Heat furnace maintenance in Cumming. All system components tested within normal manufacturing spec. All systems heating at this time. Basement system needs compressor saver hard start kit to reduce stress on compressor and reduce energy consumption on start up which will extend the life of the system especially when starting in the cold winter months. Upstairs system needs drain line water safety to help prevent flooding in the case of common drain line clogs. Replaced ultraviolet bulbs in all 3 systems. Added hard start in basement heat pump nd installed drain line water safety in attic system