[Editor’s note: This is the second of three columns covering the scroll compressor. The first article, “The Scroll Compressor - A History,” Sept. 1, covered the history of the scroll compressor along ...

The compressor is the heart of any air conditioning or refrigeration system, so when it starts showing signs of not working correctly, technicians must act quickly in order to find out what is wrong.

Engineers at Air Squared Inc., Broomfield, Colo. (www.airsquared.com), have developed the world’s smallest continuous-duty, oil-free scroll compressor, according to the company. It delivers 48% ...