Pustai Heating & Cooling - logo

219-924-5112 (Indiana)

773-374-5510 (Illinois)

Serving Lake County

and the Surrounding Communities

Air conditioning cooling equipment Top-quality AC sales

Top-quality AC sales and services

Keep yourself cool during the summer by installing a high-quality AC on your property. Turn to the EPA-certified technicians of Pustai Heating & Cooling to professionally handle the installation process. If you want to repair or service an existing AC of any brand, we will do that at an affordable price.


Call us today for exceptional AC services and repairs or visit our store to buy a new air conditioner. We have been a family owned and operated business for over 46 years. 24/7 emergency services available!

• Air conditioning

• Customized duct work

• Zoning for multiple thermostat control


When you choose us, don't forget to mention our website. If you're a senior citizen, you'll get $5 OFF. We are available for emergency services too.

Professional cooling services

Want to save more on your AC bills? We install and recommend only high-efficiency cooling equipment to meet the government tax incentives.


If you have any old cooling system that needs to be disposed, we can do it. Call for more details.

High-efficiency cooling equipment

Call us for FREE zoning applications!


Get $25 OFF your first service and installation!

(1 coupon per customer)