Kleen-Screen™ Air Conditioner Coil Filter -- improve energy efficiency; protect A/C unit from 95% of most debris that can clog your air conditioner condensor. Easy one-person installation. Dust to clean. About $30.00.
Kingtec Solar announces a solar powered window air-conditioner. We haven't reviewed the product and therefore can't endorse it, but we're so enthusiastic about these emerging tech breakthroughs, we wanted to share. From MOTHER EARTH NEWS magazine.