Desa Tech DB100D is a portable heater delivering up to 90,000 BTU per hour, offering a solution for temporary or supplemental heating needs. Fueled by kerosene or No. 1 fuel oil, it features an automatic ignition system for convenient operation. The DB100D incorporates advanced safety features such as a flame sensor and circuit breaker to ensure safe operation by monitoring the flame and automatically shutting off the heater in case of any irregularities. It's equipped with an air pump and fan to optimize airflow, resulting in efficient and consistent heating.