tankless heater for very small house

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by bukzin, Apr 19, 2005.

  1. bukzin

    bukzin New Member

    Apr 19, 2005
    Need new water heater, thinking about a tankless system.

    Here are some details:

    total remodel of 600 sq. ft. house (40 year old gas unit gone)
    large clawfoot tub
    both natural gas and 220volts (200amp) available
    one occupant (no kids)
    located in northern Calif (very mild winters)

    What else is relevant to weigh the choice?

    I have done a fair amount of reading on the pros and cons
    but am having a hard time picking a path.


  2. Master Plumber Mark

    Master Plumber Mark Master Plumber

    Feb 6, 2005
    Sensitivity trainer...healey-feeley.....
    indianapolis indiana - land of the free, home of
    tankless technology

    They are really not all that reliable for a lot of reasons,

    though you are living by yourself and are more eligible to
    tolerate one than a full family could.

    Click on this link then
    go to the bottom of the page and their is information about tankless water heaters that might sway your opinion about them


    have fun
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  4. jimbo

    jimbo Plumber

    Aug 31, 2004
    San Diego
    You mentioned a tub. If you are fond of baths, as opposed to showers, it would take 15 to 20 minutes to fill a tub, since a small tankless puts out a very low gallons per minute.

    If you take showers only, the tankless would suffice, but you must decide if the high initial cost and I believe long payback period are worth it. Couple that with high installation cost, and much higher normal routine maintenance required compared to a regular WH....you decide.
  5. mrjetskey

    mrjetskey New Member

    Apr 11, 2005
    My father now lives alone in a 1100 ' home with one bathtub.He has a small 20 or so gallon electric hot water heater.under the kitchen cabinet ,it way more than suffices for the bathtub and dishwater.plus you can fill the tub fast.very cost efficent for 1 person. JMHO. ps.I owned a tankless water heater and the are fantastic when they work.after 5 years of at least one cold shower every 2 months,I trashed it and installed a 50 gal.for me and wife.
  6. bukzin

    bukzin New Member

    Apr 19, 2005
    cold showers?

    What do you suppose is the reason for the cold showers?

    Was another fixture being used? Or???

    Has your Dad had the same problem?

  7. sparks98

    sparks98 Electrician

    Feb 26, 2005
    Philadelphia, Pa
    Electric sucks. Do go with AquaStar's (Bosch) standard model. It doesn't matter how big the model, it's the demand. I have one and will NEVER go back to tank heaters. Higher demand, never runs out, cheaper on the gas bill and you'll never come home to a flooded area when it goes. They are rated for 35 years.
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