Commercial HVAC Solutions — From Ductwork to Chillers
Your Trusted Partner for Commercial, Industrial & Multifamily HVAC Services
Committed to Quality & Customer Satisfaction
At Quantum Heating & Air Conditioning Inc., quality isn’t just a promise — it’s our standard. Serving Southern California with precision HVAC solutions, we’re dedicated to delivering reliable performance, code-compliant installations, and responsive service across residential, commercial, and multi-family projects. Every system we design and install reflects our commitment to craftsmanship, energy efficiency, and long-term value. Above all, we prioritize customer satisfaction — listening closely, communicating clearly, and ensuring every client feels confident and cared for from start to finish
Why Choose Quantum Heating & Air Conditioning?
- Responsive & Professional Service
- A Partner You Can Rely On
- Energy-Efficient, Cost-Effective Solutions
- Attention to Detail & High-Quality Work
- Customer Satisfaction at the Center of Everything
- Commitment to Safety and Industry Standards
Expert HVAC, Ducting, RTUs & Chiller Solutions for Commercial Buildings.
Supporting your building’s performance with reliable ducting, RTUs, chiller systems, and preventive maintenance.
Roof Top Units (RTUs)
Expert installation and service for commercial rooftop units, ensuring reliable performance, efficient airflow, and long‑term system durability.
Metal Ducting
Professional fabrication and installation of commercial‑grade metal ducting, engineered for optimal airflow, durability, and seamless integration with RTUs, chillers, and building HVAC systems.
Chillers
Professional installation and service of commercial chiller systems, delivering reliable cooling performance, efficient operation, and expert maintenance to keep your facility running at peak capacity
Repeated Maintenance Programs
Quarterly maintenance programs are designed to keep your HVAC systems operating efficiently year‑round, reducing downtime, extending equipment life, and protecting your business from unexpected repair costs
Quantum’s custom metal ductwork strikes the perfect balance of precision and performance. Clean lines, solid construction, and airflow that moves exactly the way it should — it’s the kind of craftsmanship we respect. If you’re looking for ductwork built to last and built to look good doing it, these are the folks to call.
FENDER
Corona, CA
See Our Work in Action
Explore the quality, detail, and precision we bring to every job
Our Commitment to Excellence
At Quantum Heating & Air Conditioning Inc., excellence isn’t a slogan — it’s the standard behind every installation, every service call, and every piece of equipment we touch. We take pride in delivering precise workmanship, dependable performance, and solutions built to last. From custom metal ducting to RTUs, chillers, and ongoing maintenance, our team is dedicated to doing the job right the first time and supporting your facility with the professionalism your business deserves.
Service Request
After you complete this order request, we will contact you to review the details and availability before we complete the order.
If you would like faster service and direct information on current stock and pricing, please contact us at (951) 541-5579 or estimates@quantumhvac.com
Why Choose Quantum HVAC?
Precision-Engineered Installations
Quantum delivers clean, code-compliant HVAC systems built for long-term performance. From custom ducting to full mechanical scopes, every installation reflects technical expertise and industrial-grade craftsmanship.
Preventive Maintenance That Protects Your Investment
Our commercial maintenance programs reduce downtime, extend equipment life, and improve energy efficiency — backed by detailed reports and consistent service. Clients stay ahead of problems and in control of costs.
Fast, Professional Repairs That Minimize Disruption
When systems fail, Quantum responds quickly with accurate diagnostics and clean, organized repairs. We service RTUs, split systems, chillers, exhaust, and more — restoring comfort and operations without delay.
Licensed, Certified, and Committed to Excellence
Quantum is a C-20-licensed contractor, EPA 608-certified, and Title 24-compliant. We prioritize safety, communication, and clean workmanship — earning trust through every phase of the project.
Commercial Expertise with Multifamily Capabilities
Quantum specializes in commercial and industrial HVAC, and we also deliver full mechanical scopes for new construction multifamily projects. From ducting and split systems to ventilation and commissioning, our team supports general contractors with clean, code-compliant installations built for long-term performance.