Commercial HVAC Repair in Arizona — Fast, Reliable Service for Any System

Minimize Downtime. Restore Comfort. Keep Business Moving.

A commercial HVAC breakdown can bring your business to a standstill. Whether you’re dealing with an office that won’t cool, a restaurant trying to keep guests comfortable, or a facility where equipment depends on consistent indoor temperatures, every hour matters.

Andrew’s provides commercial HVAC repair for businesses across Arizona, restoring rooftop units, split systems, chillers, boilers, and custom-fabricated HVAC systems to get your operation back on track as quickly as possible.

Commercial HVAC Repair Services — What's Included

Commercial HVAC systems are larger, more complex, and often serve multiple zones or occupied spaces at once. When something goes wrong, the impact extends far beyond comfort. A malfunctioning system can bring daily operation to a complete halt, making both employees and customers uncomfortable and increasing operating costs if left unresolved.

Our team repairs a wide range of commercial heating and cooling systems found throughout Arizona, including:

Whether your system needs a straightforward repair or the damage points to a larger issue, our team can recommend the right solution. As part of our commercial HVAC repair and installation services, we also help businesses plan equipment replacements and systems upgrades when repairs are no longer cutting it.

Rooftop Unit (RTU) Repair

Rooftop package units are among the most common commercial HVAC systems in Arizona, where triple-digit heat, blowing dust, and monsoon debris put critical components through demanding conditions for months.

Our technicians diagnose issues such as failed capacitors, dirty condenser coils, refrigerant leaks, and electrical failures, then make the necessary repairs to restore dependable cooling and verify that the system is operating properly before the job is complete.

Ductwork and Ventilation Installation

Properly designed ductwork is just as important as the equipment connected to it. Our team provides commercial HVAC duct installation designs, including diffuser placement and airflow balancing to meet your property’s ventilation requirements. In Arizona’s extreme heat, properly sealed and insulated ductwork also reduces unnecessary energy loss and ensures every part of the system works together efficiently.

What You Get — The Business Case for Fast HVAC Repair

Repairing a commercial HVAC system goes beyond simple quick fixes and replacement parts. It keeps your operations running smoothly.

Here’s how: 

Protect Daily Operations

Keep employees comfortable, customers happy, and your business running with fewer disruptions caused by unexpected HVAC breakdowns.

Extend Equipment Life

Addressing problems early helps reduce unnecessary wear on major components, helping your commercial HVAC system stay in service longer.

Improve Energy Efficiency

Restoring proper system performance can reduce unnecessary energy use caused by airflow restrictions, refrigerant issues, or failing components.

Support Building Compliance

Reliable heating, cooling, and ventilation help maintain a comfortable indoor environment while supporting your building’s operational requirements.

Simplify Commercial Facility Repairs

We also provide refrigeration, plumbing, and construction services, making it easier to coordinate building repairs through a single commercial contractor.

How Our Commercial HVAC Repair Process Works

From the moment you call, we focus on identifying the problem, completing the necessary repairs efficiently, and helping you minimize downtime.

Step 1

Dispatch & On-Site Diagnosis

A commercial HVAC technician is dispatched to your property to inspect the system and identify the cause of the problem. Before we pick up a tool, we’ll explain what we found, answer your questions, and walk you through the recommended repairs.

Step 2

Repair Estimate & Approval

Once we’ve diagnosed the issue, you’ll receive a written estimate outlining the recommended repairs. We don’t begin work until you’ve approved the scope, cost, and plan.

Step 3

Repair & System Verification

After completing the repair, we test the system under normal operating conditions to confirm it’s performing as expected. Before we leave, we document the work completed so you have a record for future maintenance and service.

Step 4

Maintenance Recommendation & Follow-Up

If we notice worn components or maintenance issues that could lead to future problems, we’ll let you know so you can plan. Many businesses also choose our commercial HVAC and refrigeration services to help keep their systems running at their best year-round.

Industries We Serve Across Arizona

At Andrew’s we tailor our commercial HVAC repair and maintenance services to the needs of different industries.

