Commercial HVAC/R Repair for Greater Seattle
HVAC/R is commercial refrigeration and commercial HVAC repair. We also handle commercial appliance repair for Greater Seattle businesses.

EPA Universal certified • HVAC/R-trained technician • Licensed & insured
Recent refrigeration & cold-side work
Commercial refrigeration repair
Walk-ins, reach-ins, and prep tables. Medium-temp walk-in cooler repair and low-temp walk-in freezer repair are separate hubs. Ice machines go to commercial ice machine repair.
What we address
- Temperature recovery, controls, and defrost problems
- Compressors, fans, coils, and electrical faults
- Refrigerant handling and leak diagnosis (EPA-compliant)
- Walk-in and line equipment prioritized when product is at risk
- Warm or climbing medium-temp walk-ins: emergency walk-in cooler repair
How we work
We start with system behavior and operating pressures—not guess-and-replace. You get a clear explanation of what failed, what we recommend now, and what can wait.
Commercial appliance repair
Cooking-line equipment—ovens, ranges, fryers, and steamers—belongs on commercial kitchen equipment repair. The broader facility catalog is commercial appliance repair.
Built for busy kitchens
- Commercial-grade components and wiring demands
- Safety-first testing after repairs
- Coordination with your staff around peak hours when possible
How we work
We diagnose for reliable return-to-service, explain what failed in plain language, and prioritize repairs that protect safety, uptime, and kitchen flow.
Commercial HVAC repair
Comfort and ventilation issues in commercial spaces affect staff, customers, and sensitive equipment. We provide commercial HVAC repair focused on commercial equipment and usage patterns, so your property gets technician attention matched to how the system runs day to day.
Typical commercial contexts
- Rooftop and packaged units: commercial RTU repair; cooling-only: commercial AC repair
- Airflow, cooling, and control problems that interrupt operations
How we work
We diagnose system behavior and controls, prioritize business continuity, and recommend repair paths that fit your operating hours and equipment demands.
Why Business Owners Choose A/C Dr. Naz
- Diagnostics first: Root-cause testing before major part swaps.
- Plain-language updates: You should know what is happening and why.
- Commercial mindset: Inventory, health inspections, and peak service hours matter.
- Documented expertise: EPA Universal and formal HVAC/R training—stated simply, not repeated in three sections.
From recent commercial jobs across Puget Sound
Service area
We serve Seattle and nearby communities across the Greater Seattle area, including Bellevue, Everett, Bothell, Woodinville, Marysville, Kirkland, Redmond, Mercer Island, Sammamish, Issaquah, and surrounding cities.
City and service lists are on the service directory. Not sure if you are in range? Call and we will confirm.
Field photos from service calls
Equipment troubleshooting
Symptom-first guides for commercial equipment. Choose a category, then open the matching guide. These are safe checks, not DIY repair.
Technical notes from the field
Case studies, checklists, and field notes live in the knowledge base.




Common questions
Do you offer same-day service?
We offer same-day scheduling when capacity allows, with priority for urgent refrigeration and kitchen-down situations. Walk-in cooler, walk-in freezer, and ice machine calls go to those dedicated hubs.
Do you work on all brands?
We service many commercial refrigeration and kitchen equipment brands—details vary by model and parts availability.
Is HVAC service for homes?
Our HVAC repair focus is commercial properties only. Building HVAC, rooftop units, and commercial AC each have their own service pages.
Walk-in cooler or freezer — which page?
Medium-temp walk-ins use walk-in cooler repair. Low-temp walk-ins use walk-in freezer repair — not the cooler page.
My ice machine is down. Where do I go?
Use commercial ice machine repair. Category guides are under refrigeration troubleshooting.
Not sure which equipment failed. Where do I start?
Start at commercial equipment troubleshooting, or pick a service from the service directory.
How do I schedule?
Call (425) 535-8990 or request a callback through our contact form.
Call A/C Dr. Naz
Tell us what equipment is down, what you are seeing on controls or temperatures, and how soon you need help. We will guide next steps.
Phone: (425) 535-8990
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