Commercial Air Conditioning Repair — Seattle

Maintaining a comfortable environment isn’t just about luxury; for Seattle businesses, it’s about protecting inventory, ensuring data integrity, and keeping employees productive. When your system falters, you need more than a “handyman”—you need a specialist who understands the complexity of Pacific Northwest commercial infrastructure.

Fujitsu Halcyon HFI commercial multi-zone heat pump system being serviced on a multi-tenant building rooftop in Seattle by A/C Dr. Naz.

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HVAC/R Certification for Nazarii Tsaruk/A/C Dr. Naz.

Federally Certified HVAC/R Expertise

HVACR certification is a professional credential that demonstrates an individual has completed formal training and met industry standards in heating, ventilation, air conditioning, and refrigeration systems.


Why choose A/C Dr. Naz for Commercial Air Conditioning Repair

At A/C Dr. Naz, we treat your facility like the asset it is. We understand that a cooling failure in a server room or a crowded restaurant is a high-stakes situation.

Local expertise in commercial systems — fast diagnostics, transparent pricing

Seattle’s architecture ranges from historic brick buildings in Pioneer Square to glass-and-steel high-rises in South Lake Union. We specialize in Commercial Air Conditioning Repair that accounts for these unique structural challenges. Our diagnostics are thorough, and our pricing is upfront—no “hidden fees” or “commercial markups” just because you have a business license.

Licensed technicians, bonded & insured

Commercial HVAC equipment is a significant investment. We protect that investment by employing only fully licensed technicians. We carry comprehensive bonding and insurance, ensuring that your property and our team are covered during every commercial HVAC repair project.

Same-day service and scheduled service options

While we do not offer 24/7 emergency calls, we prioritize our commercial clients with guaranteed same-day service for urgent outages. We focus our energy on being there when you need us during business hours, ensuring we arrive with the tools and parts necessary to get you back online.


Our Commercial Air Conditioning Repair Services

We provide a full spectrum of repairs tailored to the specific hardware found in Seattle’s commercial landscape.

Urgent repair & diagnostics — rooftop units, packaged systems, chillers

When the air stops moving, the clock starts ticking. Our lead technicians use advanced thermal imaging and pressure testing to find the “why” behind the failure. Whether it’s a 5-ton RTU or a 50-ton chiller, we aim for a first-time fix.

Rooftop unit (RTU) repairs and replacements

RTUs are the workhorses of Seattle retail and office spaces. We handle everything from belt replacements and motor repairs to full crane-assisted unit swaps if the system is beyond its useful lifecycle.

Chiller troubleshooting and compressor repair

Large-scale facilities often rely on water-cooled or air-cooled chillers. We specialize in troubleshooting complex chiller cycles, oil pressure issues, and major compressor overhauls to keep your central plant running efficiently.

Variable refrigerant flow (VRF/VRV) & split-system service

Perfect for multi-tenant buildings, VRF systems are efficient but complex. Our team is trained in the intricate electronics and refrigerant piping required to keep these high-efficiency systems balanced.

HVAC controls, economizers, and building automation repair

In Seattle’s mild climate, economizers (using “free” outside air) are vital. If your dampers are stuck or your sensors are miscalibrated, you’re wasting money. We repair controls and integrate them with your existing Building Automation Systems (BAS).

Preventive maintenance & tune-ups for commercial accounts

The best repair is the one you never have to make. Our maintenance programs follow ASHRAE standards to extend the life of your equipment and prevent mid-summer breakdowns.

Retrofit, upgrades, and energy-efficiency improvements

If your system is aging, we can perform targeted retrofits—such as VFD (Variable Frequency Drive) installations—to slash your energy bills without the cost of a full system replacement.


Typical Problems We Fix

Loss of cooling / capacity issues

If your vents are blowing “room temperature” air, it could be anything from a clogged coil to a failing TXV (Thermostatic Expansion Valve). We find the bottleneck and clear it.

Leaks, refrigerant loss, and compressor failures

Refrigerant leaks are environmental hazards and system killers. We perform electronic leak detection, repair the source, and ensure your system is charged to exact manufacturer specifications.

Electrical faults, contactors, starters, and controls

Commercial units pull a lot of power. Burnt contactors, blown fuses, or failed capacitors are common culprits that we can often fix during a single same-day visit.

