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Thread: one cold room

  1. #1
    Join Date
    Nov 2010
    Location
    indiana
    Posts
    19

    one cold room

    The cold room is farthest from the furnace. All ductwork is in a crawl space which is not insulated but not cold. The cold room shares a return with the adjoining room. There is a 3/4 inch gap under the door which allows some air to return to the common areas of the house. Would a constantly running fan help? Is there a good strategy to moderating the heat in the house/ improving the airflow to/from this room?

  2. #2
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,108
    Running the fan will help, but can't sy how much. Not enough info about the room or duct system.
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  3. #3
    Join Date
    Jul 2004
    Location
    Massachusetts
    Posts
    6,837
    Any reputable company that does duct installations should be able to help out. You'll know if they're reputable if the insist on doing a full room-by-room load analysis before they'll touch the duct system. A good tech can just look at the ducts and often see issues. But that does not give him/her the total picture. So...start with the phone call and the appropriate question, "How do you size ductwork?" If they don't say something to the affect of "By doing a load analysis", or "By Manual 'D'" then keep looking. It'll probably take a bunch of calls before you find the right company. But when you do, please mark their number in your favorites notebook for reference now and forever, as you've found a winner and while costing more, their worth their weight in comfort.
    If YOU want change, YOU have to first change.

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  4. #4
    Join Date
    Aug 2003
    Location
    Fort Worth, TX
    Posts
    11,347
    Does the room stay warmer if the door is left open?

    If not, it's not likely starved for return air. It's starved for SUPPLY air.
    • Electricity makes refrigeration happen.
    • Refrigeration makes the HVAC psychrometric process happen.
    • HVAC pyschrometrics is what makes indoor human comfort happen...IF the ducts AND the building envelope cooperate.


    A building is NOT beautiful unless it is also comfortable.

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