Stay Cool this Summer!

Your #1 AC & furnace company since 1998.

We service all makes and models.

Before you buy, give us a try.


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“When I was shopping for a systems, K & J was recommended to me. I was happy with their price and work, and I have continued to have it serviced by them.”

-Happy new furnace and AC customer


Air Conditioner not working?

Call K & J for a FREE estimate on a new AC or replacement air conditioning unit today.

Request service to cool your home today. Ask us how to receive 10 % OFF Parts during your service call!


Need a new AC installed?

Enjoy a brand new energy efficient air conditioner or replacement AC today.

Call K & J for a FREE quote on new equipment. Rebates and financing options available. We also install AC and furnaces in garages!


Time to clean your AC?

Keep your HVAC system running good and avoid breakdowns.

Schedule your clean & check with K & J today. Join Club K & J to take advantage of our service program. Ask us about our Tune-Up special!


Want more clean air and comfort?

Remove airborne irritants and improve indoor comfort.

Ask K & J how whole house humidifiers, air purification and temperature zoning can keep you and your family healthy and happy all year long.


Remodeling or building new?

Looking for someone to do HVAC for your remodel or new build?

K & J’s sheet metal shop means we can create and design custom solutions for residential and commercial customers.



Duct. Duct. Ductless.

Easy to install. Flexible. Compact.

HVAC systems where you need them most.

Before you buy, give us a try.


Ductless System Solutions


Install HVAC systems where running ductwork is difficult or costly.

Ductless systems make installing HVAC easy when ductwork is less than ideal. We install ductless systems both inside the home and outside.

Call K & J to schedule an appointment with one of our trusted service professionals for all of your ductless system needs.

Learn more about ductless systems.

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Precise comfort. Precisely.

Direct warm or cool air

where you need it. Room by room.

Before you buy, give us a try.


Zoning System Solutions


Zoned systems make your home comfortable in every room and save you money.

Don’t use a level of your home often? Reduce energy bills by adjusting the temperature floor by floor and room by room.

Comfort is important. From panels to dampers to complete system kits, and applications of one zone, two zone and multiple, K & J Heating and Cooling, Inc. is your reliable zoning solution. We use top of the line manufacturers and can create a custom product solution to meet your needs.

Call K & J to schedule an appointment with one of our trusted service professionals for all of your zoning needs.

Learn more about zoning systems.

View zoning products.



Control freak.

Smart. Connected. or Traditional.

Control the temperature in your home.

Before you buy, give us a try.




We carry top of the line thermostats to make controlling the temperature in your home simple and efficient.

Like the remote, take back control of the temperature in your home. We install smart thermostats that help you control your home from anywhere. If technology is not your friend, we are happy to install a traditional thermostat for you.

Call K & J to schedule an appointment with one of our trusted service professionals for all of your temperature control needs.

Learn more about thermostats.

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Have an HVAC Issue?

You can count on K & J!

We are your trusted experts in custom HVAC solutions.

Before you buy, give us a try.


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We have over 20 years experience.

Trained Technicians. Professionally.

Our technicians have years of real world experience, in addition to the many years of training they undergo. In fact, at K & J, they continue to attend manufacturer required training. We are EPA, NATE, and OSHA Certified, as well as fully Insured, Bonded, and Licensed.

By doing so, they are able to provide you and all our other customers with the highest standards of quality and dependability. Professional.

Friendly Service. Guaranteed.

We promise you can be confident and comfortable while we work on your heating and cooling needs. K & J employees are always friendly, experienced, courteous, and drug-free.

Each member of our team undergoes an extensive background check. Reliable.

Family Owned & Operated.

We are more than a HVAC company. We are a family and your neighbors. Local.

Ready to save money?

Save money with utility and union rebates, special deals, and limited time offers. K & J makes heating and cooling easy and affordable with up-front pricing, NO hidden fees and NO price gouging!

We employ NATE Certified HVAC Technicians
K & J Heating and Cooling. Local TRANE Comfort Care Specialist.


Buying a New Home?

Feel confident in the house you choose.

We inspect HVAC systems for home buyers.

Before you buy, give us a try.


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Keep your workforce happy

Commercial HVAC services tailored

to meet your needs.

Before they stress, call the best!


Contact K & J


We provide commercial HVAC services to keep your employees and visitors comfortable in and around the Villa Park, IL area. If you have any questions about your specific service needs, we invite you to call us today at 630-834-3456.

Depend on K & J Heating and Cooling to…

  • Design and install entire HVAC systems, including custom ductwork, in new builds and remodels

  • Install new heating and cooling systems or replace furnaces and air conditioners for existing equipment

  • Provide professional repairs and maintenance on current units to improve comfort and efficiency