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AC Sun’s Solar Air Conditioner

A while back I wrote about a solar air conditioner called the Greencore Air that was a highly efficient air conditioner powered by photovoltaic (pv) panels. This week a Danish company AC-Sun, announced they are developing a unique solar air conditioner. We’re fascinated with solar air conditioners because typically these are the largest and most expensive load on homes and businesses across the world, which can make a very cost effective application of solar energy if a company can release a reliable product. The most interesting part about AC-Sun’s solar air conditioners is that instead of using solar panels to generate electricity to power an AC, it uses solar thermal technology which boils water, creates steam to drive a turbine which can cool a room. It’s using the sun’s heat to cool a room! The AC-Sun’s system is based off an already known thermal process, which includes a traditional solar thermal panel that provides energy to an expander that ends up operating a compressor. A compressor is a critical unit in air conditioning and is important in the overall process of creating cool air. Unfortunately, you can’t buy AC-Sun’s solar air conditioner today, they are still developing the product and according to the company the product will be on the market in the middle of 2010. What do you think about solar air conditioners? This is a very interesting niche of solar energy, has anyone seen other companies dabbling in this...

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GreenCore Solar Air Conditioning

The air conditioner is typically the largest load on your monthly electric bill. Traditional Air Conditioners are typically very difficult to power from a solar array. A company called GreenCore Air has released a new product called the gc102000 solar air, which can heat and cool 600 square feet rooms. The GreenCore solar air comes in two models a fixed version and a mobile solar air conditioner. The amazing part of this unit is that it can operate from a 170 watt solar panel. The GreenCore is Air is DC (direct current) the same output as solar panels. Solar Panels put out DC and typically need to be converted to AC to work with house hold appliances, so what makes this product unique is that it runs on DC, therefore there is no conversion / inverter needed from solar panel to the air conditioner. When the sun is not out the unit runs on the battery bank which is integrated within the unit. McDonalds is currently testing one of these units at a restaurant location…..which is a great sign of how much traction this unit has. Finally! Some innovation in solar air conditioning! We’re very excited about this...

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