Complete 3 heating maintenance in Atlanta. Check safety and operations. Find upstairs Amana gas furnace operating with in manufacturer spec. Suggest surge protection for gas furnace. Duct system not R8 to meet code. Find basement older Lennox gas furnace operating with worn blower motor and need to keep check. Find bio growth on air distribution box. Suggest pureAireX air purifier system. Suggest surge protection for furnace and suggest wet switch to help detect water due to not drain pan. Find basement Airhandler operating with in manufacturer. Suggest wet switch water detector. Suggest pureAireX air purifier system. All 3 system operating at this time.