Out-of-season sale. eBay with vipoutlet has the open box Mainstays 2-Setting 1500W Stove Heater w/ Life-like Flame (SHAG-G24F) on sale for $18 - 8% off with coupon code TAKE8OFFSALE [Exp 5/31] = $17 with free shipping. See reviews at Walmart. 

• Designed for rooms up to 160 sq ft. Adjustable thermostat. Cord wrap for storage.