Service and Maintenance

An industry leader since 1966, HMC’s business has been built upon a solid foundation of satisfied customers and dedicated employees. Specializing in commercial applications and industrial maintenance, HMC has steadily grown in size and capabilities.

As we move forward, HMC remains committed to establishing long-term relationships with their customers by fostering a “no bad job” culture, willing to sacrifice profit for customer satisfaction.  With over 100 technicians and support staff, and locations in Louisville, Lexington, Madisonville, and Prestonsburg, we are able to provide 24/7 service for the following:

HVAC Service

With HMC’s factory trained technicians you have the most comprehensive way to handle your precision air conditioning maintenance requirements.

  • Air Balancing


  • Combustion Analysis
  • Boiler Feed Pumps – Maintenance
  • Testing/Cleaning Lo-Water Cut Offs
  • Tub Cleaning and Replacement
  • All Safety and Regulator Testing
  • Opening/Closing Boilers for Inspection-Replacing Hand-hole, Man-hole, & Door Gaskets
  • Start-up/Check-out of Boiler Operation


    • Replacement of Existing Chillers
    • Refrigerant Retrofits
    • Overhaul of Existing Chillers
    • High Efficiency Purge Retrofits
    • Purge Unit Service
    • Leak Detection Service
    • Tube Cleaning and Replacement
    • Eddy Current Testing
    • Cooling Tower Service and Replacement
    • Pump Service and Replacement
    • MRI and Process Chillers
    • Centrifugal Chillers


    • Variable Refrigerant Flow System
    • Water Source Heat Pump
    • Geothermal Systems
    • Roof Top Units
    • Split Systems
    • Energy Recovery Ventilator
    • Makeup Air Units
    • Exhaust Fans
    • Pumps

    Plumbing Service

    Business owners across the region rely on HMC for fast, reliable and competent plumbing service. Whether your business operates from one location or multiple locations across Kentucky or Indiana, we will tailor a program to meet all of your Commercial & Industrial Plumbing Services needs:

    • Plumbing Preventative Maintenance Program
    • Certified Backflow Testing/Install
    • Medical Gas Piping
    • Sewer Camera Inspections
    • High Pressure Sewer Jetting
    • Water Heaters
    • Sewer Stoppages
    • Faucet Repair/Replacement
    • Water Leaks
    • Sump/Sewage Pumps
    • Boilers
    • Piping
      • Water
      • Medical Gas
      • Sanitary
      • Stainless
      • Air
      • Chemical

    Building Automation & Temperature Control

    What began as a simple thermostat operating a rooftop unit has progressed into building automation systems that incorporate the entire facility into a managed package. The resulting energy savings, ease of maintenance, alarm processing and management reporting allow facility directors to make educated decisions regarding their building operation.

    Our Services Include:

    • Web Enabled Access
    • Energy Upgrades
    • Niagra AX Certified
    • Interface with Legacy Control Systems
    • Preventative Maintenance
    • Design/Build
      • New Construction & Renovation
    • Energy Dashboards
    • Power Monitoring
    • System Commissioning
    • On Site & Remote Alarm Notification
    • Siemens Talon Dealer
    • Trane ACS Partner

    Preventative Maintenance

    HMC offers a variety of preventive maintenance solutions to ensure the proper operation and preservation of your building investment. A preventative maintenance plan can help minimize operating costs, extend the life of equipment, minimize emergencies, and provide peace of mind:

    • Full Coverage Agreements
      • Customized PM Agreements
      • MAP (Maintenance Assist Program)
    • Enhances the building’s performance and minimizes operating costs
    • Helps save money by preventing failures during critical times
    • Keeps your system operating efficiently by making adjustments during seasonal weather changes
    • Can be customized for your facility’s operating schedule as well as equipment type
    • Assists in budget planning by identifying repairs needed and putting a repair plan in place
    • Receive a reduced labor rate
    • Receive priority scheduling
    • Assure PM services performed in a timely and regular basis with your priorities becoming ours


    We understand that Commercial and Industrial refrigeration systems are used throughout a variety of industries and with many types of perishable products. With that in mind, our goal is to respond quickly and efficiently to your refrigeration service needs to help avoid downtime and loss of product, saving you time and money.

    Our technicians are well trained to diagnose and repair any commercial or industrial refrigeration product to keep your system operating efficiently. By using the latest technology and testing equipment, our maintenance programs keep your refrigeration equipment operating at maximum efficiency.

    Our Affiliations