Commercial HVAC & Refrigeration in California
CoolSys offers comprehensive commercial HVAC and refrigeration solutions, as well as industrial HVAC and refrigeration services throughout the state of California.
Dedicated to Keeping Businesses in California Running at Peak Performance
CoolSys proudly supports businesses throughout California, ensuring the reliability and performance of their HVAC and refrigeration systems. Our expertise spans a wide range of industries, including grocery stores, convenience stores, restaurants and cafes, healthcare facilities, manufacturing plants, data centers, and institutional buildings.
As California’s leading commercial HVAC and refrigeration company, we provide end-to-end lifecycle solutions. From installation and repairs to ongoing maintenance and refrigeration services, CoolSys is your trusted partner for all your commercial and industrial HVAC and refrigeration needs. We are committed to providing energy-efficient and sustainable HVAC solutions to businesses in California.
Who We Serve
Commercial HVAC Services in CA
CoolSys specializes in complete life cycle commercial refrigeration and HVAC services tailored to Orange County businesses. No matter if you operate a grocery store in Tustin, manage a cafe in Laguna Hills or oversee a food manufacturing facility in Northern California, we deliver:
- 24/7 emergency repair: Our commercial HVAC contractors in California respond promptly to critical breakdowns, minimizing downtime and product loss.
- Preventive maintenance: We offer customized maintenance programs that reduce emergency repairs by up to 40% and extend equipment life.
- System installation: Our services include expert installation of energy-efficient HVAC and refrigeration systems, including low-GWP and CO2 refrigeration solutions.
- Sustainable end-of-use solutions: We provide turnkey equipment removal with recycling or reselling options to meet your environmental, social and governance (ESG) goals.
California’s Commercial Refrigeration Repair and Services Pros
CoolSys is California’s top choice for commercial refrigeration. We understand the critical importance of product integrity and precise temperature control. Rely on our team’s unmatched refrigeration expertise for all your needs, such as :
- 24/7/365 rapid-response emergency refrigeration repairs
- CO₂ refrigeration or low GWP refrigerant based system installation and integration
- Preventive maintenance to reduce downtime risk
- Proactive performance monitoring and analytics
- Industrial-scale refrigeration solutions for cold storage and production lines
Fast Casual Restaurant and Café Service in California
CoolSys proudly supports the HVAC and refrigeration needs of fast-casual restaurants and cafes throughout California.
Count on us for expert installation, preventive maintenance, and prompt repairs that extend your equipment’s lifespan, minimize downtime, and lower operating and energy costs
One team and one phone call to make—it’s a great way to save time, money and hassle.
Industrial HVAC-R Solutions in California
CoolSys supports some of California’s most demanding industrial facilities with comprehensive HVAC and refrigeration services tailored to your needs, including:
Food & Beverage Manufacturing Facilities: We specialize in creating temperature-controlled environments for production, processing, and storage. From system design and installation to upgrades, preventive maintenance, and 24/7 emergency repairs, we’ve got you covered. Plus, our expertise in CO2 refrigeration ensures energy-efficient solutions that meet regulatory compliance.
Cold Chain Warehouses: Whether it’s large-scale refrigeration systems or precise climate control, we ensure seamless cold storage operations. Our team excels in CO2 system installation and maintenance, energy-efficient retrofits, and fast-response repair services tailored to the needs of cold chain facilities.
Data Center Cooling & Power Solutions in California
CoolSys delivers turnkey cooling and power solutions for data centers of all sizes, from hyperscalers to colocations and edge data centers in California. From planning and construction to operation and maintenance, we support every stage of your facility’s lifecycle.
Our comprehensive services include:
- Complete MEP/FP engineering and design support
- Specialized cooling equipment expertise
- Management of all power and cooling equipment installation, start up, commissioning
- Microgrid with renewable sources of energy and CHP systems
- Customized strategies for energy efficiency and optimization
- Innovative bridge-to-powersolutions
- Cost-effective strategies for energy resilience
By optimizing energy utilization, eliminating transmission fees and unlocking opportunities for grid service revenues, CoolSys helps data centers achieve a lower levelized cost of energy utilized (LCOE), while helping you lower your carbon emissions
CoolSys 360 Energy Solutions in California
Our energy solutions help maximize building efficiency, reduce operational costs and extend the lifecycle of your equipment.
CoolSys delivers integrated systems that perform at optimal levels, thanks to our expertise in MEPR/FP (mechanical, electrical, plumbing, refrigeration and fire protection) design.
Our energy services include:
- Comprehensive energy audits and project execution
- Integrated MEPR/FP design and installation
- Lifecycle cost reduction strategies using an optimal kilowatt-hour cost per square foot for consumption
- Advanced control systems that optimize system efficiency
- Sustainable end-of-use equipment recyclingand replacement programs
Why Choose CoolSys for commercial HVAC and Refrigeration Services?
For over 25 years, CoolSys has earned the trust of more than 4,200 customers with an average rating of 4.8/5. Here’s what sets our commercial services apart:
Rapid, reliable service
With technicians stationed throughout Orange County, we guarantee fast response times.
OEM agnostic
Our technicians service all major HVAC and refrigeration brands.
Proven expertise
With more than 110 engineers and energy experts, as well as over 2,500 technicians nationwide, we ensure technical excellence.
National reach, local people
Expect the best results when you work with a national brand that has people on the ground who understand the nuances of the California market.
Comprehensive coverage
We’re California’s trusted HVAC partner for commercial air conditioner maintenance. We go beyond reactive repairs to provide proactive maintenance plans that prevent costly breakdowns and extend equipment life.
Sustainability focus
We provide Industry-leading solutions for reducing emissions and achieving NetZero goals.
CoolSys HVAC & Refrigeration Locations in California
Coolsys serves the needs of businesses in California by offering comprehensive commercial and industrial HVAC, refrigeration, engineering and energy solutions.
CoolSys HVAC- Refrigeration Branches in California are located:
CLC San Francisco
7070 Commerce Cir, Ste A
Pleasanton, CA 94588
C&I Orange County / CED California
4275 N. Palm St., Ste 100
Fullerton, CA 92835
C&I San Diego
8290 Vickers Street, suite H & I
San Diego, 92111
C&I San Fernando Valley
24922 Anza Dr
Valencia, CA 91355
CLC Central California
3563 Landco, Ste A
Bakersfield, CA 93308
CLC LA/ Orange County
1230 N. Simon Circle, Ste A
Anaheim, CA 928067
RSI Sacramento
1172 National Drive, Ste 50
Sacramento, CA 95834
CoolSys Field Support Center ( Headquarter)
145 S State College Blvd #200,
Brea, CA 92821
Our branches are open Monday to Friday from 7 A.M. to 7 P.M., but we provide emergency HVAC/ Refrigeration service 24/6/365. Simply call 866-417-6586.
Join Our Team — We're Hiring in California
As one of Newsweek’s America’s Greatest Workplaces, CoolSys is always looking for talented technicians in throughout California. We offer extensive hands-on training through our Get Paid to Train program with competitive pay, comprehensive benefits and exclusive employee discounts on vehicles, hotels and theme parks.
Enjoy pet insurance, identity theft protection and PTO. Explore open positions and discover our full benefits package. We can take you to the next level and advance your career.
Contact CoolSys for Commercial HVAC Services in California
CoolSys provides fast, expert commercial and industrial HVAC and refrigeration services across Utah. Our national reach and experience ensure a quick response to urgent issues. Discover how seamless operations can benefit your business.
