The Mr. Heater BIG Buddy Portable Propane Heater in red (MH18B) is a powerful unit heater that provides 18000-18999 BTU of heating capacity, making it ideal for keeping large areas (451-500 sq ft) warm and comfortable. This portable heater features a radiant heating system and can be powered by electric, gas, or propane, giving users flexibility in choosing their preferred energy source. With a control style that includes a rotary knob and switch, this heater offers easy adjustment for personalized heating needs. The multicolor design adds a stylish touch to any space, making it a practical and efficient heating solution for home and garden improvements.New open box item