Skip to content
CONTACT US
ABOUT US
Search
Vimeo
Ameren IL - Energy Efficiency Program Logo
  • Residential
        • Residential

        • Product Discounts and Rebates
          • Online Marketplace
          • HVAC and Water Heating Discounts
          • Heat Pumps
          • All Products
        • Energy Efficiency Home Upgrades
          • Single-Family Homeowners
          • Switch from Propane to Electric
          • Residents with Accessibility and Mobility Barriers
          • Mobile Home Residents
          • Energy Savings for Renters
        • Resource Center
          • Residential Eligibility Tool
          • Find a Program Ally Contractor
          • Energy-Savings Tips and Tools
          • Resubscribe to Energy Efficiency Emails
  • Business
        • Business

        • Business Types
          • Agriculture
          • Education
          • Healthcare
          • Hospitality
          • Industrial/Manufacturing
          • Local Government
          • Small Business
        • Business Forms Library
        • Incentives & Offerings
          • Lighting
          • Heating, Cooling & Ventilation
          • Small Business Direct Install
          • Process VFDs
          • Specialty Equipment
          • Custom Projects
          • Weatherization
          • New Construction
          • Technical Assistance & Optimization
          • Instant Incentives
          • Water-Saving Devices
        • Resource Center
          • Request a Free Energy Consultation
          • Find Your Energy Advisor
          • Find a Program Ally Contractor
          • Business FAQ
          • Articles and Case Studies
          • Early Completion Bonus
          • Summer Break Bonus
          • Made in Illinois Bonus
        • Business Symposium
          • Symposium Breakout Sessions
          • Symposium Resources
          • Symposium Sponsors
        • Public School Carbon-Free Assessment Program
        • Business Online Store
  • Market Development Initiative
        • Market
          Development
          Initiative

        • Community-Based Organization Partnerships
          • Community Partner Resources
          • Community Partner Request Form
        • Workforce Development
          • Intake Form
          • Jobs Board
          • Summer Internship Program
        • Procurement Advancement and Transformation
          • Procurement Advancement and Transformation Hub
          • Vendor Intake Form
        • Program Ally Incubator
  • Multifamily
        • Multifamily

        • Multifamily Property Managers
        • Energy Savings for Renters
        • Additional Resources
          • Energy-Saving Tips for Your Property
          • Resources for Products Installed at Your Property
          • Resources to Fund Energy Efficiency Projects
          • Help Managing Your Account
  • Program Ally Contractors
        • Program Ally
          Contractors

        • Existing Program Allies
          • Business Program Ally Resource Page
          • Residential Program Ally Resource Page
        • Become a Program Ally Contractor
          • Become a Business Program Ally Contractor
          • Become a Residential Program Ally Contractor
        • Illinois Commerce Commission Installer Certification
  • Toggle website search
  • Residential
    • Product Discounts and Rebates
      • Online Marketplace
      • HVAC and Water Heating Discounts
      • Heat Pumps
      • All Products
    • Energy Efficiency Home Upgrades
      • Single-Family Homeowners
      • Switch from Propane to Electric
      • Residents with Accessibility and Mobility Barriers
      • Mobile Home Residents
      • Energy Savings for Renters
    • Resource Center
      • Residential Eligibility Tool
      • Find a Program Ally Contractor
      • Energy-Savings Tips and Tools
      • Resubscribe to Energy Efficiency Emails
  • Business
    • Business Types
      • Agriculture
      • Education
      • Healthcare
      • Hospitality
      • Industrial/Manufacturing
      • Local Government
      • Small Business
    • Business Forms Library
    • Incentives & Offerings
      • Lighting
      • Heating, Cooling & Ventilation
      • Small Business Direct Install
      • Process VFDs
      • Specialty Equipment
      • Custom Projects
      • Weatherization
      • New Construction
      • Technical Assistance & Optimization
      • Instant Incentives
      • Water-Saving Devices
    • Resource Center
      • Request a Free Energy Consultation
      • Find Your Energy Advisor
      • Find a Program Ally Contractor
      • Business FAQ
      • Articles and Case Studies
      • Early Completion Bonus
      • Summer Break Bonus
      • Made in Illinois Bonus
    • Public School Carbon-Free Assessment Program
    • Business Symposium
      • Symposium Breakout Sessions
      • Symposium Resources
      • Symposium Sponsors
    • Business Online Store
  • Market Development Initiative
    • Community-Based Organization Partnerships
      • Community Partner Resources
      • Community Partner Request Form
    • Workforce Development
      • Intake Form
      • Jobs Board
      • Summer Internship Program
    • Procurement Advancement and Transformation
      • Procurement Advancement and Transformation Hub
      • Vendor Intake Form
    • Program Ally Incubator
  • Multifamily
    • Multifamily Property Managers
    • Energy Savings for Renters
    • Additional Resources
      • Energy-Saving Tips for Your Property
      • Resources for Products Installed at Your Property
      • Resources to Fund Energy Efficiency Projects
      • Help Managing Your Account
  • Program Ally Contractors
    • Existing Program Allies
      • Business Program Ally Resource Page
      • Residential Program Ally Resource Page
    • Become a Program Ally Contractor
      • Become a Business Program Ally Contractor
      • Become a Residential Program Ally Contractor
    • Illinois Commerce Commission Installer Certification

Do you own a home or small business in Decatur?

We have Energy Efficiency solutions that can help you save money.

Residential Questions

Phone: 1.866.838.6918

Email Us

Business Questions

Phone: 1.866.800.0747

Email Us
Energy Efficiency Program Logo
  • Residential
  • Business
  • Market Development Initiative
  • Multifamily
  • Program Ally Contractors
  • Contact Us
  • Ameren Illinois
  • Privacy Policy
  • Residential
  • Business
  • Market Development Initiative
  • Multifamily
  • Program Ally Contractors
  • Contact Us
  • Ameren Illinois
  • Privacy Policy
  • Residential
  • Business
  • Market Development Initiative
  • Multifamily
  • Program Ally Contractors
  • Contact Us
  • Ameren Illinois
  • Privacy Policy
  • Residential
  • Business
  • Market Development Initiative
  • Multifamily
  • Program Ally Contractors
  • Contact Us
  • Ameren Illinois
  • Privacy Policy
Search
Vimeo

Copyright © 2026 Ameren Illinois Energy Efficiency Program. All rights reserved.

X
How can I help you with Energy Efficiency?
× qcwpbotmodal-content

Click store logo to reveal coupon-eligible smart thermostats.

