Mr Heater now takes portable heater to another level 18,000 BTU/HR with the capacity to heat up to 400 square feet of space for up to 220 hours (on low position). Big Buddys Dual-Heating System (DHS) combines radiant heat comfort with convection heat air flow for maximum heating efficiency. Features: Multi-position heat settings control comfort level. Built-in low oxygen shut off sensor and tip-over switch ensures indoor-safe operation.
