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  1. #1
    Join Date
    Feb 2005
    Posts
    39

    Question

    Will there be a difference in a Trane or Rheem heatpump supply temp if all other conditions are the same?

  2. #2
    Join Date
    Apr 2003
    Location
    Iowa
    Posts
    763
    I'd say there would be a difference if you put identical equipment side by side.

  3. #3
    Join Date
    Feb 2005
    Posts
    39
    which one would be warmer if there was a 70 degree return temp on a 40 degree day?

  4. #4
    Join Date
    Jan 2003
    Location
    Kentucky
    Posts
    2,651
    freon is a temperature pressure creature,so it therefore,can not be defined the way you are trying.....you should always strive to see a 20 degree temp. drop across coil in summer and a 20 degree temp. rise across coil in winter.....again,temperature and pressure effect your supply air temp.,as does the age of system,are the coils clean?,and what type of metering device is in use?,and blower speed tap?...that being said,20 degree rise/drop can not always be attained,but try to get as close to this as possible

  5. #5
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    66,803
    Unfortunately all else will not be the same.

    Your asking for your house I presume.

    Without installing each one in your house and testing it, no way to know for sure.

    One unit may have a better blower curve, and that one would have a lower output temp, but not be the lesser unit.
    It would more likely deliver more BTU's.

    Trust your contractor.
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  6. #6
    Join Date
    Nov 2004
    Location
    SW FL
    Posts
    5,994

    Thumbs up Evaluation Complexity

    Originally posted by help3
    Will there be a difference in a Trane or Rheem heatpump supply temp if all other conditions are the same?
    Do you really care if the RHEEM delivers a
    2'F +/- Higher temperature and Significantly LESS overall heat CAPACITY?
    --------
    .
    .
    .
    .
    YES!
    Designer Dan
    It's Not Rocket Science, But It is SCIENCE with "Some Art". ___ ___ K EEP I T S IMPLE & S INCERE

    Define the Building Envelope and Perform a Detailed Load Calc: It's ALL About Windows and Make-up Air Requirements. Know Your Equipment Capabilities

  7. #7
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    33,398
    I personally find that the higher the SEER the warmer the temp is. Probably from having the large outdoor coil to bring heat in from outside. Also I find that scrolls do a better job of heating in cold weather than recips. I know there is a technical explation but can't recall it. ALSO, make sure blower speeds are set to no more than 400 CFM per ton!

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