Search Results - HVAC-Talk: Heating, Air & Refrigeration Discussion

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  1. Thanks motoguy128 for sharing. Me living in Cali,...

    Thanks motoguy128 for sharing. Me living in Cali, which probably is alot warmer where you live, and the fact that we have about the same size house, it looks like my HVAC is way too big. 115K BTUs @...
  2. All grills are ceiling mounted. Thanks!

    All grills are ceiling mounted.

    Thanks!
  3. It's about 35F outside, and 59F inside. I can run...

    It's about 35F outside, and 59F inside. I can run the furnance from 59F to
    63F in < than 30 minutes.

    Thanks!
  4. motoguy128 thanks again! I have the upstairs...

    motoguy128 thanks again!

    I have the upstairs zone damper adjusted to stay open about 30 degrees open position (approx. 67% closed) when the downstairs zone is only used. That seems to really help,...
  5. Thanks motoguy128. I actually adjusted the...

    Thanks motoguy128.

    I actually adjusted the other zone to remain open a bit, and it has helped. What I can't figure out is why only the downstairs overheats while the upstairs works fine?

    The...
  6. Overheating

    Thanks guys for your reply.

    I verified that the downstairs damper is full open when that zone is selected.

    There is no bypass damper installed in the system. Is that something I should look...
  7. Carrier Furnace short cycling in a dual zone system

    Hi everyone,

    I'm new to this site and I have a question that nobody seems to be able to answer. I have a dual zone heat/ac system in my 3100 sqft 2 story home.
    Recently my heater has been short...
  8. I have the same issue

    Hi everyone,

    I have the exact same problem.


    Two story home, approx. 1600 sq. ft. upstairs, and 1500 sq. ft downstairs.

    2 zone control.

    Carrier Model 58 RAV
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