Mitsubishi Electric and Electronics USA, Inc. HVAC
The variable-refrigerant-flow (VRF) zoning R2-series outdoor cooling and heating system is a two-pipe unit offering simultaneous cooling and heating to 14 degrees in ambient conditions. It also offers quiet operation of 58-64 decibels and the support of an extended setpoint range. The Y series units include cooling or heating up to 50 zones through one unit, quiet operations of 58-65 decibels, cooling to -10 degrees with an optional low ambient temperature kit, and pipe length of up to 98 feet of vertical height between indoor units.
SC Johnson Professional: Alcare Extra with OPTIDOSE
Horton Automatics: BH Slider
Kimball International: Shore
Protimeter: Aquant
Sensaphone: Sentinel PRO