As part of its continuing celebration of the 100th anniversary of modern A/C by its founder, Dr. Willis H. Carrier,Carrier Corporationrecently recognized an energy-efficient HVAC investment in a prominent Austin, TX, building with a Carrier Regional Environmental Leadership Award. The award was presented to the Horizon II Building, 4401 Westgate Blvd., during the first U.S. Green Building Council Conference & International Exposition (November 13-16), in Austin.