Results 1 to 6 of 6
  1. #1
    Join Date
    Oct 2005
    Location
    Ottawa
    Posts
    3

    Hmm

    Our home is currently heated by a gas furnace, as is our hot water. We had central air conditioning installed six years ago.
    Will our existing systems be able to handle the needs of an addition being built on to our house (an extra bedroom and bathroom)?

  2. #2
    Join Date
    Jul 2002
    Location
    Zelienople, Pa
    Posts
    2,965
    no
    How tall are you Private???!!!!

  3. #3
    Join Date
    Aug 2002
    Location
    Southold.calm
    Posts
    4,875
    The only way to answer that is to have a heat load/loss done.

  4. #4
    Join Date
    May 2002
    Location
    MEDIA PA
    Posts
    1,361
    It would depend on how tight a heat load your HVAC contractor did if it was tight,mostly not. If he just replaced what was there you have a chance. Make sure if you use your present system,they run a trunk from the furance to the addition. Dont be cheap or you will not be happy. Remember you get what you pay for or less mostly less. Hug your kids.

  5. #5
    Join Date
    Aug 2002
    Location
    Office and warehouse in both Crystal River & New Port Richey ,FL
    Posts
    18,836
    Load calculation as staed is the answer,Red tab at the top of the page will let you do it yourself.


    The truth is most homes are already oversized,so there's a good chance yours is ,so it might be large enough.

    The duct design ,if it's large enough ,to get the air to the addition is critical,you'll need a Pro.

    Often when adding on , poorly insulated outside walls ,become interior walls and the additions walls are better insulated than the original.Same for windows as well.You can also look at increasing the insulation in the existing home as well,attic is usually is to do.

  6. #6
    Join Date
    Sep 2002
    Location
    South Dakota
    Posts
    6,579

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