With up to 32,000 BTU's, this state-of-the-art vent free technology does not require a flue or chimney. This vent free fireplace system functions on Propane only. With Pleasant Hearth vent free fireplace systems, enjoying the warmth and beauty of a fire has never been easier. Minimum clearance design allows ease of installation almost anywhere. This unit includes a hand-held thermostat remote control that works as an ON/OFF switch or a programmable thermostat where the temperature is read from the location of the actual remote control.