The Air Conditioning Contractors of America (ACCA), the Indoor Air Quality Association (IAQA and the Radiant Panel Association (RPA) have announced the three organizations will hold their annual meetings at the same time in 2011 and share the Indoor Air Expo.

ACCA represents HVACR contracting businesses. IAQA is dedicated to the exchange of indoor environmental information through education and research. RPA is a nonprofit national association representing manufacturers, distributors, designers, dealers and installers of radiant panel heating and cooling systems and components.

The 2011 Indoor Air Expo will be held Feb. 15-17, 2011, in San Antonio, Texas.