Note, this program is expiring December 30th, 2021 due to exhaustion of funds. Please use your coupon by December 30th to qualify.
Get an instant $100 discount on a smart thermostat.
Check which thermostats qualify
Verify you're an eligible Ameren Illinois customer
Receive a coupon and use it for your smart thermostat purchase (This coupon is to be used at point-of-purchase. If you have already purchased your smart thermostat, you can apply for a rebate at AmerenIllinoisRebates.com.)
