AHR Expo - International Air Conditioning, Heating, Refrigeration Exposition, Jan. 25-27, Orlando, FL; ahrexpo.com.

ACCA - Air Conditioning Contractors of America Conference & Indoor Air Expo, Mar.7-10, Tampa, FL; accaconference.com.

ABC - Associated Builders & Contractors Annual Convention, Feb. 3-7, San Diego, CA; www.abc.org.

MCAA - Mechanical Contractors Association of America Annual Convention, Mar. 28-April 1, San Francisco, CA; mcaa.org.