(667) 266-3678

AC Repair in Seattle

Stay Cool Tonight. We're On Our Way.

Same-day and next-day AC repair from licensed, local techs.
Straightforward pricing, no games, just fast relief.

Over 174, verified 5-star customer reviews

Utility-verified for efficiency and workmanship

Same-day and next day scheduling available

All brands serviced. Mitsubishi-level training standard.

Flexible plans, approval in minutes

Signs Your AC Needs Repair

AC Won't Turn On

No power, no response from the thermostat, nothing.

Blowing Warm Air

Running, but not actually cooling the house.

Week Airflow

Air is cool, but barely reaching the vents.

Strange Noises

Grinding, clicking, or rattling from the unit.

Water Leaking

Around the indoor or outdoor unit, leaking or pooling.

Bad Smells

Musty, burning, or chemical odor when it runs.

Short Cycling

Turns on and off constantly, never settles.

Rising Energy Bill

Same usage, but the bill keeps climbing.

Common AC Repair Fixes

Understanding what’s actually being repaired helps you make confident decisions when a technician gives you a quote. Here’s a breakdown of the most common AC fixes our team performs.

Frozen Evaporator Coil

A frozen evaporator coil is one of the most common signs something’s wrong with your AC system. Ice forms when airflow is restricted or refrigerant levels are low, and once the coil freezes, cooling drops off fast or stops altogether. We identify what’s causing the freeze, whether it’s a dirty filter, blocked vents, or a refrigerant issue, and fix the root cause so the problem doesn’t keep coming back.

Refrigerant Leak

Low refrigerant is one of the top reasons an AC stops cooling effectively. We locate the source of the leak, seal it properly, and recharge the system to manufacturer specifications. Simply topping off refrigerant without fixing the leak is a temporary patch that will leave you calling for service again next season.

Faulty Capacitor

Capacitors are small components that give your compressor and fan motors the jolt they need to start. When a capacitor fails, your system may hum but refuse to start, or it may not turn on at all. Capacitor replacement is a relatively quick and affordable fix that restores normal operation.

Bad Contactor

The contactor is an electrical switch that controls power to the compressor and condenser fan. Worn contactors can cause the system to fail to start, run continuously, or behave erratically. Replacing a failed contactor is a straightforward repair that gets your system responding properly again.

Clogged Condensate Drain

Your AC removes humidity from the air, and that moisture drains out through a condensate line. When that line clogs with algae or debris, water backs up and can trigger a system shutoff or cause water damage. Clearing the drain line is a simple fix that protects your home and keeps your system running.

Fan Motor Issues

Both your indoor air handler and outdoor condenser unit have fan motors. When a motor fails, airflow drops and your system loses efficiency fast. A failed condenser fan motor can also cause the compressor to overheat and fail, making prompt repair important.

Thermostat or Control Issues

Sometimes the problem isn’t the AC unit at all. A faulty thermostat can misread temperatures, fail to signal the system to run, or cause short-cycling. We’ll test your thermostat and replace it if needed, including smart thermostat installation if you’re ready to upgrade.

What's Included in Our AC Repair Service

Every AC repair starts with a full diagnostic, not a guess. Here’s what happens when we show up.

01

Full system diagnostic

We check refrigerant levels, electrical components, airflow, and the thermostat to find the actual problem.

02

Clear explanation before any work

You’ll know what’s wrong and what it costs before we touch anything.

03

Repair using quality parts

We use manufacturer-approved parts, not the cheapest option available.

04

System test before we leave

We confirm the fix worked and your AC is cooling properly.

05

Cleanup

We leave your space the way we found it.

Repair or Replace? How To Know

Most AC problems are fixable. Here’s how we (and you) can tell when repair still makes sense, and when replacement saves you more in the long run.

REPAIR USUALLY MAKES SENSE IF:

  1. Your system is under 10 years old
  2. This is the first major repair
  3. The repair cost is reasonably lower than replacement
  4. The rest of the system is in good working condition

REPLACEMENT IS WORTH CONSIDERING IF:

  1. Your system is 12-15+ years old
  2. You’ve had multiple repairs in the last few years
  3. Repair costs are more than 50% of replacement cost
  4. Your energy bills have been steadily climbing

We’ll always give you a straight answer, even if that means a repair instead of a sale. If replacement really is the better move, we’ll walk you through what an AC replacement looks like, no pressure, just the facts.

How We Diagnose Your AC, Step by Step

DIAGNOSE

1. Thermostat and system check — Confirm the thermostat is calling for cooling correctly and settings aren’t the actual issue.

2. Power and electrical inspection — Check the disconnect, breaker, capacitor, and contactor for failures or wear.

3. Refrigerant pressure test — Connect gauges to check refrigerant charge and identify leaks or low pressure.

4. Airflow inspection — Check the air filter, blower motor, and ductwork for restrictions limiting airflow.

5. Coil inspection — Examine the evaporator and condenser coils for dirt buildup, ice, or damage.

6. Compressor evaluation — Test compressor function, since a failing compressor changes the repair-vs-replace conversation.

DECIDE

7. Root cause identified — We pinpoint the actual failure, not just the symptom, and explain it in plain language.

8.Upfront quote before any repair — You approve the cost and scope before we touch anything.

