En Español Contact Us Careers FAQs Search Login
Nicor Gas Residential Customers Nicor Gas Commercial Customers My Account Investor News & Media Nicor Inc.
Natural Gas Equipment

HVAC Replacement / Preventive Maintenance

Motorized equipment, such as your heating and air conditioning systems, requires preventive maintenance to assure proper operation.


Heating Systems

Heating system preventive maintenance can include:

  • Checking the furnace or boiler for the presence of carbon monoxide.
  • Inspecting the condition of the combustion chamber/heat exchanger.
  • Cleaning the burner and verifying proper burner flame characteristics (including gas and air adjustment).
  • Cleaning the pilot and checking the pilot/igniter operation.
  • Replacing belts and inspecting the motors and oil as needed (oil pump if boiler).
  • Comparing the condition of the vent pipe to chimney and draft intensity.
  • Removing dust and scale from the burner compartment and other key parts.
  • Replacement of thermocouple and inspection of the flame sensor or pilot safety timing.
  • Inspection and cleaning of the blower wheel.
  • Identification of proper replacement size for furnace filters.

Air Conditioning Systems

Air conditioning system preventive maintenance can include:

  • Checking proper refrigerant levels
  • Checking all electrical components and controls
  • Checking the condenser and filters
  • Cleaning the evaporator and condenser coils
  • Oiling the motors
  • Calibrating the thermostat.

Return to Using Energy Effectively

   
Careers | Contact Us | FAQs | Site Map | Search | En Español
Nicor Inc. Home