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Thread: Spa Conversion

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    Default Spa Conversion

    I'm wanting to cut the outdoor Spa power usage & am wondering other than converting it to gas in my case LPG, I'm of course looking for a systom that is the cheapest to run. I've heard that the latest method is using heat pump. How the hell is that done.
    Cheers.
    Last edited by hogwort; 25-07-11 at 03:04 PM. Reason: grammer



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    I presume its similar to how a domestic hot water heat pump works ?

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    have you thought about the solar heat system similar to the pool setups.

    long coil lengths of black plastic poly pipe run on your roof with a small circulating pump

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    Quote Originally Posted by diavalo13666 View Post
    have you thought about the solar heat system similar to the pool setups.

    long coil lengths of black plastic poly pipe run on your roof with a small circulating pump
    I have the following, for my pool is does heat the water up quite well, but similar results can be had just using a pool cover.

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    Quote Originally Posted by diavalo13666 View Post
    have you thought about the solar heat system similar to the pool setups.

    long coil lengths of black plastic poly pipe run on your roof with a small circulating pump
    and you could also add a solar panel with a battery and a 12V water heater element to keep it going at night.
    Stop being so stupid.. its my turn!!

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    Only way to go is gas.
    Electric is too slow and you'll really have to plan your spa experience well ahead to be able to have a hot spa.
    Having a spa is nicest at about 37 -38 C. With electric you only really keep it at a constant base temperature and then crank it up when you decide to have one.
    That's why you'll see all the portable electric heated spas usually come with insulated covers.
    I've owned both types and will never go back to electric, unfortunately there is no 'cheap' way to install gas heating to a spa.
    I'm using old Dega gear (thermostat and controls) which isn't produced anymore.

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    One option is a combined solar and wood-burner system.

    It's easy if you have some basic DIY skills and a few tools. A solar collector is easy enough to build. All you need is some 12 mm marine grade plywood, some black paint, a small electric circulating pump, a length of alkathene pipe and some saddles to suit
    If you really want efficiency, copper or stainless pipe is better - but costs more.

    The wood heater can burn almost anything including your daily rubbish. The only proviso is you need an external heat exchanger and a system of taps so you can regulate the amount of hot water passing through it - the water temp coming straight off the woodburner is often way too high to feed straight into the pool.

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    My outside spa runs from the pool solar heater, heats it quick without a problem (aprox 20 min) but that is only good if you want a spa during the day if you want one at night you will need to use your existing heater to maintain the temp as the air pump will cool the water down very quickly.

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