Palatine, IL:
Call or Text Today 847-262-3349
24 Hour Emergency Service
Libertyville, IL:
Call Today 847-367-8989
Treating Your Home As
Part of Our Family Since 1969

Welcome to Allied Air Conditioning & Heating Corporation, where tradition partners with innovation. Our 55 years of serving as your trusted Palatine heating & cooling company demonstrates our depth of experience, resourceful attitude, and commitment to providing exceptional service.

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Locally owned, family operated, and committed to customer satisfaction.
A properly serviced cooling system delivers far greater owner satisfaction.
Air Purifiers
We carry a wide-range of Carrier products to meet your air quality needs.
Ductless HVAC
As a Carrier Factory Authorized Dealer, our technicians are trained and up-to-date.

Let Us Take Care Of Your Comfort

As HVAC professionals with years of experience, we know what it takes to solve any type of home comfort challenge. While the need for frequent HVAC repairs may have once been the norm, Allied has raised the bar, meaning our customers can turn to our team for long-lasting results.

But we’re not just a heating and cooling company, we’re also experts in water heaters, air quality services, snowmelt systems, pool area dehumidifiers, new construction, and advanced home comfort products.

If you’re looking to increase the comfort of your home, Allied Air Conditioning & Heating Corp. is here to help.

Your Trusted HVAC Contractors in Mundelein, Vernon Hills, Arlington Heights, Barrington, Inverness & Hoffman Estates, IL

Here When You Need Us

We know that HVAC systems often break down at inconvenient times. That’s why Allied Air provides prompt, 24/7 emergency service to Palatine, Libertyville, and the surrounding communities. Let us take the stress out of a heating or cooling emergency.

Our team is standing by to provide you with the reliable service you need to get your day back on track. Call us at (847) 262-3349 for repair service.

Heating Repair

Allied Air Conditioning & Heating Corporation provides skilled heating repair service to home and business owners.

Heating Service

A properly serviced heating system delivers far greater owner satisfaction. Contact us today for more information.

Heating Install

We have the resources to handle any sized job and target your specific goals for cost, comfort, and quick completion.

Raising the Bar for Heating & Cooling in Palatine, IL

Ask us about the latest opportunities in temperature control and indoor air quality, including ductless units, high-velocity systems, boilers, and air purifiers. Our NATE-certified team is constantly investigating the latest industry trends to deliver an unmatched level of comfort, efficiency, and home automation.

We are an Authorized Dealer of Carrier HVAC equipment. Plus, we have been a proud recipient of the Carrier President’s Award for 16 years straight.

The Carrier President’s Award is given to a small selection of Carrier Factory-Authorized Dealers who are able to score highly on Carrier’s list of established standards. Among others, these standards measure brand recognition, industry experience, and leadership. We are the only contractor in Illinois to receive this award for 16 years running.

55 Years as the Most Trusted Palatine Heating & Air Conditioning Company

HVAC Repair & Installation Experts Palatine IL

Allied Air Conditioning & Heating Corp. has proudly served the Northwest Chicagoland area for over 55 years.

We’ve worked hard to become the most trusted name in heating and cooling services, and by showing our customers honesty and respect, we’ve been able to uphold that reputation during each and every service call. We treat our customers like family, and we care for their homes like they’re our own.

At the end of the day, we want to be a company our customers feel proud to tell their friends and neighbors about. Learn more about our commitment to exceptional, trustworthy service.

NATE Accredited Business BBB ASHRAE Angi 2024 Presidents Award Factory Authorized Dealer Carrier Carrier


Interested in a boiler for your home or commercial space? Allied Air Conditioning & Heating Corporation partners with IBC and Carrier brands to not only ensure the right fit for any demand but outstanding reliability and lasting performance.



Through our relationship with Wells Fargo Bank, N.A., participating HVAC dealers offer a variety of flexible options for financing your new HVAC product or system. That way, you can invest in your home’s comfort without breaking your monthly budget.

Heating, AC & Boiler Repair Palatine Il
Carrier President’s Award Winner For 16 Years In A Row
Allied Air Conditioning & Heating Corporation Reviews
Allied Air Conditioning & Heating Corporation Star Ratings