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AC units after being repaired by a local pro

5 Best AC Repair Services in Bellingham, WA

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Written By Max Peterson|Last Updated: May 18, 2024

Technical issues can be inconvenient for homeowners who need an air conditioner (AC) repair in Bellingham, especially in the summertime when comfort is essential. These top-rated Bellingham contractors can help you with AC repair or replacement, keeping the job simple, quick, and economical.

Top AC Repair Companies in Bellingham, WA

CM Heating Logo

CM Heating

Based on 1,224 customer reviews.

Services Offered

FiltrationEmergency ServicesDuct CleaningDuctlessInspectionIndoor Air QualityAc InstallationAc RepairMaintenanceFurnace Installation


  • Clear pricing policy
  • Free quote
  • Informative resources
2021 E College Way # 200, Mount Vernon, WA 360-535-7277 cmheating.com
CPI Plumbing & Heating Logo

CPI Plumbing & Heating

Based on 2,466 customer reviews.

Services Offered

Boiler InstallationMaintenanceEmergency ServicesInspectionIndoor Air QualityFurnace InstallationFurnace RepairAc InstallationAc RepairDuctlessFiltration


  • Reliable customer support
  • Clear pricing policy
  • Informative resources
1900 Railroad Ave, Mount Vernon, WA 360-447-6675 cpiplumbing.com
Island Heating & Air Conditioning Logo

Island Heating & Air Conditioning

Based on 312 customer reviews.

Services Offered

Indoor Air QualityAc RepairFurnace InstallationDuctlessMaintenanceAc Installation


  • Clear pricing policy
  • Free quote
  • Informative resources
630 Industrial Ave, Oak Harbor, WA 360-679-1900 islandheatingac.com
Cool Heat 365 Logo

Cool Heat 365

Based on 206 customer reviews.

Services Offered

Ac InstallationFurnace RepairFurnace InstallationDuctlessFiltrationEmergency ServicesInspectionVentilationMaintenanceAc RepairIndoor Air Quality


  • Free quote
  • Clear pricing policy
  • Prompt service delivery
26915 98th Dr Nw, Stanwood, WA 425-740-4212 coolheat365.com

More Local Hvac Companies


User Reviews: 4.3/5 

3731 257th St NE
Arlington, WA 98223

Cozy Heating Inc.

User Reviews: 4.6/5 

20221 67th Ave NE
Arlington, WA 98223

Product Air Heating & Cooling LLC

User Reviews: 4.6/5 

1320 146th Pl NW
Marysville, WA 98271

Arctic Heat LLC

User Reviews: 4.7/5 

10508 95th St NE
Lake Stevens, WA 98258

Nordstrom Heating & Air, Inc

User Reviews: 4.6/5 

1059 State Ave UNIT G
Marysville, WA 98270

All Heating

User Reviews: 5/5 

8425 Fobes Rd
Snohomish, WA 98290

Snohomish Furnace & Air

User Reviews: 4.5/5 

9804 Chapel Hill Rd
Lake Stevens, WA 98258

1st Response HVAC & Electric Solutions

User Reviews: 4.5/5 

1731 113th Dr SE
Lake Stevens, WA 98258

Climate Pro LLC

User Reviews: 4.6/5 

11630 Airport Rd b400
Everett, WA 98204

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

AC units after being repaired by a local pro

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Facts about Bellingham
Average Max Temp Percentile:2.9%
August Average Max Temp:65.6°F
Climate Zone:Marine
Average Energy Cost:$0.11/kWh
Median Year Houses Built:1983
Average Heat Waves per Year:0.0

Expert Tips By

This Old House empowers homeowners with the knowledge and tools they need to tackle various projects and navigate the complexities of homeownership.

Common Types of Air Conditioners

By understanding which type of air conditionersystem you have, you'll feel more confident in your company search. Bellingham HVAC technicians have experience with different AC makes and models, and they can customize their skills to your needs.

