Commercial Stadium Cooling & Heating in Ontario, CA

Engineering-First Delivery for Large Venues

As a fourth-generation family of engineers with 80+ years in engineering, #1 AC Guys specializes in complex commercial environments where comfort, safety, and uptime are non-negotiable. For stadium cooling & heating in Ontario, CA, we start with precise load calculations, computational airflow insights, and noise control strategies to ensure every seat, suite, and service area performs under peak capacity. Our mission is healthy indoor air and dependable comfort—game after game, event after event.

• End-to-end design-build, plan/spec, and retrofit capabilities
• Zone-by-zone strategies for bowls, concourses, locker rooms, kitchens, and media areas
• Redundancy planning for critical spaces and broadcast continuity
• Seismic anchorage details and code-aware designs for Southern California
• Commissioning, TAB, and lifecycle optimization

Systems We Design, Build, and Service

• High-efficiency VRF/VRV heat pump systems for suites, clubs, and office/support spaces
• Central chilled/hot water plants with variable primary pumping and heat-recovery
• Packaged and custom AHUs with EC fans, economizers, and low-sone acoustics
• Dedicated Outside Air Systems (DOAS) with energy recovery for balanced ventilation
• Dehumidification and pressurization control for occupant comfort and IAQ
• Kitchen make-up air and high-capacity hood ventilation
• Smoke control interface and stair pressurization coordination
• Temporary/event cooling and heating solutions for tours and seasonal demand

Indoor Air Quality & Fan Comfort

Large venues require robust IAQ without sacrificing energy performance. We apply layered strategies that scale to changing occupancy and outdoor conditions common to Ontario and the Inland Empire.

• MERV-13+ filtration as standard, with HEPA options for select areas
• Demand-controlled ventilation using CO2 and occupancy analytics
• UV-C coil and airstream options to maintain coil cleanliness
• Humidity and temperature stability tuned for crowd density and concessions
• Acoustic treatments and low-vibration mounting for quiet operation

Controls, BMS Integration, and Analytics

We integrate seamlessly with your Building Management System for real-time insight and control. Our controls team designs sequences that anticipate crowd surges, pre-condition zones, and protect equipment while minimizing energy cost.

• Open protocols and secure remote access for operations staff
• Occupancy-based scheduling and setpoint optimization
• Fan pressure optimization and supply air reset strategies
• Fault detection, alarms, and performance dashboards

Compliance, Safety, and Documentation

Our designs align with Title 24, CALGreen, CBC, NFPA, ASHRAE, and SMACNA guidelines. We handle permitting packages, submittals, and closeout documents, including O&M manuals and as-builts. Expect detailed sequences of operation, commissioning plans, and staff training to speed turnover and reduce risk.

We plan for safe egress, smoke control interfaces, and emergency ventilation strategies, coordinating closely with your life-safety team and AHJ requirements.

Procurement and Uptime Support

To minimize downtime, we maintain strong parts pipelines and equipment sourcing through trusted distributors such as AC Pro. That means faster replacements, fewer delays, and tighter event schedules kept on track.

• Preferred supply channels for rapid parts availability
• Staging and craning logistics coordinated for off-hours
• On-site spares strategies for mission-critical spaces

Factory-Trained Expertise

Our engineers are factory-trained at Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China). This training translates into robust designs, precise commissioning, and efficient service for inverter heat pumps, VRF systems, and advanced controls widely used across premium seating, offices, and specialty zones.

Service, Maintenance, and 24/7 Response

Stadium operations never stop. We offer proactive maintenance programs designed around your event calendar to protect comfort, air quality, and energy spend.

• Preventive maintenance with seasonal commissioning and load testing
• Coil cleaning, tube brushing, water treatment, and vibration analysis
• Refrigerant management aligned with California regulations
• Emergency dispatch and rapid response before, during, and after events

Design-Build Advantages for Ontario Venues

With design-build delivery, you get a single accountable partner from concept to handoff. We compress timelines, reduce change orders, and deliver predictable results. Whether you are upgrading an aging chiller, adding a premium club, or modernizing suites with VRF, we engineer to your budget, schedule, and performance KPIs.

Where We Work

Based in Los Angeles and serving nearby regions, we support stadium and arena projects in Ontario, CA and surrounding areas across Los Angeles County and nearby Orange County, Ventura County, and Western Riverside County. If your venue is in the Inland Empire near Ontario, ask about our same- or next-day site walks and mobilization.

Get Started

Bring #1 AC Guys in early for load modeling, concept alternatives, and a clear phasing plan that keeps events running. Request a consultation for commercial stadium cooling & heating in Ontario, CA—and tap a fourth-generation engineering team committed to healthy air, comfort, and reliability at scale.