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DIY Inline Hot Water Heater?

BoomShakeBoomShake The EngineerColumbia, MDRegistered User regular
edited October 2008 in Help / Advice Forum
At my university, the hot water delivery system is pretty bad. For our set of apartment buildings, there's a single water facility building about half a block and across the street from mine. When water usage is high (during normal hours of the week), it gets hot fairly quickly. However, early morning, very late night, and weekends is a different story, taking upwards of an hour or more to heat up. Housing and university facilities upped the temperature that it's leaving the facility building, but short of altering the system (putting a hot water heater in each building, etc.) I don't see much else they could do.

So, my roommates and I are thinking about doing some sort of inline heating solution. Being poor college students, we'd like it to be a DIY project, but unfortunately most googling gives back DIY installations of prebuilt systems. In our shower, there's about 6in of piping before the showerhead; if we can heat it up in that distance it'd be great. If not, we wouldn't be opposed to adding some piping in between. Conceptually we know what needs to happen (power source, some sort of heating coil element, etc.), but we don't know any specifics on how to actually build it, what materials we'll need, safety precautions, etc.

Anyone ever do something similar, or would know how to accomplish it?

BoomShake on

Posts

  • fuelishfuelish Registered User regular
    edited October 2008
    The ultimate would be to build a solar box(PVC or copper tubing laid out in a long run in a shallow box, paint everything flat black) and place it in a window that gets lots of sun. Of course that does not work at night or when it is cloudy.

    For safety, the best thing is to buy a tankless water heater and run it inline. Not homemade but safer and pretty easy to do. YOu could do it with a budget of $200 You could also try a Habitat for Humanity recycle center and look for the heater and lines and maybe do it for as little as $50

    fuelish on
    Another day in the bike shop Pretty much what it sounds like. The secret lifestyle, laid open.
  • BoomShakeBoomShake The Engineer Columbia, MDRegistered User regular
    edited October 2008
    Solar is definitely not an option both due to the distance between the shower and the closest window and due to the problem being generally at night or early morning, absent of the glorious warmth from the sun.

    We're looking to spend as little as possible, which is why we were hoping to be able to just pick up some parts from the local hardware store and put something together.

    BoomShake on
  • ImprovoloneImprovolone Registered User regular
    edited October 2008
    I imagine if there were feasible, everyone would have one.

    Improvolone on
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  • illigillig Registered User regular
    edited October 2008
    yeah, it's very easy to heat water... you just apply a heat source (electric coil most likely) to a long section of tubing... the hard part is heating the water safely

    i.e. remember that you're essentially mixing water with electricity in a DIY/ghetto rigged manner... commercial electric water heaters have all sorts of GFCI protection, temperature measurement, flow measurement, and other safety devices to make them not burn down your house or kill you with electric shock

    illig on
  • fuelishfuelish Registered User regular
    edited October 2008
    ...or burn you with 200 degree water

    fuelish on
    Another day in the bike shop Pretty much what it sounds like. The secret lifestyle, laid open.
  • EggyToastEggyToast Jersey CityRegistered User regular
    edited October 2008
    Don't. You're in an apartment, and anything that you can do would probably piss off property management. Even if you found the perfect solution for a 6" showerhead (which doesn't exist), it would probably charge you more when you move out, trying to fix what you did when management finds out.

    But no, there are numerous ways to heat water, none of which are available as a "quick fix" at the head. There are tankless water heaters which are on the small side, but are expensive and draw a substantial amount of energy to heat water essentially "instantly."

    I think you may have to suck it up and take lukewarm showers.

    EggyToast on
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  • JebusUDJebusUD Adventure! Candy IslandRegistered User regular
    edited October 2008
    or shower later in the day.

    JebusUD on
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  • Seattle ThreadSeattle Thread Registered User regular
    edited October 2008
    Impossible, mate. Sorry to break it to you, but this is not something that you can do.

    Seattle Thread on
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  • BoomShakeBoomShake The Engineer Columbia, MDRegistered User regular
    edited October 2008
    Well, shit.

    Thanks for the responses.

    BoomShake on
  • Seattle ThreadSeattle Thread Registered User regular
    edited October 2008
    mcdermott wrote: »
    Makershot wrote: »
    Impossible, mate. Sorry to break it to you, but this is not something that you can do.

    I dunno, I don't generally like words like "impossible" and I'm not sure it's appropriate here.
    Oh, it's possible, but the cost would be staggeringly high and one would have to have a lot of boilerman training to pull it off. For a group of college students it's most definitely impossible.

    Seattle Thread on
    kofz2amsvqm3.png
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