New and Used Equipment

ACSI has consulted and worked with hospitals, manufacturers, high rise residential, refineries, and heavy industrial industries to name a few. Regardless of industry, we know the critical nature of getting the right boiler, burner, high-temperature furnace, kiln, as well as heating and air conditioning units,  to meet your budget. Regardless of your choice to purchase new or used, you want your equipment to work like new and stay working with confidence.

Purchasing new equipment such as boilers, burners, high-temperature furnace, kilns or other heating and air conditioning units can be too great of a financial investment for an owner or manager. Who do you turn to? ACSI and their extensive inventory of used equipment and parts. Here are a few choices:

  • Boiler Feedwater System (Used 2 Months)
    • Tank 250 Gallons
    • 2 Pumps
    • Steam Sparge Line For High Pressure Or Low-Pressure Boiler Application
  • Used/reconditioned fuel burners
  • Used gas boosters

Call 773-737-9200 for pricing or to see what else is in stock!

ACSI maintains an extensive inventory of brand name equipment, including:
Air Conditioning Equipment
Circulating Pumps
Condensate & Vacuum Return Systems
Control Valves
Draft Controls
Electrodes / Ignitors
Flame Rods
Flame Safety Controls
Flame Scanners
Gas Ignition Systems
Gas Regulators
Gas Valves and Actuators
Heat Treating Equipment
High-Temperature Furnace
Linkage Swivel Joints & Rods
Motor Starters
Pressure Controls
Proportional Motors
Relief Valves
Single and Multi-loop Controllers
Safety High Limit Controls
Spark Ignition Systems / Transformers
Steam Traps
Temperature Controls
Thermocouples & RTD’s
Valves and Actuators (electronic or pneumatic)


  • ACSI Receives an Award from the Village of Mokena!

    American Combustion Service Inc. is thrilled to receive the 2019 Beautification Award from the Village of Mokena. We take pride in everything we do, we are grateful to be recognized for it!...

  • How do You Benefit by Using Our Services?

    By relying on our 24 hour team of qualified and experienced personnel, to give you help when you need it most....


    Kids are back in school, trees are starting to turn colors, and the cold weather is right around the corner. Now's the time to get your boilers/burners tuned up.  Most tune-ups save enough money to pay for themselves, if not more! ...