REPAIR

9. Repair performed

10. Post-repair testing — We re-check pressures, temperatures, and airflow to confirm the system is fully operational.

11. Walkthrough — We explain what was wrong, what we did, and any recommendations going forward.

What Affects the Cost of AC Repair

AC repair costs vary based on what’s actually wrong. These are the main factors that affect your price. “ac repair near me”? That’s 100% us — ready to help when you need it most.

Rooted in the Community We Serve

Cascadia Comfort isn’t just another name on a truck. We’re a PSE Trade Ally, a Kicking Gas partner helping Snohomish County families access heat pump subsidies, and a proud supporter of the local organizations that keep our community strong.

Seattle’s climate and housing stock create AC problems you won’t see everywhere. Here’s what we watch for.

  • Older homes, tighter spaces — Many Seattle-area homes weren’t built with central air in mind, so mini-splits and compact systems are common, and access can be tricky.
  • Short but intense cooling season — Systems sit unused most of the year, then get pushed hard during summer heat waves, which is when hidden issues show up.
  • Marine air and moisture — Coastal humidity accelerates corrosion on outdoor units and electrical components.
  • Mixed system types — From older central AC in Eastside homes to newer ductless mini-splits in Seattle and Mill Creek, we service a wide range of setups.
  • Local permitting knowledge — We know what’s required for repairs and replacements across Snohomish and King County jurisdictions.

PSE Trade Ally: Utility-verified contractor for Puget Sound Energy customers

Kicking Gas Partner: Helping Snohomish County homeowners access electrification subsidies

Free AC Repair support for local nonprofits, including:

  • Think Twice
  • Adopt A Stream
  • Habitat for Humanity
  • Kiwanis
  • The Arc of Snohomish County

Why Homeowners Trust Cascadia Comfort for AC Repair

Mitsubishi-approved for cooling systems

We’re an approved Mitsubishi Electric installer for cooling equipment, a standard not every HVAC company qualifies for. If you have a Mitsubishi system (or want one), you’re working with a vendor Mitsubishi itself has vetted.

Trained across every type of cooling system

Heat pump, heat pump paired with an existing furnace for cool air, single-zone mini-splits, multi-zone mini-splits, we work on all of it. Whatever’s cooling your home, we’ve likely diagnosed and repaired one just like it.

We diagnose before we sell

Every repair starts with a full system diagnostic, not a guess. You’ll know exactly what’s wrong and what it costs before we touch anything.

We test the way the manufacturer intends

Accurate AC diagnostics require outdoor temps of at least 55°F. If it’s colder, certain tests won’t give a reliable read, so we factor that in rather than force a number that isn’t real. It’s a small detail, but it’s the difference between an honest diagnosis and a guess.

Seattle-born, and we've watched this shift happen

Our founders grew up here. They’ve watched Seattle go from a city that barely needed AC to one where it’s now expected, and they understand how older Seattle homes hold onto heat and cold differently than newer construction. That local insight shapes how we diagnose and repair every system we touch.

What Seattle Homeowners Are Saying

Related Services

AC REPLACEMENT

Ready for a new system instead of a repair? We’ll help you choose the right fit.

AC MAINTENANCE

Catch small issues before they become expensive repairs.

MINI-SPLIT REPAIR

Ductless systems for additions, older homes, and room-by-room control.

HEAT PUMP SERVICES

Heating and cooling in one system, built for Pacific Northwest winters and summers.

FURNACE REPAIR

Keep your furnace paired system running through all seasons.

INDOOR AIR QUALITY

Filtration and air quality solutions that work alongside your cooling system.

Frequently Asked AC Repair Questions

How do I know if my AC needs repair or replacement?

Most AC problems are fixable, especially in systems under 10 years old with no major repair history. Replacement usually makes more sense if your system is 12-15+ years old, has needed multiple repairs recently, or the repair cost is creeping close to the cost of a new system. Our techs will always give you a straight answer, even if that means recommending a repair instead of a replacement.

Cost depends on what’s actually wrong, the part involved, the severity of the issue, and how accessible your unit is. Every repair starts with a diagnostic fee that identifies the exact problem and is credited toward your repair if you move forward. We’ll always give you a clear price before any work begins.

It depends on the age and condition of the system, not just the age alone. If your unit is under 10 years old and this is a first-time issue, repair is usually the smarter move. If it’s 12-15+ years old or you’ve had recurring problems, we’ll walk you through whether repair still makes sense or if replacement will save you more long-term.

We offer same-day and next-day AC repair across the greater Seattle area. When your AC goes out, you shouldn’t have to wait a week to get it fixed.

We repair all major AC brands and system types, not just Mitsubishi. We are an approved Mitsubishi Electric installer, which means we’ve met their standards for training and quality, but that’s in addition to our broader HVAC work, not a limitation on it.

Yes. We back our repair work with a 1-year parts and labor warranty.

Accurate AC diagnostics require outdoor temperatures of at least 55°F to get a reliable read on the system. If it’s colder than that, certain tests won’t give an honest result, so we’ll factor that into your visit rather than force a number that isn’t real. We’ll always explain what that means for your specific situation before we arrive.

We repair all major AC brands and system types, not just Mitsubishi. We are an approved Mitsubishi Electric installer, which means we’ve met their standards for training and quality, but that’s in addition to our broader HVAC work, not a limitation on it.

Ready to Stay Cool?

Same-day and next-day AC repair from licensed, local techs. Get a straight answer and a fast fix.