Drawing from over twenty years of commercial HVAC experience in McHenry County & Chicagoland, Combined Services provides the quality products and skilled services to improve the comfort, efficiency, health, and productivity of your facility.  Our team of highly trained and regularly updated technicians are well-versed in new construction installation, equipment updates, seasonal maintenance, and repair.  We target your specific requirements, and ensure the most cost-effective and reliable solutions for long-term operation.

Carrier Commercial HVAC systems carry a demanding workload and greatly impact your bottom line.  These systems are large, complex, and require specialized expertise to custom design and install the right equipment to effectively handle your needs.  Offering a wide selection of configurations, in single and multiple zones, Combined Services protects the value and return of your investment.  By recommending only proven options, and remaining current in leading-edge innovations, we trim running costs, ensure dependability, and offer precision control over your indoor environment.  Our extensive experience with commercial project management is the key to organized, timely, and on budget completion of all projects.

Trust a professional with all your commercial heating & A/C repairs, service & installations!

To further protect your interests, Combined Services offers proactive HVAC maintenance programs. Lengthened service life, lower running costs, fewer repairs, restored energy efficiency, enhanced air quality, superior comfort and safe operation are just a few of the many rewards. When you leave the upkeep of your commercial system in our capable hands, Combined Services simplifies the day-to-day requirements of your facility.  If you should experience any problems with any make or model of commercial HVAC system, count on Combined Services for prompt, professional repairs that hold up over time and use.  Combined Services is always on-call in times of crisis, 24 hours a day, 365 days a year, providing expert service across McHenry County & Chicagoland.