Verdantix selects BuildingIQ as one of 14 companies for its Green Quadrant Building Energy Management Software report.

Black Diamond Plumbing & Mechanical Inc. (Crystal Lake, Ill.) acquired Axberg Heating (Rockford, Ill.).

TDIndustries named National Diversity Excellence award winner for subcontractors over $14 million.

Knipex Tools LP appoints key account sales manager; Quietside Corp. names director of technical support and training; more HVAC manufacturer news briefs.

Rapid Recovery receives carbon offset credits from California Carbon Exchange.

Bonomi North America Inc. relocates corporate office from Rock Hill, S.C., to Charlotte, N.C.

HVAC Excellence accredites HVAC program at Sullivan College of Technology and Design; SMACNA to hold Financial Boot Camp in May; more HVAC organization news briefs.

Environmental Systems Design Inc. promotes vice presidents; Burns Mechanical names new service division manager; more HVAC commercial contractor news briefs.

MacroAir Technologies Inc. will end its manufacturing relationship with 4Front Industries; more HVAC manufacturer news briefs.

North Little Rock Winsupply Co. signs an exclusive agreement with Venstar Inc.