Tankless H20 Heater Newbie Seeking Advice

Discussion in 'Tankless Water Heater Forum' started by HannahJay1, Mar 11, 2011.

  1. HannahJay1

    HannahJay1 New Member

    Mar 11, 2011
    I've done a bit of shopping around and stumbled upon this tankless water heater, that is in the price range we're looking to spend. Can anyone tell me what features I should be looking for, what's a good price range, and if this one cuts the mustard? TIA!

    70amp, 18kw Whole Entire House Unit + 3-4 Bathrooms!

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    Last edited by a moderator: Mar 11, 2011
  2. cacher_chick

    cacher_chick Test, Don't Guess!

    Jan 5, 2008
    Test, Don't Guess!
    Land of Cheese
    There are very few advantages to owning a tankless water heater.

    Depending on what your home's current electrical service is, it might need to be upgraded also.
    Depending on your water chemistry, there may be even more reasons a tankless is a bad idea.

    Your question may be answered better if we understood why you think you want a tankless heater, and why you would choose electric over other types.
    Last edited: Mar 11, 2011
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  4. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Sep 2, 2004
    Retired Systems engineer for defense industry.
    New England
    As they go, that's a fairly small unit. Depending on how cold your incoming water is and how hot you want the outlet, you may only get a couple of gallons per minute. 18Kw is equivilent to about a WH with 75K BTU (allowing for some inefficies and as much as 150K for a really inefficient one). But, a tank would give you much higher volume until it ran out.
  5. Dana

    Dana In the trades

    Jan 14, 2009
    You'd be able to run a single low-flow shower with that in January in Rockford if you throttled it back to under 2gpm. You might run the "full" 2.5 gpm with it in Cairo even in January, but I wouldn't bet the farm on it.

    It would only be good for "... 3-4 Bathrooms... " in warm-water south Florida or San Diego, and only if X-1 of those "bathrooms" were half-baths (no shower, no tub, except for the main bath.)
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