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  1. #1
    Join Date
    Jan 2005
    Location
    Seattle
    Posts
    191

    Hmm

    I just got back from a bid.The guy really wants to put the condenser under his deck.First I got to say it really is the only place that it could resonably go.Very pricey homes built right on top of each other on a hill side.Any other choice of locations puts the damm thing in someones bedroom window or on the front porch.NOT so good.It looks like there is enough room to put a say a 16 to 20 inch dia. duct with a elbow and maybe a bell shaped hood.I was thinking(ohch) that I might be able to "vent" the output of the condenser about fifteen feet out from under the deck.So..... is this a functional idea or are the meds running away with me and I am just enjoying the ride!

    41GASMAN

  2. #2
    Join Date
    Aug 2002
    Location
    Office and warehouse in both Crystal River & New Port Richey ,FL
    Posts
    18,836
    It's the meds,the outdoor fan was not designed with ducting in mind.

  3. #3
    Join Date
    Feb 2003
    Posts
    1,996
    Aren't there horizontal fan condensors you could get like the ones the Mini-splits use? I put my ductless condensers under my open deck, no problem.

  4. #4
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    33,886
    Bard makes a front discharge 10 SEER and Bryant/Carrier has their front discharge commercial unit in 12 SEER.

  5. #5
    Join Date
    Dec 2004
    Location
    Derby City
    Posts
    3,958
    something else to keep in mind is when your pricey homeowner is enjoying grilling on the deck with a hot blast of air shooting up his shorts. I agree with others that the units are not designed to have any restriction (duct or otherwise) at the discharge side of the condenser. Side discharge would obviously work, and I have placed them under a deck that had a full 8+ feet of clear span above them. Otherwise, I wouldn't try to do something with the equipment it wasn't designed to do.
    Everyone has a purpose in life..........even if it's to be a bad example.

    Seek first to understand, before seeking to be understood.

  6. #6
    Join Date
    Apr 2004
    Location
    Maryland
    Posts
    521
    we have done this before (elbow). I would not reccommend doing this though. Not only are there performance issues, no matter how hard we tried we could not stop the vibration of the duct. It made an ungodly noise but its what the customer wanted. Advised him not to do it but you know how that goes.

  7. #7
    Join Date
    Feb 2004
    Posts
    2,597
    how much clearance between the bottom of the deck and the top of the cond you plan to install?

    you'll find the minimum allowable clearances in the install manual.

  8. #8
    Join Date
    Mar 2005
    Location
    Suppy NC
    Posts
    4,513
    41gasman
    here at the jersey shore it has to be gone sometimes even though it is not sopposeto be done. with food and property clearance there is no choice welcome to the real world is what i told a york rep once and he laughed
    we had 5 york units under a house with a closed in deck
    had to duct then to the edge of the deck. the rep gave me to total cfms of the units fans and we ran ducts with canvis connectors on the units to stop the vibration
    find out the cfm on the fan size the duct a little bigger then you need so no back pressure and give it your best shot. those units are 12 years old and not one problem as of yet except contactors and coil cleaning. worked like a charm. sometimes we have to ajust the rules to do our job.
    as long as we do it right the first time we do have to keep going back

  9. #9
    Join Date
    Apr 2004
    Posts
    7,680
    I installed one of Carriers 38HDA's (I think thats the nomenclature) under my mom's deck. If they still make that I would see about one of those. I tell you it is a quiet little bugger, Ive never been on her deck and even noticed it running. (Of course it was properly installed otherwise This had to be 8-9 years ago.

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