They're all pretty much the same, there's virtually no difference at all between the small rotary compressors they use, and they're all about the same efficiency (not very) due to mandated standards. Buy one that has the features and cosmetic design you like.
The OP said he didn't require heating. I think you're a bit on the high side in your heat output estimate. I think 400 watts for a residential unit would be more realistic. You're dropping the relative humidity which will affect latent heat, and the units themselves only draw 600-800 watts. Even a heating element isn't 100% efficient.
R
Dehumidifiers don't use heating elements, they just pass the chilled dehumidified air through the condenser which heats it back up. There's some net gain, since the power consumed by the compressor (about 400W) becomes heat.
From elsewhere, I know he's also a machinist--and so probly he uses it ( as do I ) to mix with water soluble cutting oil or synthetic instead of buying DI water...just need to add an anti-microbial..
Well, it will produce more than 800 watts worth of heat. Where did the extra come from, the condensing of the water from the air. When water vapor is condensed to liquid, it gives up heat.
I've had a Sunpentown 13000 BTU unit for 3 years. It's very effective, efficient, and the condensate goes out with the air exhaust. I installed a dryer vent through the wall to regain the full use of my window. It keeps the computer room cool and doesn't cost a lot to run.
Ordering over the Internet, including shipping, was comparable in price to buying a 9000 btu unit with a much lower efficiency rating locally.
I'm flattered... you didn't insert the adjective "wannabee". Ahma haveta tell the group.... :)
Indeed, soluble oil, but the output is too prodigious even for that (on a maintenance basis), so I basically pour it around the plants/lawn/house.
I tried draining it right into the Fadal resevoir tank, figgered it'd be good as "makeup water", and boy was I surprised to see the tank overflow (30-35 gal!), not to mention the coolant getting awfully thin in the meantime.
So I had to stop that, and do the 5 gal bucket thing. Somewhat the pita. Each 5 gal bucket is 40 lbs, made more difficult by pulling it from an awkward location, and then tryna not spill it, and then for some distance. sheeesh..... I think NYC water is about .00001 c per gallon.
Oh well... . But, you know what they say: 00001 penny saved is .00001 penny earned. :)
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