Toyotomi heaters are convenient, laser clean and economical. The have the most advanced technology with the economy of Kerosene, No 2 Fuel oil and ULSD offered. Toyotomi has a variety of sizes to accommodate any of your heating needs, from the L300 to the L730AT. Easy to install, high efficiency heating and a programmable thermostat are a few features. The Laser is one of the most efficient heating systems in the world and will pay for itself in fuel savings in just a few short years.