Penguin Air Conditioning provides a range of heating, ventilation and air conditioning services. It offers new construction, maintenance and facility management services. The company operates and maintains commercial mechanical and electrical power delivery systems. Penguin Air Conditioning provides ductwork, steam fitting, insulation and rigging services. It also offers water treatment, air and water balancing, operation, commissioning and startup services. The company additionally provides equipment procurement, guarantee and installation services. Penguin Air Conditioning maintains a staff of architects, engineers and project managers. It employs more than 150 technicians. The company is a wholly owned subsidiary of EMCOR Group, which is one of the leading providers of mechanical and electrical construction and facilities services worldwide.

CoolSys Energy Design, formerly Energy Squared, is a consulting engineering firm providing single-source MEPR/FP (mechanical, electrical, plumbing, refrigeration, building controls, and fire protection) engineering design and analysis for both new construction and existing building remodels. In addition, CoolSys Energy Design offers building energy and emissions modeling as well as renewable system feasibility studies with a sharp focus on sustainability and decarbonization.