For more information about the Nicor Gas Energy Efficiency Program, please feel free to contact us at the appropriate telephone number below.
Please note: If you have a gas emergency or would like to speak to someone about your Nicor Gas Account or billing information, please click here to contact Nicor Gas directly.
| Program | Phone Number |
|---|---|
| General Nicor Gas Energy Efficiency Program Inquiries | 877.886.4239 |
| Home Energy Efficiency Rebate Program | 877.886.4239 |
| Home Energy Savings Program | 877.821.9988 |
| Multi-Family Home Energy Savings Program | 877.735.6687 |
| Residential New Construction | 888.240.4123 |
| Business Energy Efficiency Rebate Program | 877.886.4239 |
| Business Custom Incentive Program | 877.886.4239 |
| Small Business Energy Savings Program | 888.806.2273 |
| Retro-Commissioning Program | 855.380.9510 |
| Business New Construction | 877.807.8606 |
| Economic Redevelopment Program | 773.328.7040 |
| Building Performance with ENERGY STAR® | 877.886.4239 |
| Elementary Energy Education | 855.949.2944 |
