•Air Comfort Mechanical Inc.(Plantation, Fla.) ownerJohn Kuefler receivedHVAC Excellence (Mount Prospect, Ill.) master HVACR educator certification.

• MM Comfort Systems (Seattle) is celebrating 35 years as a full-service contractor.

• Halco Plumbing & Heating (Phelps, N.Y.) was honored as the New York State Energy Research and Development Authority’s (NYSERDA) top contractor in the state of New York.

• Source Refrigeration & HVAC Inc. (Anaheim, Calif.) appointed Bruce Buchholz as president and CEO.

Publication date: 03/19/2012