Edmonds, WA | Commercial HVAC Repair

Commercial HVAC repair in Edmonds, start to finish

The visit starts with measurements taken against the unit’s sequence of operation, not with swapping parts. It ends the same way, with readings, so you can see that the fix held.

Before the tech leaves

  • The unit runs until the compressor shuts off on its own
  • Final pressures and running amps are written down
  • You get a written summary of what was found and fixed
  • Anything still on order is listed with price and expected date
  • Work outside our scope is named so you know who to call

Why the closing readings matter

A repair that looks fine for ten minutes can still fail by evening. Watching a full cycle, then comparing amps against the nameplate and pressures on digital manifold gauges, catches a repair that isn’t holding before the tech drives away.

Economizer & sensor diagnostics (FAQ)

Compressor electrical forensics for commercial splits

Heat pump reversing-valve checks we document

Make-up air blower imbalance markers

Total external static pressure capture

Commercial rooftop unit (RTU) repair

Open the full technical FAQ index

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Lekha 2
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NAZ and his company has been saviour for our business so many times.. amazing service and amazing kindness.
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Rob K
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He was very knowledgeable and explained simply the issue with my wine cooler. For any other issues I might encounter with my appliances, I would call Dr Naz
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Purita J
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Great company and great owner! The owner of this business responded to our request very fast at night time when our commercial walk-in refrigerator broke down. He and his team helped fix our walk-in refrigerator the next day. Now it has been many months since we got the walk-in refrigerator fixed by this company, the refrigerator still works great!
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Mack G
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Great to work with, quick and responsive. Highly recommend.
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Judy H
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Very responsive and knowledgeable. Resolved both my cooler and keg cooler issues in a timely manner. I will use him everytime I have an issue
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The A
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My walk-in cooler broke down on us Friday night. I called Dr. Naz, and he showed up a couple of hours later and figured out the problem. He said he'd contact me with estimate first thing in the morning on Monday, and he actually did. He offered to replace our evaporator by Wednesday, and yep, he did it. He really knows his stuff and keeps his word. You can totally rely on him for your service needs. His price was fair, no hidden fees, and it even came with his own 1-year warranty. Highly recommend him; he's my go-to cooler guy now.
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Inu Y
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Very dependable and timely service
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Ivan I profile picture
Ivan I
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Nazar did an excellent job repairing the refrigerator at my restaurant in Seattle. He was very responsive and was able to schedule a same-day diagnostic, which was a huge help. The repair was handled quickly and professionally. I highly recommend A/C Dr. Naz to anyone who needs reliable commercial appliance repair.
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Service area

Edmonds sits on Puget Sound between Shoreline and Mukilteo, from the ferry terminal and downtown bowl up to Highway 99. We reach it on our north-end routes, and arrival windows are confirmed on the call.

Downtown, Five Corners or Highway 99? Phone us, say where the unit is (roof or mechanical room) and the nearest cross street, and you’ll get a realistic window.

Other cities we serve for HVAC:

Equipment we leave notes on

Typical jobs: rooftop packages, ducted splits and tenant mechanical rooms serving shops, offices and clinics. Each unit touched gets its own line in the summary.

Units

  • Packaged gas/electric and heat pump rooftop units
  • Split systems with an air handler and a roof or pad condenser
  • Grime and leaves packed into condenser fins
  • Belts, pulleys and blower motors worn by long run hours

What usually shows up in the summary

  • Contactor, capacitor or relay replaced, with before and after amps
  • Sensor recalibrated or replaced, and setpoints read back
  • Economizer damper checked through its range
  • Filter and static pressure readings, with any duct concern noted

Rules we work by

Opening a sealed circuit means recovering its refrigerant first, as EPA Section 608 requires; this certification note gives the detail.

Our wording on same-day carries a condition, because a full schedule can rule it out: capacity allows it or it waits for the next open slot. We don’t advertise round-the-clock trucks.

Each repair is judged against the unit’s HVAC/R sequence of operation, so the summary records measurements rather than impressions.

Background reading

If a line in your summary is unfamiliar, these notes explain the checks behind it.

RTU economizer logic deep dive · Compressor electrical isolation order · Heat pump reversing-valve checklist

MUA blower field markers · External static capture methodology · Published field-note index

If the concern is air quality rather than temperature, guidance from the EPA on indoor air and OSHA on indoor environments is a sensible starting point.

Refrigeration is separate

Cold-side equipment has a separate home on our commercial refrigeration repair page, so this one stays on building comfort.

Questions about visits in Edmonds

Can a tech come today?

Possibly. A visit today needs the schedule to have room; if it doesn’t, the first call names the day. Buildings without cooling or ventilation are put first, and it’s always when capacity allows.

What do I get when the visit is over?

A written summary: the readings at the end, the repair made, and anything on order with its price and expected date. Residential systems are outside our work.

Which brands do you service?

Nearly every commercial brand. Some older control boards are slow to source, and when that happens you hear the price and timing before the tech leaves.

How do I set up a visit?

Phone (425) 535-8990, or fill in the contact form with the address and a line on what the unit is doing.

Is there a general FAQ?

Yes, our FAQ page covers scheduling and the services we offer.

No heat, no cooling or no fresh air at your Edmonds building?

Ferry-hour traffic, the queue and parts stock all affect arrival, which is why dispatch confirms the time with you.