HVAC & Plumbing Systems Service.

Efficient and Economic Solutions for Maintaining Your HVAC and Plumbing Systems

As trusted HVAC contractors and a proven mechanical service company, we deliver responsive, cost-effective solutions that protect system performance and support a comfortable, healthy, and safe work environment.

Our union-trained HVAC service technicians and plumbing professionals perform critical service work, ensuring quality, safety, and accountability on every call, from routine maintenance to emergency response.

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The Autumn Advantage.

Clients rely on Autumn HVAC because we combine the technical depth of a large mechanical services provider with the responsiveness of a local service partner.

As a trusted mechanical HVAC company in Chicagoland, Autumn delivers comprehensive HVAC and plumbing system services, from preventive maintenance to complex repairs. Our integrated approach allows us to diagnose issues accurately, reduce repeat service calls, and extend equipment life.

Autumn provides preventative HVAC and Plumbing Systems maintenance and repair services to maintain a comfortable, healthy, and safe work environment. Our union-trained technicians troubleshoot issues and perform repairs, retrofits, and new system installations. We answer the call and provide the solution.

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Rapid Response.

Consistent Communications.

Mechanical & Plumbing Systems Expertise.

HVAC Service

Call for 24/7 Service: 833-7-AUTUMN

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Planned Maintenance

Autumn is a Lombard HVAC company serving greater Chicagoland. Our technicians provide a comprehensive assessment of your facility’s mechanical equipment and systems. During the assessment, they review the age, condition, usage, and energy efficiency of systems and equipment in order to recommend a maintenance plan that makes economic sense for both your short and long-term needs. These plans will help prevent unexpected costs and eliminate the operational impact when equipment fails unexpectedly.

Systems Analysis & Troubleshooting

When systems or equipment fail or underperform, Autumn technicians will assess the problem and provide a cost-effective solution.

HVAC Repair

Our service technicians are detail-oriented and efficient with vast experience to complete your HVAC repair on a wide range of equipment and systems. Contact our team for HVAC repairs and upgrades for heating season and cooling season.

Boiler Inspection and Service
Chiller Upgrade
Cooling Towers
Unit Heaters
Rooftop Units

Fan Coil Units
Air Handling Units
VRF Systems
Refrigeration Systems
Walk-In Coolers

Steam Systems
Exhaust Fans
& More

Plumbing Systems
Service

Call for 24/7 Service: 833-7-AUTUMN

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Autumn’s commercial plumbing contractors provide fabrication, installation, and emergency services for commercial, institutional, municipal, and industrial facilities. Our experienced plumbing professionals respond quickly, assess issues accurately, and deliver solutions efficiently with minimal disruption to building operations. Our industrial plumbing services help building owners and facility managers maintain code compliance, protect potable water systems, and avoid costly shutdowns or violations.

In addition to repair and installation, Autumn staff are trained and certified to inspect, test, and document critical plumbing equipment to ensure systems remain safe, compliant, and fully operational. We provide Illinois-compliant backflow testing and certification, including RPZ backflow preventer inspection, RPZ valve testing, and required documentation for regulatory compliance.