Completed heating maintenance on one steam boiler removed and clean burners and clean, electronic spark igniter check the electrical mechanical components and electrical connections turn boiler on and checked operations also flush system and tested lower a cut off and automatic water fill also perform maintenance on two heat pump systems Checked electrical and mechanical components and blower wheels and evaporator coils. Sprayed coils and cleaned. Interior of cabinets turned systems on and checked operations left systems working. Also replaced filters one 14 x 20 by one and filter 14 x 24 by one. View visual findings from this job here - https://visionshare.xoi.io/?id=XA-A243-9A8FEFA91E9046EFB5FB1A2FDC139DBE