when the blower was on. Even with everything else in the house off, it is impossible to hear.
    Don't you cool 4000 sq. ft. with 2 tons?

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