Poor airflow, frozen coils, and duct problems

Frozen coils are usually a symptom of a deeper problem—either restricted airflow or low refrigerant. We check your static pressure and duct integrity to ensure air is actually reaching your zones.


Service Area & Coverage

Serving the Seattle metro and surrounding areas

We provide Commercial Air Conditioning Repair for a wide range of properties, including:

  • Multi-tenant office buildings
  • Retail strips and shopping centers
  • Full-service restaurants
  • Industrial warehouses

On-site assessments across downtown, industrial corridors, and suburban business parks

From the busy streets of Downtown and Belltown to the industrial hubs in SODO and the tech corridors of the Eastside, our vans are equipped to handle the logistical challenges of the Seattle metro area.


Commercial Maintenance Plans (Preventive Care)

We offer tiered plans designed to fit your budget and equipment density.

FeatureBasicStandardPremier
InspectionsAnnualBi-AnnualQuarterly
Filter ChangesIncludedIncludedIncluded
Priority DispatchYesHigh PriorityTop Tier
Coil CleaningNoAnnualBi-Annual

Scheduled inspections, filter programs, and seasonal start-ups

We manage the schedule so you don’t have to. Our “set it and forget it” programs ensure filters are swapped and belts are tensioned before the summer heat hits.Industries We Serve

  • Office Buildings: Keeping tenants happy and lease renewals high.
  • Retail & Shopping Centers: Maintaining the “dwell time” of your customers with perfect climate control.
  • Restaurants: Specialized service for hot kitchens and sensitive dining areas.
  • Warehouses & Manufacturing: Protecting inventory and worker safety.
  • Data Centers: Critical cooling for servers where “down” is not an option.

Industries We Serve

  • Office Buildings: Keeping tenants happy and lease renewals high.
  • Retail & Shopping Centers: Maintaining the “dwell time” of your customers with perfect climate control.
  • Restaurants: Specialized service for hot kitchens and sensitive dining areas.
  • Warehouses & Manufacturing: Protecting inventory and worker safety.
  • Data Centers: Critical cooling for servers where “down” is not an option.

Case Studies

Highlight: Rooftop RTU Quick-Fix (Downtown Office) A 10-story office building lost cooling on the top three floors during a June heatwave. A/C Dr. Naz arrived within 4 hours, identified a failed blower motor, and sourced a replacement part locally to restore cooling by 5:00 PM the same day.

Highlight: Energy Savings Retrofit (SODO Warehouse) We replaced aging pneumatic controls with modern digital sensors for a 20,000 sq. ft. facility, resulting in a 18% reduction in monthly cooling costs.


Brands & Equipment We Service

We service all major commercial brands, including:

  • Carrier / Bryant
  • Trane / American Standard
  • York / Johnson Controls
  • Daikin / McQuay
  • Lennox

Our technicians maintain NATE certifications and stay current on the latest inverter-driven technologies.


Pricing, Estimates & Warranties

How we estimate

We provide on-site diagnostics for a flat fee. Once the issue is identified, we provide a transparent, line-item quote. No work begins until you approve the numbers.

Typical turnaround times

Most common repairs (motors, contactors, sensors) are completed same-day. Major repairs requiring specialized parts typically see a 24–48 hour turnaround depending on local parts availability.

Parts and labor warranties

We stand by our work. All commercial repairs come with a standard 1-year labor warranty and manufacturer warranties on all installed parts.


Safety, Compliance & Certifications

Commercial licensing and local code compliance

We ensure every repair meets Seattle mechanical codes and Washington State electrical standards.

EPA refrigerant handling

All technicians are Section 608 Certified, ensuring that all refrigerants are recovered and disposed of according to federal law to protect the PNW environment.

Safety protocols

We maintain strict safety protocols, including LOTO (Lock-Out, Tag-Out) and PPE usage, ensuring a safe environment for your employees and customers while we work.


Request Commercial Service

Need a professional eye on your system? Contact us for same-day Commercial Air Conditioning Repair in Seattle.

  • Facility Type: (Office, Retail, Industrial, etc.)
  • Issue: (No cooling, Noisy unit, High bills, etc.)
  • Preferred Time: (Morning/Afternoon)

Seattle Commercial AC Repair: Frequently Asked Questions