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  1. #14
    Join Date
    Jun 2009
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    Thread Starter
    Quote Originally Posted by green jumper View Post
    there are lots of air handler designs, ones that look like pictures, ones that look like vents on the ceiling. As far as outdoor they look like any other condenser though smaller and compact
    Understood. I can sell her on the vents on the inside, but NO chance of selling her on having something running up the side of the house (from the compressor to the air handler). The room where it would goes is on the 2nd floor.

    I am going to go w/ the wireless T-Stat solution.

    Thanks for the advice.

  2. #15
    Join Date
    Jun 2009
    Yakima, Wa
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    I am also looking at retro a zoned system

    I have been looking into retro fitting a zoning system into a house that is about 30 years old.

    Here is what I know so far...

    It is expensive...maybe $ depending on how fancy the system or how much demolishion you have to do to get to the ducts.

    There are pneumatic dampers like the type arzel does. There is a damper that goes at the end of each duct and a air tube that goes all the way back to a compressor that operates the dampers.

    Plan B is to get access to the my case, that means demolishing the ceiling in my basement and replacing it with a false ceiling like in offices. That of course is a no-go. IF it were, the dampers would be electrical.

    So then you have these zones and you need to get the air flow balanced for the rooms. Otherwise you just can't cram all the air flow into a bathroom.

    The mytemp system hasn't been discussed on this site, but they do have some good videos about what it takes to retro their system. I would imagine Arzel to be similar.
    Last edited by beenthere; 07-04-2009 at 07:59 AM.

  3. #16
    Join Date
    Feb 2004
    Wadsworth, OH
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    Quote Originally Posted by vegas_guy View Post

    The room has pleanty of air flow when the unit it is running. Just want to be able to turn it on/off without effecting rest of house.
    The Arzel "AloneZone" was designed to do just what you are looking for.

    It will allow that "Zone" to be included in the heat/cool cycle of the main t-stat or it can be shut down (dampers closed). That zone will not be allowed to bring the system on by itself.

    Shutting down that small zone will have very little if any effect on the systems operation.

    A second system...what are you guys thinking?

    "When you perceive zoning not as a bandage but as an enhancement, you truly understand the dynamics and limitations of forced air heating and cooling"

  4. #17
    Join Date
    Aug 2008
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    I had initially thought the same thing. I also thought that the OP could completely eliminate the zone panel by hiring an HVAC Pro to wire a thermostat directly to a normally open a damper to shut off the room once
    the temperature set point is reached.

    However, I noticed that the OP stated he wanted to be able to turn the system "on/off without affecting the rest of the house". This solution along with your suggestion wouldn’t help with turning the system “on” without affecting the rest of the house.

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