Residential Services

All Service Technicians are fully licensed through the state of ILLINOIS, and receive continuous education on the most current technologies in our industry as well as NATE certification. We offer emergency service and repair available 24/7.
LM HEAT COOL SERVICE Inc. will provide preventative maintenance service two times per year. Once in the spring and once in the fall. We have the right to inspect and approve the equipment covered before accepting the service agreement. The service will be performed during normal business hours. Under this agreement, we will provide a qualified technician to inspect and service your air conditioning and heating system(s) as follows:

  • Repair of all makes and models of heat pumps, air conditioners, furnaces, boilers, and indoor air quality equipment.
  • Complete Care Program
  • Preventive Maintenance Agreements
  • Whole-house energy analysis
  • Airflow diagnostics
  • Indoor air quality
  • Humidifiers
  • De-Humidification Systems
  • Boilers
  • Geothermal Leak Check
  • Gas/LP Oil Burners Dual Fuel
  • Gas and Electric Unit Heaters
  • 100% Outside Air Systems
  • Ventilation and Exhaust Systems
  • Split Heating and Cooling Systems

Commercial Services

Lm Heat Cool Service HVAC provides Illinois businesses with full support for heating and air conditioning. We offer maintenance, diagnostics and repair of the following: All Service Technicians are fully licensed through the state of ILLINOIS, and receive continuous education on the most current technologies in our industry as well as NATE certification. We offer emergency service and repair available 24/7.

  • Maintenance contracts with seasonal HVAC system cleanings
  • High Efficiency Air Filtration options
  • Refrigerant recovery and handling
  • Air handling units Gas/electric rooftop units and split sytems
  • Electric /electric rooftop unit and split systems
  • Heat pump rooftop unit and split systems
  • Variable air volume systems (VAVs)
  • Variable flow refrigerant systems
  • Exhaust and make-up air systems
  • Dehumidification systems
  • Gas and Electric Unit Heaters
  • Building Automation Control Systems