Our Services

Comprehensive Mechanical Solutions for Every Need

For over 40 years, Demco, Inc. has been a trusted partner for businesses and property owners, delivering expert installation, service, and preventative maintenance for a wide range of equipment and systems. From HVAC design-build projects to specialized trash management and custom storage solutions, our team combines innovation, precision, and reliability to meet the unique needs of every client. Explore our services to discover how we can enhance performance, comfort, and efficiency in your space.

Commercial HVAC Services

Demco, Inc. provides expert commercial HVAC installations, repairs, and custom solutions to businesses in Chicago and surrounding suburbs, ensuring top-quality service with a wide range of heating, cooling, ventilation, and air quality products.

fire damper inspection services

Certified fire and smoke damper inspections are essential for maintaining safety and meeting Illinois code requirements in commercial buildings. Demco’s expert team ensures each damper is inspected, tested, and documented, helping you stay compliant and protect your building and its occupants.

HVAC Design-Build Services

Tailored HVAC design-build solutions, combining innovative design, precision fabrication, and seamless collaboration to create energy-efficient systems that enhance performance, comfort, and reliability. We deliver cost-effective results that meet your unique needs from concept to completion.

Maintenance Services

An HVAC maintenance and service contract helps commercial facilities reduce downtime, avoid surprise repair costs, and keep systems running efficiently year-round. With routine inspections, priority emergency support, and expert care, it’s a proactive solution for protecting operations, budgets, and indoor air quality.

Specialties

Demco, Inc. offers a wide range of specialty products, including tenant storage lockers, wire mesh partitions, steel lockers, bicycle racks, mailboxes, and folding gates. These solutions are all crafted to the highest standards for durability and performance. Our solutions are tailored to enhance functionality, security, and organization in residential, commercial, and industrial spaces.

Trash Compactors

At Demco, Inc., we offer reliable, high-quality trash compactors and customized waste management solutions to help reduce hauling costs. Our expert installation, maintenance, and tailored designs ensure your system meets your property’s unique needs.

Trash & Linen Chutes

Specializing in top-quality trash and linen chute systems, Demco, Inc. offers installation, repairs, and maintenance services that meet NFPA 82 standards for safety and efficiency. Our expert team ensures reliable performance, compliance, and longevity for both new and existing chute systems.
workers in safety gear on job site

Get Started Today

Ready to elevate your space?

Partner with Demco, Inc. for expert solutions tailored to your unique needs. Whether it’s optimizing your HVAC system, streamlining waste management, or enhancing functionality with custom specialty products, our team is here to deliver exceptional results.