Ramfan’s UB20 portable heating and ventilation system from Euramco Safety now included a thermostat control that maintains a desired level of warmth in a workspace or a tent and extends the life of the propane tank. The UB20 system also delivers continuous airflow for worker safety when the heater is not in use. The system operates on a standard propane tank and includes a UB20 blower, the 70,000- Btu heater, a duct storage canister and duct, plus a standard propane regulator and hose connector.