I installed a Five Star 96% Communicating 2 Stage Variable Speed 60,000 BTU Gas Furnace 3.5T 17, a Five Star 19 SEER 3 Ton Variable Speed Air Conditioner, and an Aprilaire High Efficiency 4 Air Cleaner2210. I added a Surge Protector, and a Surge Protector. I cycled and monitored the systems and protectors. Everything is operational at this time.