Optimal location for water heater?

Discussion in 'Plumbing Forum, Professional & DIY Advice, Tips & ' started by dereks, Jun 6, 2011.

  1. dereks

    dereks New Member

    Messages:
    16
    Location:
    Seattle WA
    Where should a hot water heater be located.

    Option 1: In a utility closet near the kitchen and bath. Two baths are about 10-15 ft. away. Kitchen is about 15 ft. away. Second floor baths are directly above. All these distances seem relatively short. Advantages: hot water quickly! Hot water heater also is located above a floor drain.

    Option 2: Located in the garage. Kitchen is 30 ft. away. Two baths are maybe 50 feet away. Second floor baths are directly above so maybe add another 10 feet to make it 60 feet. A hot water recirculation pump may be needed. Advantages: If the water heater blows up and leaks, the water drains out of the garage. Also there is a little bit of heat which warms up the garage. Winters here usually get to a low of 35-40F (2C) but can be as low as 20 degrees F.

    Option 1 or 2?

    If option 2, should a hot water recirculation pump be on a timer, say 6 to 8 am and 4 to 10 pm?
  2. cwhyu2

    cwhyu2 Consultant

    Messages:
    1,331
    Location:
    Cincinnati OH
    # 1 with a pan.And drain pan to a floor drain.
  3. Tom Sawyer

    Tom Sawyer In the Trades

    Messages:
    3,073
    Location:
    Maine
    I'm with that guy, option #1
  4. dereks

    dereks New Member

    Messages:
    16
    Location:
    Seattle WA
    Anybody for option #2????
  5. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    21,822
    Location:
    New England
    If you have room for it, it's much better to have it centrally located with minimal distances to the points of use.
  6. Terry

    Terry Administrator Staff Member

    Messages:
    14,798
    Location:
    Bothell, Washington
    I like the garage location, but either would be fine.
  7. dereks

    dereks New Member

    Messages:
    16
    Location:
    Seattle WA
    Care to comment? Contractor prefers the garage. I don't. However, I'm not an expert.
  8. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,292
    Location:
    Cave Creek, Arizona
    If it is a "tankless" water heater, then installing it, or them, as close to the point(s) of use as possible is one of its advantages, but ONLY because it does not take up a lot of space. A garage installation is easier to service and replace, and the sounds associated with its operation are NOT heard in the living space. If the heater "blows up" it will not make any difference where it is, the house will still have to be torn down and rebuilt, assuming you survived and can do it. A circulation system negates most advantages of a central location, especially if it is set to run only when there may be a need for rapid hot water.
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