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Geothermal & Air-Source Heat Pumps

Heat pumps are units that provide both cooling and heating from the same equipment. In the summer, the unit removes heat from your home and sends it outside. In the winter, the process is reversed..

There are two types of heat pumps: geothermal systems and air-source heat pumps. 

Geothermal systems are the most efficient comfort system available today. They utilize the fairly constant underground temperature to both heat and cool your home. They operate at about 450% efficiency! They are a bit more expensive to install, but normally you make up for that increased up-front cost with much lower operating costs every month. 

Air-source heat pumps operate at about 250% efficiency on the heating side. They use the outside air to heat and cool. Since the outside air during the winter is cooler than it is underground, air-source heat pumps aren't quite as a efficient as a geothermal system.

Since air-source heat pumps require nominal backup heat, they are a great solution for retrofits – especially if you need to replace your existing air-conditioner.  


Heat Pump Resources

Local Approved Air-Source & Geothermal Contractors

Air-Source Heat Pump Rebate Program

Geothermal Alliance of Illinois

For more information, including help in choosing the right heating system for your situation, please contact our member relations department at 800-824-5102 or via our EI Help Desk.

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330 W. Ottawa
PO Box 96
Paxton, IL 60957

Toll-free: (800) 824-5102

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  • My Account
    • Account Information
      • Start/Stop Electric Service
      • SmartHub Account Portal
      • Capital Credits
      • Contact Us
      • 2024 Rate Restructuring
    • Billing Information
      • Payment Options
      • Rates & Regulations
      • Demand Information
      • Understanding your Bill
      • PrePaid Advantage Program
      • Bill Payment Assistance
    • Outage Information
      • Outage Information
      • Outage Map
      • Right-of-Way Procedures
  • My Cooperative
    • News and Events
      • News
      • Publications
      • Annual Meeting
      • Annual Reports
      • Co-ops Vote
    • About EIEC
      • About Us
      • Board of Directors
      • Employees
      • Service Territory
      • Employment
    • Co-op Information
      • What Makes Co-ops Different?
      • Power Supply
      • Governance
      • Touchstone Energy
  • My Community
    • Community Involvement
      • Co-op Connections
      • Request a Speaker
      • Sharing Success Program
      • Grassroots Advocacy
    • Educational Programs
      • Empowering Education Grant Program
      • Youth to Washington Program
      • School Presentations
      • IEC Scholarship Program
  • Energy Solutions
    • Save Money
      • Energy Efficiency
      • Together We Save
      • Geothermal & Air-Source Heat Pumps
      • Insulation
      • Request an Energy Evaluation
    • Energy Programs
      • Heat Pump Rebate Program
      • Business Development
      • Standby Generators
      • Electric Vehicles
    • Renewable Energy
      • General Information
      • Net Metering
      • Net Billing
      • Qualifying Facilities
      • Bright Options Solar
  • Safety
    • Call Before You Dig
    • Safety Tips
    • Storm Safety
    • Safety Quiz
    • Outdoor Lighting