(206) 949-5683, Top Rated Plumber, Seattle
Results 1 to 7 of 7

Thread: HVAC remodel

  1. #1
    DIY Junior Member
    Join Date
    Feb 2007
    Location
    Newhall, Ca.
    Posts
    3

    Default HVAC remodel

    Hi all, before I start to call contractors I would like to know what A/C brands are best or at least what to avoid, any opinions or sources I might use to identify.

  2. #2
    Plumber Cass's Avatar
    Join Date
    Nov 2005
    Location
    Ohio
    Posts
    5,984

    Default

    In my NSHO Trane and Rheem /Rudd makes the best.

  3. #3
    Retired Defense Industry Engineer jadnashua's Avatar
    Join Date
    Sep 2004
    Location
    New England
    Posts
    21,399

    Default

    If you are replacing an existing one, do not necessarily just replace it with one the same size. It might be too large. You can achieve the best comfort by having it properly sized. If the heat load calculations are in-between two generally available sizes, you'll be more comfortable usually with the smaller one. The reason for this is that a properly sized one will run longer, pulling more humidity out of the air. Dryer air feels more comfortable than the same temperature air with a high humidity. Ideally, the thing would run continuously.

    If you are going to change the furnace or air handler, the next big thing you can do is opt for a variable speed fan. Trane advertised awhile ago that in the same house, with the same a/c unit, just switching the fan to a multiple speed unit allowed it to extract enough extra moisture from the house over a season to fill an average backyard swimming pool. By running slowly when starting up, the air gets colder, extracting more moisture. It would only ramp up to high speed if it needed to run for over a particular time, and it did it in stages. When it stopped, is also slowly dropped in speed, extracting all of the energy you put into the coil.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  4. #4
    DIY Junior Member
    Join Date
    Feb 2007
    Location
    Newhall, Ca.
    Posts
    3

    Default HVAC remodel

    Quote Originally Posted by franktaylor
    Hi all, before I start to call contractors I would like to know what A/C brands are best or at least what to avoid, any opinions or sources I might use to identify.
    I really appreciate all feedback & opinions, especially the "boring" details (I'm an engineer type). I should mention that this house is my first 2 storey & IMHO may need to be reducted or zoned or both.

    I'm trying to get enough info to sort out the guys that "know their stuff" from the ones that just want a "slamdunk".

  5. #5
    DIY Junior Member chas22's Avatar
    Join Date
    Dec 2006
    Location
    Oklahoma
    Posts
    25

    Default

    1st Rudd/Rheem, 2nd Goodman/Janitrol

  6. #6
    Retired Defense Industry Engineer jadnashua's Avatar
    Join Date
    Sep 2004
    Location
    New England
    Posts
    21,399

    Default

    Most of the new models use a scroll compressor. Smoother and quieter than a piston type. Supposed to be easier on seals as well. WOrth investigating.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  7. #7
    DIY Senior Member SteveW's Avatar
    Join Date
    Feb 2005
    Location
    Omaha, NE
    Posts
    1,042

    Default

    Quote Originally Posted by jadnashua
    Most of the new models use a scroll compressor. Smoother and quieter than a piston type. Supposed to be easier on seals as well. WOrth investigating.

    Also last longer.

    MUCH quieter, if you spend any time around the outside unit while it's running.

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •