The out-of-sight, out-of-mind UL listed in-floor perimeter trench heater.
THX warms air at the base of exterior windows, creating a natural updraft that protects your building’s heat envelope and curtain walls. Windows stay free of fog and condensation and warm air circulates throughout the space with no need for a fan or blower.See It in Action »
THX saves space while providing maximum output. A single technician can wire and connect multiple units to extend warmth across wider areas.
Leveling and mounting legs allow you to raise each unit to the appropriate height for your space. Choose from three grille color options to fit your aesthetic. View mounting options »
THX can be controlled with a low- or line-voltage thermostat. Available BMS-compatible relays tie the unit into your overall climate control system.