Delonghi SafeHeat HS15F Convection Portable Heater with Internal Fan for $34.99 shipped. To get free shipping, you simply need to sign up for Staple’s rewards program, which is free and easy. Here is a screenshot for your reference. It has a convection heating system with internal fan and features a power indicator light, adjustable thermostat with 2 heat flow settings, and safety thermal cut-off. Most places have it for about $59.