$59 Diagnostic Fee* (Normally $109)

*Offer valid for new customers only.


Get 0% APR Financing for 48 months on a New System**

**Call Cook's Comfort Systems for details.

Cooks Comfort Systems Team

Providing Quality Furnace Repair & HVAC Services in Oak Ridge, TN Since 1992

This fall and winter, you should be comfortable at home with timely furnace repair. You should be able to breathe easy and relax. And you shouldn’t have to pay a dime more than necessary for that privilege. That’s the mission that drives us to work hard every day at Cook’s Comfort Systems, Inc. We provide top-notch heating, heat pump, furnace repair, air conditioning repair and air quality services to families and businesses throughout our area (Oak Ridge, Knoxville, Lenoir City, Loudon, Clinton).

Schedule Maintenance Now

Your Full-Service HVAC ProfessionalsFamily-Owned and Operated

As a family-owned and operated company, we pride ourselves on our honesty, integrity and quality workmanship. We are totally committed to your comfort. We always treat our customers like the most important people in the world … because they are. We are your local furnace repair, air conditioning repair, service and installation experts. We offer a full range of HVAC systems and services in both residential and light commercial settings, including:

Packaged HVAC Units

Air Conditioners

Heat Pumps


Ductless Air Conditioners and Heat Pumps

Controls and Thermostats

Air Cleaners and Purifiers



Maintenance Plans

An Experienced HVAC Team Ready to Help

Don’t take chances with your health, your comfort or your financial future. Whether you need a new HVAC system, maintenance on your existing system or a quick repair, our team of licensed, experienced and NATE-certified service technicians at Cook’s Comfort Systems, Inc. can help. Contact us online or call to find out what we can do for you.

Contact Us

Preventive Maintenance Agreements

The way we see it, getting your HVAC systems professionally serviced isn't an expense; it's an investment in your comfort and air quality. With a service agreement, you can rest assured that our service technicians have made sure your heating and cooling systems are running at peak efficiency. Even more importantly, we'll clear up any emerging issues to prevent future repairs and extend the effective lifespan of your system, saving you hundreds or thousands of dollars down the road.

Learn More

Our Heating and Air Conditioning Services

No matter if you have a heat pump or some other type of heating unit, HVAC systems are fairly complex machines. They need an expert hand to stay in good working order. In most households, climate control is one of the top users of electricity, so making sure your systems are running at peak efficiency can have a huge impact on your budget. In addition to furnace repair, our comprehensive HVAC services include:

HVAC Installation

Whether you’re building a new home or upgrading your own system, it’s important to have your new air conditioner, heat pump or furnace professionally installed to make sure it’s running as efficiently as possible. Our installation services include a comprehensive look at your home’s heating or cooling load so that we can make sure your new system is perfectly sized for your house. Then, we’ll go to work to get your system up and running, and the manufacturer’s specifications are our minimum standards. Many of our customers have limited space to work with, so they go with a packaged HVAC system.

HVAC Repair

If your air conditioner won’t start in mid-July or your furnace is having trouble with freezing temperatures, that’s not just an inconvenience, it’s an emergency. Call us to set up a same-day, after-hours appointment. We handle both large and small repairs efficiently and effectively, and we take great pride in resolving most HVAC problems in a single visit. If the problem is serious enough to merit a replacement system, we’ll work with you to help you understand all of your options and never begin work without getting your full approval first. We specialize in working on packaged HVAC units and stand by all of our work on your heating or air conditioning repair. We are dedicated to providing 100% customer satisfaction by exceeding customers’ expectations.

Indoor Air Quality

The indoor air quality of your home is extremely important. We offer a variety of products that can help keep your indoor air quality at a high level.

Why Choose Cook's Comfort Systems, Inc.





Mitsubishi Award 2022

Awarded Tennessee's Top Mitsubishi Contractor for 2022

  • This field is for validation purposes and should be left unchanged.
John Hartman (tech) Working On Customer System

Read Our Latest Reviews

  • My technician was very professional, very thorough and got to the root of the problem quickly and had me back up and running with heat in just a few m... Read More
  • I hope that my new Trane HVAC system works as hard, and performs as efficiently, effectively and as flawlessly as the three men from Cook’s who inst... Read More
  • Eric was wonderful. Wish we could have spent the whole day with him. He possessed all of the above, and we really appreciated the kindness.
Nate Logo
Logo Bbb
Review Us Google
Logo Good Housekeeping

Emergency Services Available

Contact Us Today

Compliance Settings
Increase Font Size
Simplified Font
Underline Links
Highlight Links