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Type: Posts; User: fmayberry

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  1. Replies
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    The furnace does have a variable speed blower. ...

    The furnace does have a variable speed blower.

    When it is very hot and the A/C runs frequently, there is no humidity problem. It is during cooler days (say upper 70's) when the unit runs less but...
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    Honeywell Vision Pro IAQ

    I have the Trane XV80 (80,000 btu) furance combined with a XL-14i (2.5 ton) compressor and Aprilaire 700 humidifier. The current controls are a single stage White Rogers theromstat and a manual...
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    When my Trane XV80 furnace goes to second stage,...

    When my Trane XV80 furnace goes to second stage, there is a banging sound as if there is a damper opening and closing at a random rate. The sound is quite loud. There is no sound in the first stage...
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    Unfortunately, the duct is a single run. The...

    Unfortunately, the duct is a single run. The furnace is off to one end of the house with the supply and return duct running down the middle of the basement ceiling for about 40.

    Is the only...
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    BaldLoonie - Thanks for the input. Based upon...

    BaldLoonie - Thanks for the input.

    Based upon those figures, I might need to see about some possible duct work. The system has 2.5 ton A/C and a 80% variable speed furnace with a second stage of...
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    The outside of the duct is 7"x22". The ducts are...

    The outside of the duct is 7"x22". The ducts are original to the house, 48 years old. Also the basement is very shallow, just over 7' tall.
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    I have some questions regarding my residential...

    I have some questions regarding my residential HVAC system.

    First, the supply and return ducts are made of sheet metal and sized 7"x22". What is the CFM capacity of that size duct? Is there a...
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