Restaurants & Food Service

A cooling issue can quickly affect employee comfort, customers, and temperature-sensitive equipment. We also provide commercial food service equipment repair, giving restaurants a single source for multiple commercial systems.

An uncomfortably cold building isn’t a place customers tend to stick around. Keeping your HVAC system running helps create a better experience from the moment they walk through the door.

When one area loses cooling, it doesn’t take long before phones start ringing. We help property managers resolve issues quickly while minimizing disruptions for tenants. 

Large commercial buildings often require specialized equipment and custom ductwork. Our team has the experience to service these more demanding applications.

Schools, medical facilities, and other occupied buildings depend on consistent heating, cooling, and ventilation to maintain comfortable indoor environments.

Serving Phoenix, Tucson, Flagstaff & All of Arizona

From months of extreme desert heat to monsoon dust and debris, businesses across the state depend on reliable heating and cooling to keep operations running smoothly. Andrew’s provides commercial HVAC repair services throughout Arizona, with technicians who understand how local conditions affect commercial equipment.

We proudly serve businesses throughout: Phoenix, Tucson, Flagstaff, Prescott, Tempe, Mesa, Peoria, and more!

Why Choose Andrew's for Commercial HVAC Repair

Andrew’s expert team can handle everything from routine repairs to complex commercial projects, helping businesses avoid the headache of managing and coordinating multiple contractors.

Here’s why businesses trust our crew: 

Built For Commercial Properties

Our technicians work with larger, more complex systems designed for offices, restaurants, retail spaces, industrial facilities, healthcare buildings, and more.

More Than HVAC

In addition to commercial HVAC, Andrew’s provides refrigeration, plumbing, and construction services, giving property owners and facility managers one experienced partner for a wide range of commercial needs.

Custom Fabrication When It's Needed

Not every repair has an off-the-shelf solution. Our fabrication capabilities allow us to modify or build ductwork and HVAC components for buildings with unique system requirements.

Arizona Experience That Matters

From rooftop units working through Phoenix summers to heating systems serving northern Arizona, we understand how the state’s climate affects commercial HVAC equipment across different regions.

Licensed To Serve Businesses Statewide

Our technicians provide commercial HVAC services throughout Arizona, delivering the same level of professionalism and technical expertise to businesses statewide.

What Arizona Business Owners Say About Andrew's

"I am happy with the work we received and they worked with me on another issue that came up, and when we were in a real jam with the walk-in heating up and we have 100+ pizza doughs in there -and the heat makes them rise, they were on their way and worked until it was figured out. Good people and the Tech was sharp too. Jet's Pizza-Peoria recommends Andrew's for the work and integrity."
"I wanted to send you a note and thank you again for your generosity and kindness last week. The difference in kitchen temperatures are night and day. My staff is enjoying their jobs a lot more because of your efforts!"
Charlie P.
"I’m highly satisfied with Andrew’s Refrigeration, they were very punctual. They came out to fix my A/C and even gave me tips on how to upkeep my system. I would recommend them to anyone and will definitely be using their services in the future."

FAQs

How much does commercial HVAC repair cost?

It starts with figuring out what’s actually wrong. Replacing a capacitor is very different from replacing a compressor, so we’ll inspect the system first, explain what we found, and provide a written estimate before any work begins. 

We offer 24/7 emergency commercial HVAC repair, and we’ll dispatch a technician as quickly as possible based on your location and the urgency of the situation.

We service most commercial heating and cooling systems, from rooftop units and split systems to chillers, boilers, air handlers, and custom HVAC equipment. If you don’t know what type of equipment your building has, we’ll identify it during our inspection.

Yes. Routine maintenance helps catch worn components before they cause unexpected breakdowns, improves system performance, and can extend the life of your equipment.

Yes. Andrew’s performs commercial HVAC work in Arizona in accordance with applicable state licensing requirements, and our technicians follow industry standards for refrigerant handling and system repairs.

Request Commercial HVAC Repair in Arizona

When your building depends on reliable heating and cooling, you need a team that understands the demands of commercial HVAC systems and Arizona’s climate. Andrew’s provides commercial HVAC repair for businesses throughout the state, whether you’re dealing with an unexpected breakdown or scheduling service to keep your equipment operating at its best.