Look no further! Here's the heating solution you need to make your garage comfortable. Designed specifically for garage environments, the SPIDER's combination of optimal performance, instant heat and distinctive design are a sure-fire hit. The energy-saving heater is compatible with 4000 W electronic thermostats. The ceiling installation frees up walls and storage space. It is strongly recommended to use this unit with an electronic thermostat. This product is backed by a 5-year warranty.