Proactive care for Your HVAC System

Maximize Efficiency and Minimize Costs with GHC’s Preventative Maintenance

Ensure Optimal Performance – and Prevent Problems Before They Occur

Preventative maintenance is the key to keeping your HVAC system running smoothly, efficiently, and cost-effectively. Subpar maintenance can accelerate the aging of your equipment, leading to frequent breakdowns and energy-wasting conditions.

With GHC’s preventive maintenance, you can lower the total cost of your heating, cooling and ventilation operations by maximizing your building’s energy efficiency and extending the equipment’s life cycle.

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Frequently Asked Questions

Preventative maintenance involves regular inspections, cleaning, and testing of your HVAC and plumbing systems to prevent costly breakdowns and keep your equipment operating efficiently year-round.

Reactive Maintenance is crisis based and allows equipment to run to failure. This method is initially cost-effective but the most expensive type of maintenance in the long-term due to high repair costs.

Regular maintenance helps extend equipment life, reduce energy costs, improve reliability, and minimize unplanned downtime — all critical for keeping tenants and operations comfortable and safe.

Most commercial system manufacturers recommend preventative maintenance be performed at least every 3 months, depending on the equipment manufacturer recommendation, usage, and the environmental conditions. A critical environment may require more frequent visits.

All of our programs are customized to meet the customer’s unique needs. Our programs include maintenance such as: system inspections, component cleaning, troubleshooting, on-time filter changes, coil cleaning, lubrication, greasing, checking refrigerant levels, electrical testing, routine system inspection, sensor checks and troubleshooting, and follow-up performance reporting customized for you.

Yes. We tailor each plan to your building’s equipment, usage, and operational requirements, from office buildings and schools to industrial plants and medical facilities.

Yes. The purpose of preventative and routine maintenance is to identify small issues before they turn into emergencies, saving you time, stress, and unexpected expenses.

Yes. We provide detailed reports summarizing the services performed, findings, and any recommended repairs or upgrades to keep your systems in peak condition. This document is shared in a URL link and PDF format to download.

Signs include uneven temperatures, rising utility costs, water leaks, reduced air quality, unusual noises, or increased service calls — all indicators that it’s time for an inspection.

Yes. Our technicians are trained to install, maintain, and repair all HVAC manufacturers, regardless of who installed them.

You can contact us online or call our service team directly 24/7 to schedule a visit or request a quote for a customized maintenance program.

Benefits of Preventative Maintenance from GHC

GHC provides regular inspections and maintenance to Chicagoland commercial and industrial facility and property managers of buildings at least 10k square feet.

  • Lower operating costs by up to 30%

  • Full-coverage & customized maintenance plans available–with parts & labor included

  • Includes a digital maintenance record recap of every service visit

  • Includes a digital maintenance record recap of every service visit

Why GHC

Join the thousands of satisfied customers who trust GHC’s for reliable service.

Deep Service Expertise

  • All of our union-trained technicians undergo continuous education, staying up-to-date on advanced systems like chillers, hydronics, and VRF technology.
    • Every technician follows a thorough 10-point process and uses the latest digital diagnostic tools, allowing us to quickly collect data and solve issues faster.
  • We successfully completed over 10,000 service calls last year.
  • Our core team of union-trained journeymen and service techs has an average tenure of 7.1 years with us.
GHC Technicians Working on Outside HVAC Unit

GHC is a top flight industrial HVAC company. I have been using them for years for all my multiple buildings and multi-family commercial projects.

Joe E.


7 years

All journeymen have at least 7 years of experience


10,000 service calls

More than 10k successful service calls in 2023


14-point process

Every tech follows our 14- point process

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