Product Name Retailer Product Number Retail Price Final Cost After Rebate
Rheem Performance Platinum ProTerra 40 Gal 1010059454 $1,999.00 $1,199.00
Rheem Performance Platinum ProTerra 40 Gal with Leak Detection 1010059458 $2,119.00 $1,319.00
Rheem Performance Platinum ProTerra 50 Gal 1010059453 $2,099.00 $1,299.00
Rheem Performance Platinum ProTerra 50 Gal with Leak Detection 1010059457 $2,219.00 $1,419.00
Rheem Performance Platinum ProTerra 65 Gal 1010059452 $2,449.00 $1,649.00
Rheem Performance Platinum 40 Gal 1005205483 $1,599.00 $799.00
Rheem ProTerra 65 Gal with Leak Detection 1010059456 $2,619.00 $1,819.00
Rheem Performance Platinum ProTerra 80 Gal 1010059451 $2,799.00 $1,999.00
Rheem Performance Platinum ProTerra 80 Gal and Leak Detection 1010059455 $3,019.00 $2,219.00
Rheem Performance Platinum 40 Gal Hybrid 1011847916 $1,504.00 $704.00
Rheem Performance Platinum 40 Gal Hybrid with Leak Detection 1011847864 $1,719.00 $919.00
Rheem Performance Platinum 50 Gal Hybrid 1012120494 $1,869.00 $1,069.00
Rheem ProTerra 50 Gal Hybrid with Leak Detection 1011847851 $1,819.00 $1,019.00
Rheem Performance Platinum 65 Gal Hybrid 1011847889 $1,829.00 $1,029.00
Rheem ProTerra 65 Gal Hybrid with Leak Detection 1011847838 $1,889.00 $1,089.00
Rheem Performance Platinum 80 Gal Hybrid 1012120496 $2,479.00 $1,679.00
Rheem ProTerra 80 Gal Hybrid with Leak Detection 1011847825 $2,619.00 $1,819.00
Product Name Retail Product Number Retail Price Final Cost after Rebate
A O Smith Signature 900 50 Gal 240-volt Heat Pump Water Heater 6768551 $1,950.00 $1,150.00
A O Smith Signature 900 80 Gal 240-volt Heat Pump Water Heater 6768548 $2,698.00 $1,898.00
A O Smith 80 Gal 240-volt Heat Pump Water Heater 5374513 $2,999.00 $2,199.00
A O Smith 40 Gal 240-volt Heat Pump Water Heater 5374512 $2,098.00 $1,298.00
A O Smith 80 Gal 120-volt Heat Pump Water Heater 5374510 $3,098.00 $2,298.00
A O Smith 50 Gal 120-volt Heat Pump Water Heater 5374509 $2,698.00 $1,898.00
A O Smith 66 Gal 120-volt Heat Pump Water Heater 5374508 $2,698.00 $1,898.00
A O Smith 50 Gal 240-volt Heat Pump Water Heater 5374507 $2,229.00 $1,429.00
A O Smith 66 Gal 240-volt Heat Pump Water Heater 5374506 $2,579.00 $1,779.00
A O Smith 80 Gal 240-volt Heat Pump Water Heater 5207971 $2,598.00 $1,798.00
A O Smith Signature 900 50 Gal 240-volt Heat Pump Water Heater 4065452 $1,950.00 $1,150.00
A O Smith Signature 900 66 Gal 240-volt Heat Pump Water Heater 4842214 $2,598.00 $1,798.00

*Instant coupon is also available for the following special order models: 6768549, 6768547, 5207972, 5207970, 4842215, 1054200, 900351, 900329, 900027, 899935, 899931, 899485.

Product Name
Rheem Performance Platinum ProTerra 40 Gal
Rheem Performance Platinum ProTerra 40 Gal with Leak Detection
Rheem Performance Platinum ProTerra 50 Gal
Rheem Performance Platinum ProTerra 50 Gal with Leak Detection
Rheem Performance Platinum ProTerra 65 Gal
Rheem Performance Platinum 40 Gal
Rheem ProTerra 65 Gal with Leak Detection
Rheem Performance Platinum ProTerra 80 Gal
Rheem Performance Platinum ProTerra 80 Gal and Leak Detection
Rheem Performance Platinum 40 Gal Hybrid
Rheem Performance Platinum 40 Gal Hybrid with Leak Detection
Rheem Performance Platinum 50 Gal Hybrid
Rheem ProTerra 50 Gal Hybrid with Leak Detection
Rheem Performance Platinum 65 Gal Hybrid
Rheem ProTerra 65 Gal Hybrid with Leak Detection
Rheem Performance Platinum 80 Gal Hybrid
Rheem ProTerra 80 Gal Hybrid with Leak Detection
Product Name
Rinnai 80 Gal Electric Heat Pump Water Heater
Rinnai 65 Gal Electric Heat Pump Water Heater
Rinnai 50 Gal Electric Heat Pump Water Heater
A O Smith Signature 900 50 Gal 240-volt Heat Pump Water Heater
A O Smith Signature 900 80 Gal 240-volt Heat Pump Water Heater
A O Smith 80 Gal 240-volt Heat Pump Water Heater
A O Smith 40 Gal 240-volt Heat Pump Water Heater
A O Smith 80 Gal 120-volt Heat Pump Water Heater
A O Smith 50 Gal 120-volt Heat Pump Water Heater
A O Smith 66 Gal 120-volt Heat Pump Water Heater
A O Smith 50 Gal 240-volt Heat Pump Water Heater
A O Smith 66 Gal 240-volt Heat Pump Water Heater
A O Smith 80 Gal 240-volt Heat Pump Water Heater
A O Smith Signature 900 50 Gal 240-volt Heat Pump Water Heater
A O Smith Signature 900 66 Gal 240-volt Heat Pump Water Heater

