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.

Air Conditioner Maintenance in Gurnee, IL 60031

“Prompt timely service arrived on time as scheduled” – Lynn R.

Air Conditioner Maintenance in Lake Villa, IL 60046

“Awesome customer service! Joshua arrived exactly on time at 8 a.m. He spent an hour going over our unit and made sure everything was working properly.”

– Wayne S.

Air Conditioner Repair in Barrington, IL 60010

“Submitted my request online at 4am and heard from Paula promptly at 8am…pretty much as she started the day. Great customer service! I asked for a call when our tech was in-route and got the call about 20 minutes in advance. Cody had the repair identified and corrected quickly. Thanks!”

– Jim D.

Our Most Recent Articles...

Keep your home cool by cooking outside on this grill

Video – Energy Saving Tip 1

July 21, 2021

It is no secret that your oven will toast your house up and cooking on a cold day is nice sometimes, but on a hot day it will warm your house up in an unnecessary way. Try to utilize the opportunity you might have to cook outside.

Read More
A pair of adult male hands feeling the flow of air coming out of an air vent on a wall near a ceiling. Man with hands in front of an air vent feeling for air flow.

Why Is My Air Conditioner Blowing Hot Air?

July 9, 2021

Many reasons can cause an air conditioner to malfunction, resulting in warm or hot air blowing through your vents. Our Miller’s Area Heating & Air Conditioning professionals want to help you diagnose those problems quickly and then get them fixed, so you can cool down your family and your home.

Read More
Window view of outside where there is an American Flag hanging.

Video – Energy Saving Tip 5

June 24, 2021

Keep your windows closed day and night. This will keep your home cool and prevent your AC from using more energy.

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!