EPA Certified
EPA Universal Certified. This is the highest level of certification provided under the EPA’s National Recycling and Emissions Reduction Program. It authorizes A/C Dr. Naz to handle refrigerants for all types of equipment, from small residential ACs to the most complex industrial refrigeration systems.
Federally Certified HVACR 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.
Same-day Diagnostic Schedule
Expertise
Transparent Pricing
Reliable service for restaurants, cafés, supermarkets, and more
Fully licensed and experienced technician
Accurate fault diagnosis using industry-grade tools
What Dr. Naz Sees Every Day
Federally Certified HVACR Expertise
EPA Universal Certified. This is the highest level of certification provided under the EPA’s National Recycling and Emissions Reduction Program. It authorizes A/C Dr. Naz to handle refrigerants for all types of equipment, from small residential ACs to the most complex industrial refrigeration systems.
In the fast-paced world of Seattle’s food and hospitality industry, cooling equipment is the heart of the business. Dr. Naz is in the field daily, diagnosing critical failures like bad TEV, liquid slug or compressor overheat in restaurants, grocery stores, and medical facilities. By understanding the common points of failure, you can catch issues before they lead to total inventory loss.
Case Study: Why You Hire a Pro
Not all repair work is created equal — sometimes hiring a professional makes all the difference. Here’s a real-world example from a recent job that highlights why expert diagnostics matter.
On a Saturday morning in February 2026, I got a call from a restaurant in Shoreline, WA. The owner was stressed: their main walk-in cooler was warming up, and a busy weekend was fast approaching.
Since we provide same-day service, I scheduled an inspection immediately.
When I arrived, the kitchen was already bustling. A less experienced technician might have glanced at the struggling compressor and suggested a full replacement — an expensive assumption. My approach is different: I diagnose the problem first before recommending any parts.
The Technical Investigation
Our technicians are trained to find the problem root right away. We have a sequence of operation whether it’s walk-in cooler repairs, commercial fridge repairs or any refrigerator that Seattle small business can have, and it typically starts here:
- The Call for Cooling: The T-Stat (Thermostat) closes and energizes the solenoid valve.
- Pressure Build: The solenoid opens, allowing refrigerant to flow. Consequently, suction pressure rises, closing the LP (Low Pressure) Control.
- Ignition: The contactor pulls in, and the system starts.
In this recent Shoreline kitchen project, the system was trying to start but couldn’t maintain the cycle. I replaced all start components, including the contactor. And the problem was solved.
If I had just swapped the capacitor without finding the root cause (the short cycling/oil stress), that part would have blown again in a month. Instead, one of hundreds of walk-in coolers I’ve repaired was running perfectly again.
1. Critical Temperature Fluctuations Whether it’s a reach-in cooler or a large walk-in unit, maintaining a precise thermal range is non-negotiable for FDA compliance. Dr. Naz frequently identifies failing thermostats and worn door gaskets that force compressors to overwork, leading to premature burnout and rising energy bills.
2. Compressor and Motor Failures As the “heart” of your cooling system, the compressor is under constant strain. We often see units struggling due to dirty condenser coils or electrical glitches. Our team specializes in deep diagnostics to determine if a component needs a precise calibration or a full mechanical replacement.
3. Refrigerant Leaks and Evaporator Issues If you notice ice buildup on your coils or a strange oily residue near your lines, you likely have a refrigerant leak. These issues don’t just stop your fridge from cooling—they can cause permanent damage to the entire sealed system. We use industry-grade leak detection tools to find the source and restore your system’s pressure to factory specs.
4. Emergency Walk-In Failures A walk-in freezer failure at midnight is a crisis. Dr. Naz sees the impact of drainage clogs and evaporator fan malfunctions firsthand. We prioritize these high-stakes repairs to ensure your bulk inventory remains frozen and your operations stay uninterrupted.
5. Professional Maintenance for Long-Term Reliability Many of the emergency calls Dr. Naz receives could have been prevented with routine service. Beyond just fixing what’s broken, we focus on optimizing your equipment’s efficiency. From cleaning the vital components to checking the integrity of the coolant lines, our goal is to extend the lifespan of your investment.
Our service area includes Seattle and surrounding cities:
Bellevue, Everett, Bothell, Woodinville, Marysville, Kirkland, Redmond, Mercer Island, Sammamish, Issaquah