Woot.com has the Amaze-Heater 250-Watt MINI Convection Room Heater for $64.99 with free Prime shipping.

• Noiseless, triple-insulated heater with heat reflector to save heating costs by up to 50%
• Efficiently warms a room up to 80 square feet – install heater in rooms that are used at night and lower the central thermostat by 5° – 10° .
• Ultra slim and compact design for out-of-the way wall mounting.
• Dimensions: 23.3″L x 17.3″W x 1.5″D