Home / TPI Corporation / TPI Unit Heaters TPI Unit Heaters UH Series Horizontal Fan Forced Unit Heater 5100 Series Horizontal or Vertical Fan Forced Unit Heater 2600 Series Downflow Unit Heater 5600 Series Multiple Wattage Fan Forced Unit Heater 5700 Series Confined Space Plenum Rated Heater 6300 Series Multiple Angle Cabinet Unit Heater YES Series Wall Or Ceiling Mounted Salamander PE Energy is an authorized TPI Corporation distributor. Contact us for a custom quote. See all TPI Corporation products