Commercial HVAC Service in the South Bay

At AC Plumbing, Heating & Air Conditioning, we specialize in comprehensive commercial HVAC services for businesses, offices, retail spaces, and light industrial facilities. From routine maintenance to full system design and installation, we’re your trusted partner for heating, cooling, and ventilation solutions that work. Our team is experienced, reliable, and honest—qualities that define every project we take on. Call us for references and see why local businesses trust us to keep their environments running smoothly.

Light Commercial Packaged Rooftop Units

Our commercial clients rely on us for the installation and maintenance of light commercial rooftop units—versatile, self-contained systems that are ideal for single or multi-zone applications. Whether you’re looking for heating, cooling, or a mix of both, these units offer scalable solutions for a variety of commercial spaces. We install high-efficiency equipment from industry-leading manufacturers, ensuring long-lasting performance and energy savings.

Commercial HVAC Installation & Design-Build Services

A high-performing HVAC system starts with proper planning and design. We offer expert design-build services tailored to your building’s specific needs. Unlike many contractors who cut corners or skip the load calculations, we take a data-driven, performance-focused approach. We evaluate airflow requirements, building insulation, occupancy, and equipment load to create a system that delivers consistent comfort while minimizing energy costs.

Whether you’re constructing a new facility, expanding, or upgrading outdated systems, our installation work is efficient, compliant, and built to last.

Reliable Commercial HVAC Maintenance

Preventative maintenance is critical to protecting your investment and avoiding costly breakdowns. Our commercial HVAC maintenance services are thorough and proactive—we inspect, test, clean, and calibrate all components to ensure maximum system efficiency and reliability. Routine service helps reduce unexpected repairs, extends equipment life, and keeps utility bills manageable. Let us develop a custom maintenance plan that fits the needs of your business and your equipment.

Commercial HVAC Repairs & Retrofits

When your HVAC system falters, you need a fast and effective fix. Our technicians are trained to diagnose and repair all major commercial systems. We arrive quickly, work cleanly, and aim to restore comfort with minimal disruption to your operations.

Looking to modernize your current setup? We also provide retrofit services—upgrading old or inefficient components with new technology to improve performance without the cost of a full replacement.

Need a dependable commercial HVAC contractor?

Call AC Plumbing, Heating & Air Conditioning today to discuss your project or request a service appointment.