Commercial Sensor Calibration in Fullerton

What We Calibrate in Commercial Facilities

Accurate sensors are the backbone of efficient, healthy buildings. Our team calibrates and verifies:

• Temperature sensors and thermostats (supply/return air, space temp, mixed air)
• Humidity and dew point sensors for comfort and IAQ control
• CO2 and VOC sensors for ventilation demand and compliance
• Static and differential pressure transducers (duct, filter, space, hydronic)
• Airflow sensors and VAV box flow rings
• Refrigeration, condenser, and chilled/hot water loop sensors
• Current/voltage inputs for fans, pumps, and compressors

We service RTUs, VAVs, AHUs, heat pumps, mini-splits, DOAS units, boiler/chiller plants, and integrated BMS/BAS platforms in Fullerton commercial properties.

Why Calibration Matters

• Energy performance: Precise data prevents short cycling, over-ventilation, and wasted runtime.
• Comfort and productivity: Stable temperature and humidity improve occupant experience.
• Indoor air quality: Correct CO2 and airflow readings safeguard ventilation rates.
• Compliance and documentation: Helps align with Title 24 and ASHRAE guidelines.
• Equipment longevity: Balanced operation reduces wear and unplanned downtime.

Even small sensor drift can skew setpoints and trend data. Calibration restores truth to your controls so your building operates as designed.

Our Calibration Process

• Consult and scope: Review assets, points lists, BMS graphics, and pain points.
• Baseline testing: Compare live readings to NIST-traceable reference instruments.
• Adjustment and correction: Calibrate or replace sensors, update offsets, and verify control responses.
• Functional testing: Validate sequences of operation after calibration.
• Reporting: Deliver calibration certificates, before/after data, and recommendations.
• Ongoing care: Optional sensor health schedules aligned with your maintenance plan.

We coordinate with building engineers to minimize disruption, scheduling work during low-traffic windows whenever possible.

Standards and Alignment

Our methods align with industry best practices and help your facility meet California Title 24 energy requirements and ASHRAE guidance for comfort, ventilation, and system performance. All reference tools are maintained to NIST-traceable standards for reliable, repeatable results.

Who We Serve in Fullerton

• Corporate offices and campuses
• Retail, restaurants, and entertainment venues
• Manufacturing, warehouses, and light industrial
• Healthcare clinics and senior living
• Schools, universities, and labs
• Hospitality and mixed-use properties

We understand the local climate and operational needs across Fullerton, as well as nearby Orange County communities including Anaheim, Brea, Placentia, Buena Park, La Habra, and Yorba Linda.

Why Choose #1 AC Guys

• 80+ years of engineering expertise from a fourth-generation family business
• Factory trained at Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China)
• Specialists in complex commercial systems and multi-site portfolios
• NIST-traceable calibration with clear, audit-ready documentation
• Data-driven recommendations that cut energy use and improve IAQ
• Local, accountable, and focused on long-term building health

Our mission is healthy indoor air for a healthy life. Accurate sensors are the first step toward smarter ventilation, better comfort, and dependable compliance.

Integrated Projects and Upgrades

Beyond calibration, we can assist with sensor selection, placement optimization, BMS point mapping, and sequence tuning so your system responds correctly to validated inputs. When sensors are beyond spec, we provide like-for-like replacements and recalibrate the control loop for stable operation.

Service Area

#1 AC Guys serves Fullerton and Orange County, with broader coverage across Los Angeles County, Ventura County, and Western Riverside County. Whether you manage a single building or a regional portfolio, we bring the same engineering rigor to every site.

Get Started

Restore accuracy to your HVAC and building automation system with professional commercial sensor calibration in Fullerton. Contact #1 AC Guys to schedule an assessment, request a quote, or build a proactive calibration plan that supports energy savings, comfort, and code alignment.