Try http://www.pic101.com/projects/acwatersys.htm
Rick

"M. Adam Davis" wrote:

> So, Rick, any new news on spraying water on the condenser unit?
>
> I'm interested in doing something similar, and was going to send a
> general message to the list but checked the archives just in case.  I
> thought we had someone mention it recently.
>
> -Adam
>
> Rick C. wrote:
>
> >This is currently being done commercially now. It hasn't caught up yet to the
> >home (domestic) market as it should, but I've seen the numbers and they are
> >promising. A large warehouse I know of in Frederick, MD, has such a system and
> >their heating/air conditioning bill is about $50 a month compared to a
> >conventional system in a comparable size building of about $450 a month. The
> >initial expense is a bit higher though, but it has already paid off. Plus, no
> >Freon involved.
> >
> >I have spray nozzles on two sides of my outdoor condenser unit that sprays well
> >water on the coils when the compressor comes on. This has made a noticeable
> >difference in the time the compressor runs (less on time and less cycling) when
> >cooling the house during the summer. I'm getting ready to make some measurements
> >to see just how much of a savings this will make.
> >Rick
> >
> >Rod Phillips wrote:
> >
> >
> >
> >>Hello to all,
> >>
> >>Here's an idea that I wanted to run past whoever is interested.
> >>
> >>I have 2 unused water wells on my property that are seperated by 100 feet.
> >>One well has a 30 inch diameter concrete casing and is 36 feet deep.  The
> >>other well has an 18 inch diameter casing and is about 25 feet in depth.
> >>
> >>My idea is to pump water from well # 1 into a small, insulated pressure
> >>tank.  At the tank outlet would be a solenoid valve to let the water flow
> >>into some sort of heat exchanger in the furnace plenum.  Another valve would
> >>be located on the other side of the heat exchanger to discharge the warmed
> >>water into the second well.  The plan would be to monitor air temperature in
> >>the plenum and when it has reached a certain limit open both valves to force
> >>the warmed water out.  Additional temperature probes in the input and output
> >>lines could be used to determine when the exchanger is full of cold water.
> >>I have a probe in well # 1 now and the water temperature is 51 degrees.
> >>
> >>I would welcome any comments or experiences anyone has had along these
> >>lines.
> >>
> >>                                   Rod
> >>
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