Nicor Gas - Commercial Energy Efficiency Rebates

August 03, 2023


Nicor Gas offers a variety of rebates to commercial customers for the purchase and installation of energy efficient products. Rebates are available on water heaters, furnaces, boilers, boiler controls and maintenance, steam trap repairs and replacements, and more.

Incentives are also available for custom natural gas-saving projects and are based on annual therms saved. The Custom Incentive Program is for projects not covered by the other Nicor Gas business program. Projects related to burner replacements, controls, process heat recovery technologies, air-side measures and more will be considered for a custom incentive up to $350,000.

More information is available at the website above. 


Program Overview

Implementing Sector: Utility
Category: Financial Incentive
State: Illinois
Incentive Type: Rebate Program
Web Site:
Start Date:
Eligible Renewable/Other Technologies:
  • Clothes Washers
  • Water Heaters
  • Furnaces
  • Boilers
  • Heat recovery
  • Steam-system upgrades
  • Programmable Thermostats
  • Energy Mgmt. Systems/Building Controls
  • Processing and Manufacturing Equipment
  • Custom/Others pending approval
  • Other EE
  • Insulation
  • Food Service Equipment
Incentive Amount: Space and Water Heating
Condensing Boilers: $500 - $4,500
Non-Condensing Steam Boilers: $400 - $2,500
Boiler Radiator Replacement: $60
Boiler Descaling: $0.50/MBTUH, up to $1,500 per boiler
Boiler reset controls: $1.25/MBTUH
Furnaces: $300 - $400
Infrared Heaters: $700
Condensing Unit Heaters: $325
Direct-Fired Space Heaters: $250 - $750
Storage Water Heaters: $50-$100
Central domestic hot water controls: $660 per control
Programmable Thermostat: $25

Steam Traps
Commercial Steam Traps <15 psig: $50 per trap
Dry Cleaner Steam Traps >15 psig: $200 per trap
Industrial/Process Steam Trap >15 psig: $300 per trap

Efficiency Improvements
Compressed Air Heat Recovery: $50/HP
Pipe Insulation: Up to $2 - $4/ln. ft.
Pool/Spa Covers: $0.75 - $1.25/sq. ft.
Ozone Laundry: $10/pound of capacity
Clothes Dryer Modulation Controls: $100
Demand-Controlled Ventilation: $20
Kitchen Demand-Controlled Ventilation: $500/HP
Overhead Garage Door Spring Loaded Hinge: $50/door

Boiler Tune-Ups
Space Heating Boilers: $0.50/MBTUH, up to $1,500
Process Heating Boilers: $0.50/MBTUH, up to $1,500

Commercial Food Service Equipment
Varies widely by equipment, see website for details.

Agriculture Equipment
Varies widely by equipment, see website for details.

Custom Incentive: $0.60 - $0.80/therm saved; varies by building type and savings
Maximum Incentive: Custom Incentive: $350,000/year
Equipment Requirements: View program web site
Installation Requirements: Must be a current Nicor Gas business customer. All rate classes are eligible. Public entities (taxpayer-funded facilities) and self-directed customers are not eligible for the Nicor Gas Energy Efficiency Program.


Name: Customer Service
Organization: Nicor Gas
Phone: (877) 886-4239

This information is sourced from DSIRE; the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University.