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Thread: heat ?

  1. #1
    Join Date
    Feb 2006
    Location
    pearland,Tx
    Posts
    3

    Talking

    here's my problem-- homeowner has problem heating bottom floor,(two story home) has 50.000btu trane gas furnace. in the summer cools fine, but in the winter does'nt heat that well. homeower put plug in heater by R/A when regular heat was running --unit did fine-- here's my ? would putting a 70.000BTU 3 Ton in place of the 50.000BTU 3 Ton make up the difference needed to push the heat to satisfy the needed heat??

  2. #2
    Join Date
    Mar 2004
    Location
    SE Michigan
    Posts
    18,094
    A load calculation needs to be done. This will tell you the size of the equipment needed for the home.
    To put the world in order, we must first put the nation in order; to put the nation in order, we must put the family in order; to put the family in order, we must cultivate our personal life; and to cultivate our personal life, we must first set our hearts right.
    -- Confucius

  3. #3
    Join Date
    Feb 2006
    Location
    pearland,Tx
    Posts
    3
    heat was done 10 years ago when first installed, lets say for example we bump the furnace to a 4 ton 70.000BTU- heat now works fine -now what did we do to the cooling cycle----overload----

  4. #4
    Join Date
    Jul 2002
    Posts
    962
    To many varables to tell without seeing the house. I agree, you need a load cal done, but also need to look at other things as well. How is the upstairs in heating season?

  5. #5
    Join Date
    Aug 2002
    Posts
    1,649
    As stated a complete room by room load calculation is needed.. Then if the current unit comes out to be the proper size, that means the ductwork is either the wrong size or it needs to be balanced properly for winter and then again for summer by having balancing dampers installed and in places where they can be adjusted properly.. This will require a balometer or tranverse to set the airflow(cfm) properly required for each room and mark the damper settings for summer and winter.. That is if the ductwork is the correct size and located properly and dampers can be located to where they can be adjusted each season..

    If the ductwork is not correctly sized, then the ductwork must be redone properly and this would be a good time to sell a proper zone system..

    Goodluck
    J

    Make sure when adjusting balancing dampers to take TESP and make sure the equipment is moving the required cfm needed and not adding undo stess on the equipment.

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