Mitsubishi Electric. The company’s line of split-ductless and ducted heat pumps now feature Honeywell’s RedLINK wireless HVAC protocol for easy zoned temperature control and greater energy savings. The system’s portable central controller allows users to manage HVAC functions in up to 16 zones, allowing for heating and cooling of occupied rooms only. The wall-mounted controllers feature easy-to-read backlit displays and intuitive operational functions. 866.323.4822. www.mehvac.com.