CoolSys - Refrigeration and HVAC Systems

North America's Leading Refrigeration and HVAC Solutions Provider

CoolSys stands as the market-leading provider of sustainable refrigeration, HVAC, energy, and engineering solutions, serving over 45,000 customer locations across North America. Founded in 1997 and headquartered in Brea, California, this privately-held company has grown to employ over 3,700 professionals nationwide, earning recognition by Newsweek as one of America's Greatest Workplaces.

Comprehensive Solutions Across the Equipment Lifecycle

CoolSys delivers complete lifecycle management of mission-critical commercial HVAC and refrigeration systems, serving diverse industries including grocery, retail, food service, industrial, education, healthcare, and government sectors. From engineering and design through installation, maintenance, energy optimization, and asset recommercing, the company's team of experts provides 24/7 nationwide support. CoolSys specializes in low-GWP transition, MEPR/FP engineering, design-build services, and integrated energy supply resilience solutions that help businesses cut costs, optimize critical equipment performance, and lower emissions.

Career Growth In An Essential Industry

• Over 500 active job opportunities across technical, engineering, and support roles
• Comprehensive training programs and professional development initiatives
• Competitive compensation packages with advancement potential
• Work in a stable, recession-resistant industry serving critical infrastructure
• Opportunity to contribute to sustainability and energy efficiency solutions
• Multi-site rollout projects creating diverse career pathways

Culture of Excellence and Safety

CoolSys maintains a strong focus on safety, customer service excellence, and financial performance while fostering a culture that values every team member. The company's strategic growth through acquisitions and organic expansion creates diverse opportunities for professionals seeking to advance in the HVAC and refrigeration industry. With expertise in cutting-edge technology integration and innovative solutions, CoolSys offers professionals the opportunity to work with systems that businesses and communities depend on daily, while making a meaningful impact on environmental sustainability.