The Humidity has Arrived!

Call us today if your air conditioning system needs service! We are here to help all summer long.

The Humidity has Arrived!

Call us today if your air conditioning system needs service! We are here to help all summer long.


During this very unusual time, we have put a plan to do our part to help keep our community safe. First and foremost, we are going to stay calm, patient, kind, and positive! If you would like to read more on what precautions we are taking here at Miller's Area Heating, please click here!

Miller's Area Heating

Miller’s Area Heating and Air Conditioning was founded in 1948 by the Miller brothers. We are proudly still excelling in our family-owned and operated business located in downtown Grayslake, IL. Our highly skilled HVAC technicians are NATE-certified and consistently take courses for continuing education to learn about state-of-the-art products and techniques in the heating and cooling industry which allows us to better serve our Lake County customers.

Miller's Area Heating

Dementia Awareness

Customer Testimonials

We love hearing from our customers! If you've had us work on your HVAC system we would love to hear from you too.

Gas Furnace Maintenance in Waukegan, IL 60085

“Joe did a great and thorough job servicing our furnace and A/C.” – Jay K.

Air Conditioner Maintenance in Round Lake Beach, IL 60073

“I can always count on your business to do great work. The service performed by your employee was top-notch. He was pleasant & answered my questions. I’m glad I chose Miller’s.”

– Lois T.

Air Conditioner Maintenance in Antioch, IL 60002

“This was a routine air conditioner checkup but the tech had to remove a rotting maggot-ridden mouse from inside the unit. He did so quickly and without complaint even though it was a nasty experience for him.”

– John C.

Our Most Recent Articles...

Air conditioning heat pumps on the side of a house in Grayslake, IL

Do I Need to Chemical Wash the Condenser on My Air Conditioner?

June 9, 2021

At Miller’s Area Heating & Air Conditioning, we recommend our chemical flush or wash on an annual basis. Take a minute to read a little more about the process and give one of our experienced team members a call here in Grayslake, IL, to discuss if this might be right for you and your home.

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video-why do I need to change my AC filter?

Video-Why Do I Need to Change My AC Filter?

May 18, 2021

If you are not changing the filter in your AC system like you change the oil in your car you risk overworking it and damaging it that could result in expensive repairs or even replacement! At least every three months or more frequently if you have pets or dust issues!

Read More
central air conditioner cooling a house in Grayslake, IL

How Does Your Central Air Conditioner Cool Your Home?

May 6, 2021

Air conditioners cool, dehumidify your home or business and help keep your inside air cleaner. Understanding a bit of its basic components and how they work can help you identify a problem or malfunction when it occurs.

Read More

Need HVAC Service?

Contact the experts at Miller's Area Heating.

Call us at 847-223-0211!

We Service All Brands

We service all HVAC brands.

We Service All Brands

We service all HVAC brands.

What Are You Waiting For?
Contact Miller's Area Heating Today!