Indoor, Gas-Fired, High Intensity Infrared Heaters:
50,000 - 120,000 BTUH Input for Propane (Model RIHVL)
100,000- 200,000 BTUH Input for Natural Gas (Model RIHVN)
Reznor's RIHVL/RIHVN large high-intensity infrared heaters employ a high surface temperature system creating a more intense source of heat.