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  1. #14
    Im pretty sureyour mistaken about the size of your system. If the contractor said there isnt a larger size unless you to commercial then you would have a 5 ton. Check the model number of the condenser unit outside it should read 060 somewhere near the end of the model number. That would mean 60,000 BTU or five tons. If you have a 2 ton unit it would read 024 in the same location. Janitrol is not top of the line in any case. As a matter of fact it is one of the lowest cost units out there. But installed properly will give you years of service. Call another company to give you a second look. The service call may be worth your peace of mind.

  2. #15
    Join Date
    Sep 2001
    Location
    Vancouver Canada
    Posts
    996
    First step, call installer

    Second step, get all readings that he takes, ie: pressure and temperature of line sets, outdoor temp, indoor temp, temperature entering return air, temperature at closest register.

    third step, get model numbers off of unit.

    forth step: Post all those readings and model numbers here.

    Only on this basis can anyone on here give you any information or advice on this system. Otherwise it is looking at a car in the newspaper and guessing about the size of the motor and condition of same. Get the numbers or don't waste bandwidth on here.
    "Go big or Go Home"

  3. #16

    A/C Not cutting it

    You should have at least a 5 ton unit based on your square footage. And you clearly did not get the top of the line a/c. However if you are trying to cool a smaller section of your home, for say one room at 800 square feet. It would work okay for you. I suggest you get an additional 4 ton unit put in for your comfort needs. To check your current a/c for cooling to optimum performance, Subtract the difference of temperature coming out of the registers from the temperature going into the filter. If you are less than 17, then despite your size of unit, the unit is not performing for you.

  4. #17
    Join Date
    Feb 2005
    Posts
    40
    First,get a heaload calculation done on your home from a reputable dealer. Contact the closet ACCA (Air Conditioning Contractors of America) branch office nearest you for a list of reputable dealers that are capable of performing heaload calculations. Second, call your installer and ask him what he based his sizing or guessatmation on. Ask him to show you a Manual J heaload calculation, that is if he knows what one is. Take dhvac and dan sw fl's advice.

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