Welcome to The EFI Ameren Illinois Non-Residential Product Offer

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Start saving on ENERGY STAR® certified products through our online store.

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This ActOnEnergy/EFI store is exclusively for the DS-2, DS-3, and DS-4 non-residential customers of the Ameren Illinois, with order delivery restricted to the Ameren Illinois service territory. Distributor discounts and product rebates from Ameren Illinois have already been applied to the net product prices shown here.