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Tankless Electric Hot water heater

Discussion in 'Pull up a chair and sit for a spell' started by cardboard, Jul 27, 2012.

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  1. ultra200922

    ultra200922 Active Member

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    I would have thought in Texas propane would be cheap since it is close to oilfield drilling.
    ultra200922, Jul 28, 2012
    #21
  3. alex the dog

    alex the dog Active Member

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    Yes the tankless heaters work fine, but I thought you were looking for a more economical way to heat. Ultra's 99 cents /gal is a third of what propane costs here.
    alex the dog, Jul 28, 2012
    #22
  4. eieio4tn

    eieio4tn Active Member

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    AKA on demand water heater...gas works great, lp or natural. however, you will NEVER be happy with electric. water temperature fluctuates too much as banks of heat kick in. i have installed dozens of both types, and customers using electric never stop complaining. standard faucet delivers 1 gpm, tub valves deliver 2.5 gpm. no complaints about the sinks, just the showers. you also have to consider the electrical requirements. a 10kw electric will never handle a regular household. and when you go to 15kw-20kw, you are going to be lucky if you have the extra capacity in your panel. when doing electric load calc's on a typical 1800-2000 sq. ft., if you have a heat pump ( and i believe you do), electric range and dryer...guess what...you need a 400 amp service in your house. if you try using split breakers to make enough room in your 200 amp panel you are just tempting the sparks to start flying.

    sorry cardboard...but you could add a circulating pump to your existing system, and insulate the hot water pipes. or go with propane for the on demand. the cost of operating the water heater on lp is not that bad. your neighbors probably use lp for their furnace as well as hot water...that would be costly.
    eieio4tn, Jul 28, 2012
    #23
  5. FLHTbiker

    FLHTbiker Moderator Staff Member

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    Yea when I do home inspections I never find electric on-demand hot water heaters. Don't even find that many on-demand gas units either. Mostly gas fired 40 gal or 50 gal electric hot water heaters. Why is gas units smaller, simple they recover faster than electric and thus are more economical to operate.
    Last edited: Jul 28, 2012
    FLHTbiker, Jul 28, 2012
    #24
  6. hotroadking

    hotroadking Super Moderator Staff Member

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    comparing your neighbor with whole house propane to a single LP tankless hot water heater isn't apples to apples.

    tankless LP will use very little LP, and if the electricity is out for some reason you'll have hot water, when everyone else wont
    hotroadking, Jul 28, 2012
    #25
  7. bguillory66

    bguillory66 Active Member

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    I don't know that much about tankless gas heaters, but I would be surprised if they didn't have electrical to them for ignition parts. Or maybe they have a standing pilot?
    bguillory66, Jul 29, 2012
    #26
  8. bguillory66

    bguillory66 Active Member

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    Years ago I installed supplemental water heaters that used the hot gas line off your a/c unit to heat water...they didn't go over to well though, haven't seen any in years and don't think they make them anymore.
    bguillory66, Jul 29, 2012
    #27
  9. FLHTbiker

    FLHTbiker Moderator Staff Member

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    The ones I've seen have electricity for ignition. Even all the standard 40 gal gas water heaters I see now have electric ignition.
    FLHTbiker, Jul 29, 2012
    #28
  10. cardboard

    cardboard Well-Known Member

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    Not going to LP Gas. I have no place for a tank.
    Chucktx has been using Electric Tankless Hot water heater for years.
    cardboard, Jul 29, 2012
    #29
  11. FLHTbiker

    FLHTbiker Moderator Staff Member

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    Yea for you, you should stick to electricity
    FLHTbiker, Jul 29, 2012
    #30
  12. hotroadking

    hotroadking Super Moderator Staff Member

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    You should just put in s new regular tank


    Sent from my iPhone using Tapatalk
    hotroadking, Jul 29, 2012
    #31
  13. chucktx

    chucktx Moderator Staff Member

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    i love my tankless water heater.........installed it when i built the house....in 98'. still gennin along and doesnt cost that much. it is electric.....no gas available. just add another gerbel to the wheel!!!!!!! lol lol
    chucktx, Jul 31, 2012
    #32
  14. hotroadking

    hotroadking Super Moderator Staff Member

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    Tankless electric is fine, at least you're not heating a boiler of water all day
    It might not be as efficient as LP but it will do what you want, get one large enough
    to take care of your needs.

    You might find you can't wash your arse and clean the dishes at the same time
    and have hot water at both....
    hotroadking, Jul 31, 2012
    #33
  15. HarleysLR

    HarleysLR Active Member

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    in the city we have all the uitlities, man it's nice to, 7-11 on the corner, liquor store across the street from 7-11, church across the other corner, a nice lawn, swamp cooler, heck we even get mail at our house boy do we have it made.
    HarleysLR, Jul 31, 2012
    #34
  16. cardboard

    cardboard Well-Known Member

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    Ahhhhhhhhhhhhhhh

    Don't want to live in the City.......:rant:
    cardboard, Jul 31, 2012
    #35
  17. FLHTbiker

    FLHTbiker Moderator Staff Member

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    You only get mail on Saturday then :roflmao:
    FLHTbiker, Jul 31, 2012
    #36
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