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Spray water on compressor to raise efficiency? BoyntonStu 09-26-2007
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Posted by BoyntonStu on September 26, 2007, 8:13 pm
Large buildings use water to remove the heat from theur ac condensers.

What about a recirculating fountain to spay the coils in my ac
condenser for 90+ temp days.

How much 'gain' in efficiency would result?


Posted by Caesar Romano on September 26, 2007, 8:48 pm
Re Spray water on compressor to raise efficiency?:

>Large buildings use water to remove the heat from theur ac condensers.
>
>What about a recirculating fountain to spay the coils in my ac
>condenser for 90+ temp days.
>
>How much 'gain' in efficiency would result?

Well, assuming the water is about 70F, you would gain a considerable
increase in efficiency. But then, you would probably ruin you
condensers with corrosion and fouling.

Posted by Rich on September 26, 2007, 8:59 pm
BoyntonStu wrote:
> Large buildings use water to remove the heat from theur ac condensers.
>
> What about a recirculating fountain to spay the coils in my ac
> condenser for 90+ temp days.
>
> How much 'gain' in efficiency would result?

Negitive gain as your unit isn't setup to take the water and the fins would
corrode and then you need a new unit costing more than you saved.

Rich



Posted by on September 26, 2007, 9:33 pm
madeyoulook@dot.com says...
> BoyntonStu wrote:
> > Large buildings use water to remove the heat from theur ac condensers.
> >
> > What about a recirculating fountain to spay the coils in my ac
> > condenser for 90+ temp days.
> >
> > How much 'gain' in efficiency would result?
>
> Negitive gain as your unit isn't setup to take the water and the fins would
> corrode and then you need a new unit costing more than you saved.

If they're designed to sit out in the rain all winter, would occasional
water in the summer really be that damaging? (Suppose it depends on how
corrosive the city water supply is....)

--
josh@phred.org is Joshua Putnam
<http://www.phred.org/~josh/>
Braze your own bicycle frames. See
<http://www.phred.org/~josh/build/build.html>

Posted by Edwin Pawlowski on September 26, 2007, 10:10 pm

>
> If they're designed to sit out in the rain all winter, would occasional
> water in the summer really be that damaging? (Suppose it depends on how
> corrosive the city water supply is....)

Rain water, although not pure, does not contain the minerals that tap water
usually does. You can get quite a buildup of crud on the coils if you
spray.



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