Be Cool and Conquer Top of Rack Airflow Issues in 2017 Geist SwitchAir® is the best antidote to overheating Network Switches and other TOR devices. Geist’s SwitchAir is the only product on the market today that provides a tailor-made solution to Top of Rack heat issues. Our SwitchAir units create a barrier to effectively prevent hot exhaust air from entering network switch intakes, load balancers and routers. Make 2017 the year you put those heat issues to rest. Use the SwitchAir Finder to locate the Geist SwitchAir that you require based on a variety of configuration options.