Rebate requires purchase and installation of qualifying items and submission of a completed online rebate form and proof of purchase to LennoxConsumerRebates.com no later than August 30, 2019. Rebate is paid in the form of prepaid debit card. Must purchase by 8/9/2019, install by 8/16/2019, and claim by 8/30/2019. All offers must include a qualifying thermostat and or at least one system add-on. May not be combined. Inquire for additional details.