Casita = Replace existing system with new Lennox 2-ton split system 2-stage. Fabricate rectangular 28x10 return system on right side of furnace closet to attic. Install 14†flex duct to high wall return cut-in for the casita. Re-locate thermostat to service casita. Save Exiting 2-stage American Standard Furnace and Purification for Main house. Main House = Install American Standard furnace + Lennox Silver cooling only package. Provide return platform in closet conversion, include return air system, provide all gas, electrical, refrigerant lines, and Exhaust systems per code. Provide and design full r-6 class 1 duct system with 7 total new supplies thru out the home. Kitchen and 1- Living room vent will have exposed metal ducts running thru the bathroom and office (customer to decide on soffit or paint) All Permits and HERS testing included. $25,367 Due upon completion. After Lennox rebate total $24,942 Remove Both existing wall heaters (patch not included) Exclusions to pric