  • Portable air conditioners: As the name suggests, portable air conditioners don't require permanent installation or ductwork. Instead, they remove hot air through an exhaust hose connected to a window or nearby vent. They're popular for apartments, condos, or individual rooms.
  • Ductless mini-split: Ductless mini-split AC units have an outdoor unit and one or more indoor units, with no ductwork required. They offer flexible installation options, higher energy efficiency, and individual room temperature control.
  • Split ACs: Split air conditioners have two main elements: one inside and one outside. They provide silent operation, enhanced efficiency, ductwork options, and more cooling capability versus mini-splits.
  • Window-mounted ACs: Window air conditioners are a popular choice for Bellingham townhomes, apartments, and condos. These compact, affordable units are designed for cooling single rooms and small spaces, and they fit snugly in a window frame or dedicated wall slot. Many window air conditioner users install their units without professional assistance, though technicians can still help with maintenance and repairs.
  • Central AC: These are the most common home air conditioners, offering precise, consistent temperature control. They feature a central unit that cools and purifies outside air and sends it through ducts to various rooms in your home.

How to Choose Your Bellingham AC Repair Service

While you might want to resolve your AC issue quickly, you should do some essential research before committing to a repair service. Take the following steps to ensure you find the top-rated company for your home.

Confirm the Company Is Properly Licensed and Insured

The Washington State Department of Labor and Industries requires all HVAC company owners to hold a Construction Contractor license. To stay in good standing, they must have a tax ID number, hold a surety bond, and carry at least $250,000 in total liability coverage.

You should also verify a company has sufficient liability insurance coverage, even if your state doesn't require it. Choosing an insured company will protect you if accidents happen during work.

Read Customer Reviews

Find customer reviews on the Better Business Bureau (BBB) website for each company you're interested in. The BBB recognizes contractors that respond to complaints effectively and honor their warranties.

It's common for even the best AC repair companies to have both positive and negative reviews. Read each one carefully, and avoid a company if most reviewers had subpar experiences.

Compare Estimates

Obtain at least three detailed, written estimates from different companies for the best deal. A good estimate should factor in additional fees such as permitting costs. You should also ask about installer guarantees, the emergency repair process, and manufacturer warranties.

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Frequently Asked Questions About AC Repair in Bellingham

How much can I expect to pay for AC repair in Bellingham?

Your AC unit repair costs will hinge on your system's make and model and the malfunctioning part. A basic repair job like sorting out a thermostat might cost $150–$250, whereas a more intricate fix like switching out the compressor will be more expensive.

See the average costs for common AC repairs below.

Common RepairAverage Cost
Clogged air filter$64–$172
Electrical circuits$200–$250
Drainage problems$100–$150
Refrigerant leak$400–$1500
Frozen condenser coils$1,289–$3,866
Fan or air blower issues$150–$200
Compressor replacement$600–$1,632

What are some signs that I should call an HVAC repair company?

Here are several frequent AC issues you might face: It's best to contact a professional HVAC technician if you encounter any of these problems.

What month is best for getting an air conditioner replaced?

The best time to replace HVAC systems is during the off-season, when there's less demand for HVAC technicians and costs are cheaper. Bellingham's moderate highs of 49°F give you a larger window of opportunity, which could be from early September to early June.

Why is my AC running but not cooling?

If your AC is running but not cooling, a blocked condenser coil could be the culprit. Normally, the AC’s condenser fan pulls air into the outdoor unit through the condenser coil to remove heat energy from your home. A technician can help by clearing the clog or replacing a defective coil.

How quickly can an HVAC company in Bellingham respond to emergency repair requests?

Some repair companies offer same-day or next-day service for emergency air conditioner breakdowns. However, the specific timeframe will vary depending on the team's schedule, the terms in your contract, and the severity of the issue. For the most accurate info, we recommend contacting the company directly and explaining the situation.

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.