z wrote:
I think my central A/C spends 99% of its energy dehumidifying the
house. The water just goes to water the shrub planted next to the
compressor outside. Why couldn't it at least be sprayed on the
condensor coils?


If the atmosphere is very humid, when you'd get the most condensate, you
would derive the least benefit from it since the high humidity would
slow water evaporation. The opposite would happen when the atmosphere is
dry. It seems that either way there would be little or no benefit derived.

--
John McGaw
[Knoxville, TN, USA]
http://johnmcgaw.com