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Celebrate the "land of the free" with a FREE smart thermostat!*

Celebrate the "land of the free" with a FREE smart thermostat!*

*Tax and shipping fees may apply

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$100 Instant Rebate on All Smart Thermostats

$100 Instant Rebate on All Smart Thermostats

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Welcome to the Ameren Illinois Energy Efficiency Business Online Store

Welcome to the Ameren Illinois Energy Efficiency Business Online Store

Get instant savings on smart thermostats, smart LEDs, advanced power strips and more.

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