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Started By
Message
Paging HVAC guys...Do you think this product works?
Posted on 7/16/15 at 3:09 pm
Posted on 7/16/15 at 3:09 pm
10
Posted on 7/16/15 at 3:13 pm to REB BEER
if you want to rot the frick out of your condensing unit,sure .
Posted on 7/16/15 at 3:14 pm to REB BEER
Hmmm. IDK. Yes water cools the coils down and can make the system more efficient, I just don't see how that little bit helps so much.
Posted on 7/16/15 at 3:18 pm to REB BEER
Doesn't sound like something that would work too well in this humidity.
Posted on 7/16/15 at 3:23 pm to REB BEER
It's probably ok, and between the rain and humidity I don't see where it would be much harm TBH..
Posted on 7/16/15 at 3:26 pm to REB BEER
It's interesting,I like its filtered water and solar powered.Not sure seen a different design eat up the fins on chillers before though.Pretty neat design,it was a pressure switch a piece of pvc with sprinkler heads teed into it with a water solenoid that was activated off of condensing head pressure.
Posted on 7/16/15 at 3:26 pm to REB BEER
1) Anytime you see something like this, you should remember that if stuff like that really made a big difference in the performance of the unit, the manufacturers of them would be using them already to build a better product than their competition.
2) If you're just hooking up a regular water supply to it, the water you're spraying all over those coils almost surely contains a good bit of dissolved minerals. When you're constantly spraying that on hot coils and evaporating off the water, the minerals stay behind. You're likely to end up plating over the coils with an incredibly hard and nearly unremovable layer of basically rock and fricking the heat transfer coefficient of the unit up big time.
3) Condensing units are designed to be outdoors, but are not designed to constantly have water being sprayed into them. The water that doesn't evaporate off the coil is just going to drip into the cabinet of the unit and sit there, setting up all kinds of possible corrosion problems with the unit's cabinet.
I'm skeptical.
2) If you're just hooking up a regular water supply to it, the water you're spraying all over those coils almost surely contains a good bit of dissolved minerals. When you're constantly spraying that on hot coils and evaporating off the water, the minerals stay behind. You're likely to end up plating over the coils with an incredibly hard and nearly unremovable layer of basically rock and fricking the heat transfer coefficient of the unit up big time.
3) Condensing units are designed to be outdoors, but are not designed to constantly have water being sprayed into them. The water that doesn't evaporate off the coil is just going to drip into the cabinet of the unit and sit there, setting up all kinds of possible corrosion problems with the unit's cabinet.
I'm skeptical.
This post was edited on 7/16/15 at 3:27 pm
Posted on 7/16/15 at 3:28 pm to TigerstuckinMS
quote:
I'm skeptical.
Me too. May be the ticket for the current high humidity / heat wave we're in, but not all season.
Posted on 7/16/15 at 3:30 pm to TigerstuckinMS
The water is filtered.
Posted on 7/16/15 at 3:30 pm to REB BEER
If it worked I think you'd see the major players offering it.
It's not obvious to me how moving more heat from the condenser makes it run more efficiently. The temperatures it operates at are fairly well set by the properties of the refrigerant. If you submerged the evaporator in water you still have to compress it all before sending it inside to do your cooling.
It's not obvious to me how moving more heat from the condenser makes it run more efficiently. The temperatures it operates at are fairly well set by the properties of the refrigerant. If you submerged the evaporator in water you still have to compress it all before sending it inside to do your cooling.
This post was edited on 7/16/15 at 3:33 pm
Posted on 7/16/15 at 3:32 pm to wartiger2004
Filtered water still has dissolved minerals in it. It's the spots that form on your car from water drops.
Posted on 7/16/15 at 3:34 pm to Tigah in the ATL
Lowers the head pressure ,which then lowers the suction.
Posted on 7/16/15 at 3:35 pm to Tigah in the ATL
quote:
Filtered water still has dissolved minerals in it. It's the spots that form on your car from water drops.
Oh I agree,it better be one heck of a filter to not damage the condenser fins over time.
Posted on 7/16/15 at 3:36 pm to wartiger2004
quote:if it wasn't filtered the nozzles wouldnt last 1 week before calcifying over
I like its filtered water
Posted on 7/16/15 at 3:36 pm to wartiger2004
quote:
The water is filtered.
Filtering doesn't help the fouling I'm talking about. I'm not talking about trash or dirt suspended in the water and getting stuck sticking to the coils. I'm talking about minerals that are dissolved in the water being left behind when the water evaporates causing plating and chemical deposition.
Posted on 7/16/15 at 3:45 pm to Hardy_Har
I'm skeptical too, I was just hoping someone had some 1st or 2nd hand experience with it.
I agree with one poster too that said if it really worked, manufacturers would be using them.
I agree with one poster too that said if it really worked, manufacturers would be using them.
Posted on 7/16/15 at 7:03 pm to REB BEER
There is a big difference between the outside unit getting wet every so often from rain vs. being saturated with tap water 24/7.
I am sure the filtration helps but the dissolved salts in the water (what causes hard water deposits/stains) will build up over time and clog the condenser. Unless it's an RO filter the water isn't really clean enough for this application in the long term. I also think it would shorten the life of the cabinet components over time. You'll find newer outdoor units are designed with louvers so the coils stay pretty dry in most average rainfall.
Commercial systems bathed in water constantly (cooling towers, etc.) have a full time water treatment system and are monitored for the water quality.
I am sure the filtration helps but the dissolved salts in the water (what causes hard water deposits/stains) will build up over time and clog the condenser. Unless it's an RO filter the water isn't really clean enough for this application in the long term. I also think it would shorten the life of the cabinet components over time. You'll find newer outdoor units are designed with louvers so the coils stay pretty dry in most average rainfall.
Commercial systems bathed in water constantly (cooling towers, etc.) have a full time water treatment system and are monitored for the water quality.
Posted on 7/16/15 at 7:08 pm to REB BEER
I think misting your roof would be better.
Posted on 7/16/15 at 7:11 pm to REB BEER
I saw a similar unit called Cool-N-Save.
It would probably work better in the dryer climates like Arizona: unsure for the high-humidity areas like our area.
LINK
The cool-n-save residential units are only $99, not $449 like the mistbox. Water treatment cartidges need replacing every 3 months and cost $25/ea.
It would probably work better in the dryer climates like Arizona: unsure for the high-humidity areas like our area.
LINK
The cool-n-save residential units are only $99, not $449 like the mistbox. Water treatment cartidges need replacing every 3 months and cost $25/ea.
This post was edited on 7/16/15 at 7:18 pm
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