*Instant coupon also available for the following special order models: 5207972, 5207970, 4842215, 1054200, 900351, 900329, 900027, 899935, 899931, 899485.

Get Instant Coupon

Click store logo to reveal coupon-eligible smart thermostats.

Product Name Retailer Product Number Retail Price Final Cost After Rebate
Google Nest Learning - Polished Gold 1011695219 $279.99 $154.99
Google Nest Learning - Polished Obsidian 1011695218 $279.99 $154.99
Google Nest Learning - Polished Silver 1011695216 $279.99 $154.99
Emerson Sensi Touch 2 - White 1009125071 $209.99 $84.99
Emerson Sensi Touch 2 - Black 1009125070 $209.99 $84.99
ecobee Enhanced - Black 1007427425 $189.00 $64.00
ecobe Premium w sensor 1007427424 $249.99 $124.99
Emerson Sensi Touch - Silver 1006465784 $169.99 $44.99
Honeywell T9 White 1005178090 $209.00 $84.00
Honeywell T5+ Black 1003332353 $163.93 $38.93
Honeywell Wifi 7 day Touchscreen White 1002513469 $179.00 $54.00
Emerson Sensi Touch - Black 1002364956 $169.99 $44.99
Copeland Sensi Touch - White 1003419067 $169.99 $44.99
Product Name Retail Product Number Retail Price Final Cost after Rebate
ecobee Premium w/room sensor 4951006 $249.99 $124.99
ecobee Enhanced 4951007 $189.99 $64.99
Nest Learning Thermostat Gen 4 PO 5991723 $279.99 $154.99
Nest Learning Thermostat Gen 4 PG 5991724 $279.99 $154.99
Nest Learning Thermostat Gen 4 PS 5991725 $279.99 $154.99
Emerson Black 831393 $169.99 $44.99
Honeywell Home Silver 831392 $179.99 $54.99
Sensi Black 4865156 $209.99 $84.99
Sensi White 5406155 $209.99 $84.99
Honeywell Home White 1290095 $209.99 $84.99
Honeywell Home X8S Black 7038072 $219.99 $94.99
Product Name
Google Nest Learning - Polished Gold
Google Nest Learning - Polished Obsidian
Google Nest Learning - Polished Silver
Emerson Sensi Touch 2 - White
Emerson Sensi Touch 2 - Black
ecobee Enhanced - Black
ecobe Premium w sensor
Emerson Sensi Touch - Silver
Honeywell T9 White
Honeywell T5+ Black
Honeywell Wifi 7 day Touchscreen White
Emerson Sensi Touch - Black
Copeland Sensi Touch - White
Product Name
ecobee Premium w/room sensor
ecobee Enhanced
Nest Learning Thermostat Gen 4 PO
Nest Learning Thermostat Gen 4 PG
Nest Learning Thermostat Gen 4 PS
Honeywell Silver Wifi
Emerson Black 831393 $169.99 $44.99
Sensi Black 4865156 $209.99 $84.99
Sensi White 5406155 $209.99 $84.99
Honeywell Home White 1290095 $209.99 $84.99
Honeywell Home X8S Black 7038072 $219.99 $94.99
Get Instant Coupon