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Saving on A/C Costs
I don't know how many of you use your air conditioner during the summer, but in the Southwest you would have to be tough not too. While thinking about swamp coolers, I remembered a technique I saw while watching Living with Ed...:o
Depending on your local climate, the A/C condenser can be aided along with evaporative cooling. Placing water misters along the sides of the condenser will cool the ambient air up to 30F. The cooler the air the condensor receives, the less it has to work to liquify refrigerant. As water is usually scarce in any areas this would be useful, I'd consider diverting waste water from showers, sinks, etc. to the misters. Just a thought. :) - LostCause |
One thing I'm considering this summer is a simple shade structure for the unit. Ours is on the west side, so it gets full afternoon sun. Some sort of box or shelter to keep the direct sunlight off it should help.
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Well, if you have central air, as I do, you can put a small window unit in your bedroom at night and only cool that one room. Also Bedfans (TM) and other fans help: http://www.bedfan.com/
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I saw this on Living With Ed once: http://www.coolnsave.com/splash.html
http://youtube.com/watch?v=oAT_Bjp_ByQ It is Energy Star approved. |
Cool
Wow, I may consider this device if it works. My A/C costs and consumption are the highest value in the home throughout the year.
It makes sense, and my compressor could use all the help it can get. Anyone here have one? RH77 |
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You can do a few things.
1. Tint your windows 2. Cycle your A/C (in combination with #1) 3. Install an underdrive crank pulley on your car that will spin all your accessories slower. |
Sorry Johnny grey, we are talking about Homes, not cars.
I've already done something similar with a sprinkler valve, some misters, a 220 rated wal wart and a non leaky hose. Works OK in South louisiana. I want to do something heat excange related direct to the freon pipes, basically just a wrap around with copper tubing and some solder. I'm planning on recirculating pool water right now, but may be "geothermal" still weighing options. |
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The biggest limitation to the technique is your local climate. Evaporative cooling is dependent on the local humidity. If it's hot and humid outside, as I suspect most of the midwest is during the summer, then it will not work very efficiently. The southwest, where it is often hot and dry, allows the latent heat of vaporization of water to absorb energy from the air. Great ideas about the shade and portable wall unit...I hadn't thought of those. :) Quote:
1.) Shading the pipe from direct sunlight? 2.) Increasing the quality and quantity of insulation around the pipe? If your "geothermal" method works, be sure to post about it. :) - LostCause |
Arminius -
Thanks for the Cool-N-Save stuff. I am going to look into this. I am an *OGRE* when it comes to using AC. What I want to do is close off the kitchen so that it is the only room to be cooled when the heat hits this summer. ... Reading about Cool-N-Save ... Hmmmm, maybe it won't work for window units. I have a 1.5 ton (18000 BTU) AC unit, and Cool-N-Save appears to be designed for a free-standing AC unit. PaleMelanesian - Our single AC unit is on the South Side, so I should do the same. Just been a lazy SOM. ... I've done a lot of research on solar powered swamp coolers, but have never pulled the trigger because it's pricey and I am worried about evaporative pad maintenance. Here is one I have been tempted to try : Solacool http://www.partsonsale.com/solacool.html http://www.partsonsale.com/20FRONT.jpg google google google ... found some (obsolete?!?!?) prices (sans solar panels I bet) : Re: Solar A/C Systems Available? - Fri Jun 21, 2002 :eek:way :eek:too :eek:out of date!!!!!!! http://tech.groups.yahoo.com/group/solar-ac/message/712 Code:
MODEL: DIM (H x L x W): FAN: CFM: ACTUAL WATTS: RECOMMENDED PV: Solacool prices and specifications http://www.partsonsale.com/solacoolspecs.html From what I dimly remember, I *think* I would like the 2012 HP because it is 12 volts and requires a 20" wide window. CarloSW2 |
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