Bristol Compressors Intl., LLC, a producer of compressors for use in air conditioning, heat pump, and refrigeration systems, announces the addition of Luka Lojk to its senior management team as vice president of sales and marketing.

The Wilkinson Cos. is excited to announce several staff changes. John Sieminski, formerly service operations manager, became vice president of service operations. Installation Supervisor, Dave Roche became the first general manager of Wilkinson Mobile Boilers Inc. Former Wilkinson employee and installation technician, Mike Snee, returned to the company as installation project manager.

Bradford White Water Heaters, provider of the AeroTherm™ Series Heat Pump Water Heater, has completed an agreement to acquire production assets from the heat pump water heater operations of GE Appliances (GEA), a Haier company.

Due to industry-wide increases in components and materials, including rapidly surging steel prices, Baltimore Aircoil Co. announced a price increase.

The Wrench Group, a home maintenance and repair company specializing in heating, ventilation, air conditioning, plumbing, and electrical services, announced the acquisition of Baker Brothers in a deal aimed at expanding its presence in the Dallas market.

Entech Sales and Service Inc. announced they are acquiring Oklahoma City-based Logical Building Solutions Inc. Entech will merge all assets and operations of LBS into its existing business structure. Entech’s new Oklahoma City office will operate under the name Logical Building Systems.