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Rooftop Units in Chicagoland

If you operate a business in Chicagoland, chances are your building relies on a rooftop HVAC system. These systems offer powerful heating and cooling from above—but to keep them running at peak performance, you need expert care. That’s where Althoff Industries, Inc. comes in. With over 60 years of commercial HVAC experience, we’re the trusted partner for installation, repairs, and maintenance of rooftop units throughout the region.

Why Choose Althoff Industries, Inc.?

We’re not just here to fix what’s broken—we’re here to provide long-term solutions. Our licensed, bonded, and insured technicians understand how critical these systems are to your day-to-day operations, and we bring the expertise needed to keep them operating efficiently and reliably.

Here’s what sets us apart:

  • 100% Satisfaction Guarantee
  • 24/7 live dispatching—no waiting, no voicemail
  • Clear, upfront quotes before any work begins
  • A focus on partnership, not one-time fixes

We’re known for commercial HVAC done right. That includes precision work on rooftop unit installation, and responsive service for urgent rooftop unit repairs.

Related Services You Might Also Need

Because rooftop systems are often just one part of a building’s HVAC infrastructure, we also support businesses with a wide range of related services, including:

Need electrical or plumbing support too? We’ve got you covered with commercial electrical and commercial plumbing services, all under one roof.

Schedule Rooftop HVAC Service Today

Ready to get more from your rooftop unit? Contact Althoff Industries, Inc. today to schedule expert rooftop HVAC service in the Chicagoland area. Let’s build a solution together. Challenges accepted.

Arrange for a solution today

After we get some info from you, we’ll set up a time to discuss your project in further detail. Please call for 24/7 response.

Althoff HVAC Rooftop Unit Installation

Rooftop Heating Systems & Services

Rooftop units are beneficial for businesses because they remove HVAC equipment and the noise it makes from the workspace. The location also makes it easy for our technicians to access the equipment for maintenance and repairs.

No matter if you are opening a new business and need your first installation of rooftop heating and cooling equipment, or you wish to upgrade and expand your current heating system, our technicians can take care of the job. They’ll work with you each step of the process and keep you informed, and they’ll provide upfront pricing before doing any work.

Rooftop Air Conditioning Systems & Services

As soon as you suspect problems with your rooftop air conditioning units, call us. Our live dispatching will have the best technicians on the job in no time. We also provide the routine maintenance for rooftop units that improves their capacity, expands their service lives, and reduces operating costs.

Althoff Industries, Inc. is committed to the success of our clients, and we empower all our employees with the equipment, training, and creativity to exceed expectations. Join our family of satisfied clients in the Chicagoland Area.