Furnace Doctors

Licensed Air Conditioning Repair Services in Mercer Island, Washington

When your heating or cooling system stops doing its job, you need an HVAC company that knows how to solve the problem properly. Furnace Doctors brings over 45 years of industry experience to air conditioning repair services in Mercer Island, combining factory-trained technicians with generations of hands-on HVAC knowledge.

Call Today At (888) 414-4328 (HEAT)

Emergency Service Available

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About Us

Founded in 1986, Furnace Doctors is a family-owned and operated company built on an HVAC tradition that stretches back even further. The family’s industry roots began in 1953, and today the second generation leads the company while the third generation remains actively involved. Our company has completed thousands of successful installations while growing primarily through word of mouth and trusted customer relationships. We handle heating and cooling service, installation, repairs, and maintenance, making Furnace Doctors your one-stop HVAC shop. We’ve always focused on what matters most: expert service, dependable equipment, skilled workmanship, and results designed for long-term performance. Learn More

Heating Services

Cold weather puts your heating equipment to the test. We install, repair, service, and maintain heating equipment with a focus on reliable operation and quality materials. From sudden heating failures to planned equipment upgrades, our experienced technicians can assess your system and recommend a practical solution.

Air Conditioning Services

As indoor temperatures rise, our technicians can help restore the dependable cooling your property needs. We service, repair, maintain, and install air conditioning equipment for homes and businesses. Our technicians work with all makes and models, bringing extensive training and proven experience to each job so your system receives knowledgeable, professional attention.

HVAC Installation

Quality equipment matters, but proper design and skilled workmanship are equally important to a successful HVAC installation. We use quality materials and equipment backed by experience gained through thousands of successful HVAC installations. Our in-house and mobile custom sheet metal capabilities give us additional control over installation fit, workmanship, and performance.

HVAC Maintenance & Repair

A small HVAC issue can become a much larger inconvenience when it is ignored. We provide experienced repairs and ongoing maintenance to help keep HVAC equipment performing properly. HVAC trouble doesn’t always follow a convenient schedule, which is why our on-call service department provides after-hours assistance.

Why Choose Us

There’s a reason Furnace Doctors has remained busy for decades without relying on expensive television or radio advertising. Quality workmanship and customer referrals have built the reputation we have today. We don’t subcontract any phase of our work, giving us greater control over quality from beginning to end. Our extensively trained, factory-certified technicians are supported by an in-house fabrication shop, mobile sheet metal capabilities, and a licensed electrician for more demanding HVAC projects. Long-tenured employees bring decades of practical experience to our company, providing customers with the benefit of seasoned HVAC knowledge.

Furnace Doctors - servicing Mercer Island, Washington

Search No More for Air Conditioning Repair Services in Mercer Island, WA

Furnace Doctors brings the resources and experience needed to handle HVAC needs that go well beyond basic repairs. Because our technicians are factory trained and certified, our work stays in-house, and we maintain custom sheet metal and electrical capabilities, we can address the system as a whole. That matters when a project involves more than replacing one failed component.

Whether the job calls for troubleshooting, maintenance, fabrication, electrical work, equipment replacement, or a complete installation, our team brings decades of practical knowledge to the task. We focus on doing quality work with materials and equipment selected for reliable, lasting performance.

Get in Touch Today

Your HVAC system plays too important a role in everyday comfort to trust it to guesswork. With 45-plus years of industry experience, factory-trained technicians, in-house resources, after-hours assistance, and generations of family knowledge, Furnace Doctors is prepared to help.

From unexpected system failures to preventive maintenance and planned replacements, our experienced team is ready to help. Call Furnace Doctors today to put generations of HVAC knowledge and decades of hands-on experience behind your heating and cooling system.

    
 
 
       Posted on Google  
   
   EK - Mad Kandi 
 July 8, 2026
 
 
  JJ and the team saved us!

Our unit completely stopped working on one of the hottest days and thankfully we were able to get these guys out same day, while other places told us next day.

Thank you!
  
 
      Posted on Google  
   
   SAMARTH SHETTY 
 June 17, 2026
 
 
  I had a great experience with Furnace Doctor.
Rhett arrived on time, quickly diagnosed the issue, added refrigerant, and had my AC running properly again in no time. He was professional, efficient, and explained what he was doing without trying to upsell unnecessary work. The whole process was smooth and stress-free.
  
 
      Posted on Google  
   
   S T 
 June 16, 2026
 
 
  Came same day - and fixed our central air conditioning had the needed part on em which was great.
  
 
      Posted on Google  
   
   Vinay N K 
 May 13, 2026
 
 
  Had a great experience with Furnace Doctors. Technician JJ was extremely knowledgeable and took a very systematic approach to troubleshooting and diagnosing our HVAC issue. He carefully checked all components, including temperatures, capacitor functioning, and coolant levels, and thoroughly tested the system after the repair to confirm everything was working properly. JJ explained the process clearly and was professional throughout the visit. Really appreciated the attention to detail and confidence in the work performed. Highly recommend! The poor ratings online did not reflect the experience I had.

Need Professional HVAC Help?

Furnace Doctors

Proudly Serving the Greater Seattle Area!

Auburn, WA 98002

furnacedoctorsinc@aol.com
(888) 414-4328