Lennox® garage heaters provide you with an easy and energy-efficient solution for making your garage or workspace more comfortable and usable. Available in a range of sizes and fuel options, and with heat outputs of up to 75,000 Btuh, Lennox garage heaters bring reliable and efficient warmth to utility spaces large or small. With a low-profile cabinet design and a choice of configurations, Lennox garage heaters are both flexible and adaptable. Ideal for areas of excessive dirt, dust or negative pressure, where the risk of fire is high, select models feature separated combustion for added safety. Lennox garage heaters are shipped completely assembled with controls factory-installed and wired.