Commercial Boiler Repair in Orange for AC PRO Systems

Why Orange Businesses Choose #1 AC Guys

We are a Southern California family business in our 4th generation with 80+ years of engineering experience. That depth shows up in every diagnostic reading, combustion adjustment, and commissioning checklist. Our mission is simple: healthier air and dependable heat for a healthier life at work and at home.

• Commercial boiler specialists for AC PRO systems and complex multi‑boiler plants
• Advanced diagnostics: combustion analysis, thermography, flow/pressure testing, and BAS data review
• Factory‑trained at Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China)
• Code‑compliant repairs aligned with California Title 24 and local permitting requirements
• Energy‑focused restorations that lower fuel spend and prevent premature equipment wear
• Transparent proposals with clear scopes, timelines, and warranty terms

What We Repair and Optimize

From single AC PRO boiler units to staged boiler plants, we diagnose root causes and restore stable, efficient operation.

• No‑heat, lockouts, and nuisance trips
• Ignition and flame‑sense failures, gas valve and burner issues
• Short cycling, poor modulation, and erratic supply/return temperatures
• Heat‑exchanger fouling, scale, and corrosion
• Pumps, couplings, and alignment; expansion tanks and air separators
• Actuators, 3‑way/2‑way valves, sensors, thermostats, and BAS interfaces
• Ventilation and flue drafting, condensate management, and makeup water
• Domestic hot water priority and storage integration for commercial DHW

AC PRO‑Focused Expertise

We repair and maintain AC PRO commercial boiler systems and AC PRO‑supported hydronic components with a focus on reliability, safety, and lifecycle value. Our team sources high‑quality, compatible parts and configures controls to manufacturer specifications while aligning with your building’s operating schedule. Whether you run a single boiler or a staged array, we calibrate combustion, verify flow, and balance heat delivery to every zone.

Our Proven Repair Process

• Discovery: We review symptoms, alarms, service history, and your comfort or process requirements.
• On‑Site Diagnostics: Full inspection, combustion analysis, leak checks, pump and control testing.
• Safety & Compliance: Venting, gas train, clearances, backflow, and sensor verification to code.
• Transparent Estimate: Line‑item scope, options, and timelines so you can choose with confidence.
• Precision Repair: Parts replacement, cleaning, retubing/descale, control recalibration, and tuning.
• Commissioning: Verify setpoints, modulation, staging, and BAS communication; document results.
• Maintenance Plan: Water treatment, seasonal start‑ups, and performance monitoring to prevent recurrence.

Industries We Serve in Orange, CA

We support diverse commercial facilities across Orange with responsive repair and proactive maintenance.

• Office and corporate campuses
• Retail, restaurants, and hospitality
• Schools, universities, and child care
• Medical offices, clinics, and labs
• Warehouses and light manufacturing
• Multifamily and mixed‑use properties
• Religious and municipal buildings

Healthy Air Starts with a Healthy Boiler

Combustion quality, venting integrity, and moisture control all influence indoor air quality. By correcting fuel/air mix, sealing exhaust paths, eliminating leaks, and stabilizing hydronic temperatures, we help your building’s air stay cleaner and more comfortable. Our factory training at Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China) informs our rigorous, systems‑level approach—especially when hydronic coils and airside equipment must work in sync.

When to Call #1 AC Guys

• Rising gas bills or dropping efficiency
• Uneven heating, cold spots, or frequent short cycling
• Ignition delays, rumbling, or whistling noises
• Visible leaks, scale buildup, or rusty water
• Low pressure, air in lines, or cavitating pumps
• Alarms, lockouts, or BAS fault notifications
• Exhaust or combustion odors—address immediately for safety

Service Area

Located in Greater Los Angeles, we proudly serve Orange and all of Orange County, plus Los Angeles County, Ventura County, and Western Riverside County. If your facility sits near county borders, we likely cover you—ask our dispatch for availability.

Preventive Care and Upgrades

After repairs, we can right‑size maintenance to your plant: combustion checks, water treatment, strainer cleaning, inhibitor dosing, and seasonal tune‑ups. If efficiency targets demand more, we plan upgrades—pumps with VFDs, optimized staging logic, sensor recalibration, and control sequencing—to cut fuel use and extend equipment life.

Ready to Restore Reliable Heat?

For fast, precise commercial boiler repair in Orange that keeps AC PRO systems running safely and efficiently, partner with #1 AC Guys. Tell us what you’re experiencing, and our engineers will schedule same‑day diagnostics and a clear, actionable repair plan.