 Lennox International NYSE: LII and Budderfly, a North American Energy Efficiency-as-a-Service EEaaS, announced a nationwide partnership to allows Budderfly to scale its no upfront cost HVAC replacement program with the addition of Lennox Model L, an ultra-high efficiency rooftop unit, and expert service and maintenance on Lennox and other HVAC brands. The Lennox partnership is part of Budderflys multi-component energy optimization program created in part to service national accounts. 