Commercial Furnace Repair in Calabasas

Why Calabasas Businesses Choose #1 AC Guys

We are a family‑owned HVAC company in our fourth generation, delivering more than 80 years of engineering experience to every call. Our factory‑trained engineers have studied at manufacturer facilities including Fujitsu Japan, Mitsubishi Electric Thailand, Midea, Gree, and Haier, bringing real‑world, multi‑brand expertise to complex commercial systems. We specialize in large and challenging projects that demand accurate diagnostics, meticulous repairs, and safe, code‑compliant operation. Above all, our mission is healthier indoor air for a healthier life, which means we focus on comfort, safety, and air quality together, not just quick fixes.

Commercial Furnace Systems We Repair

Rooftop packaged gas and electric units RTUs
Commercial gas furnaces and duct heaters
Split systems and heat pump heating including VRF and VRV
Make‑up air units, economizers, and ventilation controls
Blowers, VFDs, ignition systems, flame sensors, heat exchangers, and safeties
Smart and programmable thermostats, zone controls, and building management integrations

Common Heating Problems We Solve

No heat or intermittent heat during peak hours
Uneven temperatures, cold spots, and poor airflow in suites or large open areas
Short cycling, frequent lockouts, and nuisance limit trips
High gas or electric usage and declining efficiency
Noisy operation, failed bearings, and vibration in rooftop equipment
Ignition failures, dirty burners, cracked heat exchangers, and CO safety risks

Our Repair Process

Rapid response scheduling for Calabasas and nearby communities
Diagnostics with instrumentation, combustion analysis when applicable, and full system inspection
Clear options and pricing before work begins, with recommendations prioritized by safety and business impact
Repairs using quality parts and manufacturer‑aligned procedures
System verification: temperature rise, static pressure, airflow balance, and controls testing
Documentation for property managers and ownership, plus maintenance recommendations to prevent recurrence

Code Compliance and Safety

Our team performs repairs aligned with California Title 24 energy requirements and local codes. We pay close attention to combustion air, venting, economizer operations, gas pressure, and CO monitoring to help safeguard occupants and meet inspection expectations. For rooftop units, we follow safe access protocols and weatherproofing best practices to protect your equipment and roof.

Healthier Indoor Air While We Repair

Heating reliability is only part of the story. We evaluate filtration and ventilation opportunities that improve indoor air quality without sacrificing efficiency. From MERV filter upgrades and coil cleaning to economizer tune‑ups and demand‑controlled ventilation, we help your building breathe better so teams and customers feel and perform their best.

Preventive Maintenance Options

Seasonal tune‑ups for rooftop units and furnaces
Combustion analysis, heat exchanger inspection, and burner cleaning
Fan and belt service, motor and VFD checks, and bearing lubrication
Economizer calibration, sensor verification, and control optimization
Service logs tailored for property managers and multi‑tenant sites
These plans reduce emergency calls, stabilize comfort, and extend equipment life while keeping utility costs in check.

Industries We Serve

Office and medical suites, retail and restaurants, gyms and studios, hospitality, houses of worship, schools, warehouses, and light industrial. We coordinate with facility teams and property managers to minimize downtime and disruption, including after‑hours service when needed.

Local Coverage

We proudly serve Calabasas and surrounding areas including Hidden Hills, Woodland Hills, Agoura Hills, Westlake Village, Malibu, Encino, and Sherman Oaks. Our wider service area spans Los Angeles County and nearby Orange County, Ventura County, and Western Riverside County for multi‑site clients.

Brand Expertise

Our engineers are trained at leading manufacturer facilities and service most commercial makes and models in the field. Whether you run a gas furnace, package unit, or VRF system, we follow best practices that respect manufacturer specifications and local codes for safe, efficient results.

Energy and Cost Savings

Beyond restoring heat, we look for low‑cost adjustments and strategic upgrades that pay back, such as sealing return leaks, recalibrating economizers, optimizing fan speeds, installing smart thermostats, and improving filtration. These steps reduce energy spend, enhance comfort, and support sustainability goals.

Get Service Today

If your Calabasas business needs commercial furnace repair, call #1 AC Guys to schedule a visit. Expect quick dispatch, expert diagnostics, transparent pricing, and repairs performed to a high engineering standard. We are a fourth‑generation family team dedicated to your comfort and indoor air health, ready to keep your building warm, safe, and efficient all season.