Commercial Sensor Calibration in Long Beach

What We Calibrate for Long Beach Commercial Facilities

Accurate sensors are the foundation of stable comfort, healthy IAQ, and energy‑efficient operation. Our commercial calibration services cover the full HVAC and BAS stack common in offices, medical and life‑science, education, retail, hospitality, industrial, and mixed‑use properties.

• Temperature sensors: space, return, discharge, mixed air, slab, and pipe
• Relative humidity and dew point sensors for IAQ and dehumidification control
• CO2 and IAQ sensors for ventilation and demand‑controlled ventilation
• Static and differential pressure sensors: duct, filter, room, and building
• Airflow sensors and VAV/FPB flow rings and transducers
• Economizer, enthalpy, and outdoor air sensors for free cooling optimization
• Refrigerant, hydronic, and condenser water temperature/pressure sensors
• RTU, heat pump, DOAS, and AHU control point verification

We support AC PRO–supplied equipment and components and ensure compatibility across your controls architecture so your system responds reliably to real‑world conditions.

Our Calibration Method: Precise, Documented, Traceable

We bring an engineer’s discipline to every calibration. The process is designed to minimize disruption while maximizing clarity and repeatability.

• Plan: Review equipment schedules, sequences, and BAS point lists; define test ranges and acceptance criteria.
• Isolate: Safely place devices in test mode or isolate loops to avoid unintended changes to comfort or safety.
• Measure: Use NIST‑traceable reference instruments to validate readings across operating ranges.
• Adjust: Calibrate or apply offsets per manufacturer guidance; repair or replace where required.
• Verify: Re‑test and document final values; restore sequences and alarms; confirm trend integrity.

You receive a clear report with before/after data, device locations, serials, pass/fail status, offsets applied, and recommended follow‑ups. This transparency supports maintenance planning, QA/QC, and audit needs.

Benefits for Your Building in Long Beach

• Healthier indoor air: Proper ventilation and filtration control depend on accurate CO2, humidity, and pressure data.
• Lower energy use: Correct economizer and setpoint decisions reduce waste and equipment strain.
• Comfort consistency: Stable temperature and airflow improve occupant satisfaction and productivity.
• Fewer nuisance alarms: Reliable points enhance BAS logic and service triage.
• Longer equipment life: Balanced operation reduces short‑cycling and premature wear.

Our mission is healthy indoor air for healthy lives—and calibration is the fastest way to make your controls as smart as your design.

Engineers First: 80+ Years, 4 Generations

#1 AC Guys is a fourth‑generation family of engineers with 80+ years of engineering experience. Our team is factory‑trained at Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China). That depth shows in our ability to troubleshoot complex commercial sites, from legacy retrofits to advanced heat pump and DOAS applications.

We are known for tackling big, multi‑zone, and technically demanding projects and delivering results that align design intent with real‑world operation.

AC PRO–Compatible Service

We support AC PRO–supplied HVAC systems and commonly paired controls and sensors. Whether you run RTUs, split systems, heat pumps, or custom air handlers, we check and calibrate the points that drive your performance so your AC PRO equipment operates to its potential.

Documentation You Can Use

• Device list with locations and identifiers
• Pre‑ and post‑calibration readings with tolerances
• Offsets and adjustments applied
• Deficiency list with risk and priority
• Recommendations for controls tuning and scheduling

Use our report to streamline maintenance, justify improvements, and support efforts to meet applicable standards and owner project requirements.

Industries and Spaces We Serve

• Office, retail, and mixed‑use buildings
• Healthcare clinics and life‑science labs
• Education and public facilities
• Hospitality and entertainment
• Light industrial and warehouses

From a single RTU to a campus with hundreds of VAVs, we scale with your needs while keeping occupants comfortable and operations predictable.

Service Area and Scheduling

We are based in Los Angeles County and proudly serve Long Beach and surrounding areas, including Orange County, Ventura County, and Western Riverside County. We offer flexible scheduling to reduce downtime and coordinate with facilities teams to work safely around occupants and operations.

Get a Calibration Proposal

Ready to improve IAQ, comfort, and energy performance? Contact #1 AC Guys for a commercial sensor calibration proposal in Long Beach. Share your equipment list or BAS point export, and our engineers will scope a right‑sized plan with clear deliverables. Let’s make your data trustworthy—and your building healthier and more efficient.

#1 AC Guys — engineered for healthy air, precision control, and lasting value.