Commercial DDC (Direct Digital Controls) in Orange, CA

Your building deserves a controls partner who engineers solutions, not just installs parts. At #1 AC Guys, we design and deliver Commercial DDC systems in Orange, CA that balance comfort, energy, and air quality—so occupants feel better, equipment runs smarter, and facilities teams gain visibility and control.

What we deliver

• Design/build DDC for new construction, tenant improvements, and complex retrofits
• AC PRO‑compatible controls for rooftop units, split systems, heat pumps, and VAV
• Open‑protocol integration with BACnet/IP, BACnet MS/TP, and Modbus
• Custom sequences of operation for ventilation, economizers, demand control, and dehumidification
• Dashboards, trending, alarms, and remote access with secure best practices
• Title 24 and ASHRAE‑aligned strategies for compliance and energy performance
• Commissioning, re‑commissioning, and ongoing optimization
• Service, repairs, and lifecycle planning for reliability and uptime

We specialize in projects where precision matters—multi‑zone buildings, variable‑air‑volume systems, and facilities that require tight environmental control. Our mission is healthier indoor air and dependable comfort with verifiable savings.

AC PRO‑compatible DDC, done right

Whether your site uses AC PRO‑supplied packaged RTUs or a mix of equipment, we engineer DDC that integrates cleanly with your assets. We document I/O, network topology, and sequences so future service is straightforward. Our programming emphasizes stable control loops, sensible alarm thresholds, and readable graphics your team can actually use.

Need to integrate legacy gear? We routinely bridge older systems into modern BACnet architectures, helping you protect past investments while stepping into a more open, flexible future.

Healthy air by design

Healthy buildings are productive buildings. We apply ventilation best practices, demand‑controlled strategies with CO₂ sensing, and filtration monitoring to support indoor air quality. From outside air economizers to advanced occupancy logic, our DDC keeps airflow aligned with real‑world conditions—not guesswork.

Proven engineering lineage

We are a 4th‑generation family of engineers with 80+ years in engineering. Our team has completed factory training at Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China). This depth shows up in the details: meticulous layouts, accurate as‑builts, bulletproof commissioning, and reliable long‑term performance.

Our process

• Discovery and assessment: site walk, control audit, load and zoning review
• Engineering and submittals: drawings, points lists, sequences of operation
• Panel build and installation: clean wiring, labeling, and network setup
• Programming and graphics: intuitive navigation, trends, and alarms
• Commissioning: functional testing, tuning, acceptance, and training
• Optimization: seasonal re‑tuning, analytics, and continuous improvement

Industries we serve

• Office, retail, and mixed‑use
• Healthcare and wellness
• Education and campuses
• Hospitality and entertainment
• Light industrial and warehouses
• HOA and multi‑family common areas

Compliance and energy

We help Orange businesses align with California Title 24 and ASHRAE guidance by implementing measurable control strategies—economizer logic, ventilation verification, scheduling, demand control, and fault detection. The result is lower energy spend without sacrificing comfort or indoor air quality.

Service area

Based in Greater Los Angeles, we serve Orange (Orange, CA) and all of Orange County, plus Los Angeles County, Ventura County, and Western Riverside County. Multi‑site operators can expect consistent standards across locations.

When to call #1 AC Guys

• Your building needs a new or replacement DDC system
• Existing controls are unreliable, locked‑down, or hard to service
• You’re integrating AC PRO‑supplied equipment with a modern BMS
• Title 24 or IAQ requirements are driving a retrofit
• You want actionable dashboards, alerts, and remote visibility

From concept to commissioning—and through every season after—we stand behind our work. If you’re ready to modernize your commercial HVAC controls in Orange, CA with AC PRO‑compatible, open‑protocol DDC engineered for performance, let’s talk.

Get started: request an on‑site assessment from #1 AC Guys and put 80+ years of engineering and four generations of know‑how to work on your building.