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Thread: How big?

  1. #1
    Dan Blanchard's Avatar
    Dan Blanchard Guest

    Default How big?

    This is a Trane Model Number. How many ton would you say this is? It is 2 years old and cools a 1,100 square foot 1969 site built home.
    TWE037E13FB1
    Thanks

    Certified Master Inspector CMI

  2. #2
    Ted Menelly's Avatar
    Ted Menelly Guest

    Default Re: How big?

    I have run into this a few times. The link below will tell you some info





    What’s the Trane TWE037E13FB1 Designed For? [Archive] - HVAC-Talk: Heating, Air & Refrigeration Discussion


    Ted


  3. #3
    Join Date
    Mar 2007
    Location
    Spring Hill (Nashville), TN
    Posts
    5,829

    Default Re: How big?

    Quote Originally Posted by Dan Blanchard View Post
    This is a Trane Model Number. How many ton would you say this is? It is 2 years old and cools a 1,100 square foot 1969 site built home.
    TWE037E13FB1
    Thanks
    Ted gave you a link that tells you what you have. The best way I have found is to just look at the numbers. Look for numbers that are close to being multiples of 12. The "37" in the middle would tell you that this is a 3 ton system, which could be a little big for an 1,100sf home.

    Using this method to figure out the size of of a condenser unit works I would say about 90% of the time.

    Scott Patterson, ACI
    Spring Hill, TN
    www.traceinspections.com

  4. #4
    Join Date
    Oct 2003
    Location
    Rockwall Texas
    Posts
    4,517

    Default Re: How big?

    Had an reputable HVAC guy tell me the other day, that now when they order or buy a condensing unit it is actually downsized 1/4 ton than labeled.

    Example would be a 3ton would be a 2.75 ton.

    Has anyone heard this.

    rick


  5. #5
    Ted Menelly's Avatar
    Ted Menelly Guest

    Default Re: How big?

    Sorry, I gave the wrong link. I have several but that one at least told you something about it.

    Yeah, What Scott said.

    I actually did find that link interesting

    That whole thing about the more efficient unit the smaller the unit for the square footage. The temp differential was talked about the other day. When I say temp differential I mean between the return and supply vents. The more efficient the units the lower that differential is. The three ton today had no more than 12 degrees difference. I think I will have to sit back and inspect these more efficient units and get feed back from folks with them over time before I agree with all that. One thing is I have been hearing about much lower cooling costs. I guess that is a big plus.


    Ted


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