Commercial Boiler Repair in Rialto for AC PRO Systems

#1 AC Guys provides expert commercial boiler repair for AC PRO systems in Rialto, CA—focused on safety, uptime, and energy efficiency. As a fourth‑generation family of engineers with 80+ years in engineering, we’re built for complex hydronic challenges that demand rigorous diagnostics, precise adjustments, and clean, code‑compliant workmanship.

What we repair on AC PRO commercial boiler systems

• Burners, ignition components, flame sensors, gas trains, and regulators
• Primary/secondary pumps, VFDs, air separators, expansion tanks, and valves
• Controls, BAS/BMS integration, sensors, safeties, and lockouts
• Heat exchangers, condensate assemblies, venting, and flue systems
• Combustion tuning, O2/CO analysis, and efficiency optimization
• Distribution issues: air‑bound loops, balancing, and zoning problems

Why choose #1 AC Guys

• 80+ years in engineering, 4th‑generation family team—built for big, complex projects
• Factory‑trained by Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China)
• Deep commercial expertise: multifamily, education, healthcare, industrial, retail, hospitality
• California code and air‑quality awareness (e.g., SCAQMD rules) and Title 24‑minded solutions
• Clear reports, root‑cause findings, and repair roadmaps to protect lifecycle costs
• Fast response in Rialto with minimal business disruption

Common signs your boiler needs service

• No heat, uneven temperatures, or frequent cycling
• Rising gas or power bills without changes in usage
• Alarms, lockouts, or nuisance trips on safeties
• Unusual smells, noises, or evidence of combustion issues
• Air in lines, poor flow, or zones that never satisfy setpoint

If you notice any of the above, prompt diagnostics can prevent damage to heat exchangers, pumps, and controls—saving time and budget.

Our repair process

• Discovery and safety: Verify operation, perform visual and combustion safety checks
• Diagnostics: Trend controls, test components, and isolate root causes
• Plan and price: Present options—repair, rebuild, or optimize—to meet your goals
• Execution: Code‑compliant repairs, clean installation practices, documented results
• Verification: Combustion tuning, efficiency checks, and performance sign‑off
• Prevention: Maintenance and monitoring recommendations tailored to your facility

Engineered for reliability and healthy air

Our mission is healthy air and steady comfort for productive, safe buildings. Boiler performance directly affects indoor air quality and occupant wellbeing. By restoring correct combustion, stable hydronic flow, and precise control logic, we reduce emissions, stabilize temperatures, and protect the spaces people use to live, learn, and work.

AC PRO systems and parts

We service AC PRO–brand and AC PRO–compatible commercial boiler and hydronic components widely used across Southern California. Our team sources quality, code‑appropriate parts and verifies compatibility, so your system returns to reliable operation quickly.

Service area coverage

We proudly serve Rialto and neighboring Inland Empire communities from our Greater Los Angeles base, with regular coverage across Los Angeles County and nearby regions including Orange County, Ventura County, and Western Riverside County. Need priority response in Rialto? Contact us—same‑day slots are often available.

Industries we support

• Apartment and mixed‑use communities
• Schools, colleges, and municipal facilities
• Healthcare and senior living
• Industrial, logistics, and distribution centers
• Hospitality, retail, and offices

Preventive maintenance for AC PRO boilers

Regular service reduces emergency calls, stabilizes energy spend, and extends asset life. Our PM visits typically include combustion analysis and tuning, safety and control testing, pump and valve checks, air removal and water quality review, and seasonal startup/shutdown procedures. Ask about custom PM plans for Rialto facilities.

Frequently asked questions

Do you handle emergency commercial boiler calls in Rialto?

Yes—contact us for rapid dispatch. We prioritize heat‑critical sites and can often provide same‑day service.

Can you work on large, multi‑boiler plants?

Absolutely. Our engineers regularly troubleshoot staging, lead/lag controls, and hydronic balancing across multiple boilers and zones.

Will repairs meet local codes and air‑quality requirements?

We follow California codes and local air‑quality rules (including applicable SCAQMD requirements) and document settings and readings after repairs or tuning.

Ready to restore heat and efficiency?

Call or text #1 AC Guys to schedule commercial boiler repair in Rialto. Get expert diagnostics, clear options, and durable, code‑compliant fixes for your AC PRO system—delivered by a fourth‑generation family of engineers with 80+ years in engineering.

Healthy air. Reliable heat. Professional results. That’s #1 AC Guys.