Yuka Yoneda

Researchers Develop 90% More Efficient Air Conditioning!

by , 06/18/10

90 percent more efficient air conditioning, national renewable energy lab, nrel, air conditioning, ac, energy savings, energy efficiency, power, green energy, green design, dessicants, eco design, sustainable design, power grid

Summer is awesome – the jump in our electricity bills from air conditioning, not so much. Luckily for anyone watching their wallets (and for the power grid), scientists at the National Renewable Energy Lab have developed a new air conditioning process that has the potential to use up to 90% less energy than today’s top-of-the-line ACs. The lab used membranes, evaporative cooling and liquid desiccants to achieve the ultra efficient results, which, if passed along to the market, could be huge in terms of saving both power and money.

90 percent more efficient air conditioning, national renewable energy lab, nrel, air conditioning, ac, energy savings, energy efficiency, power, green energy, green design, dessicants, eco design, sustainable design, power grid

So what’s the secret to the lab’s success? Well, typical evaporative cooling air conditioners actually add humidity to their cool air output, meaning they really only work well in dry areas. Dubbed DEVap, the new technology uses liquid desiccants to remove that humidity from the cooled air.

What’s even better is that since DEVap uses salt solutions instead of refrigerants, it eliminates the need for harmful chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) which contribute about 2,000 x as much as carbon dioxide to global warming.

Unfortunately, we won’t be reaping the benefits of DEVap this summer, but the lab is working hard on the technology, so hopefully we will see it in a few years.

+ National Renewable Energy Lab

Via Treehugger

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3 Comments

  1. "Smart" Metal to Make A... July 19, 2010 at 12:26 pm

    [...] know the drill: the temperature shoots up, the central air-conditioning goes on full-blast, and your electric bill climbs into the stratosphere. A new “smart” [...]

  2. oTXn June 21, 2010 at 12:49 pm

    Isn’t this the similar to the absorption units Carrier has had for years, only in a small footprint for residential use? They use a brine solution.

  3. sidetrak June 20, 2010 at 2:14 pm

    Coolerado has a product that does about the same thing and it’s currently available. It uses so little power you can run it on solar. http://www.coolerado.com/

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