Walmart has an Comfort Zone Electric Portable Heater Sale, $11.83 - free in store pickup or Free Shipping $35+. Rated 4.4 out of 5 stars.

Transform each room you work or relax in into a warm and comfortable space with this Comfort Zone portable electric fan heater. Recommended for small rooms measuring up to 800 sq. ft., this personal heater has a fan-forced design to boost its dispersion. An oscillation function helps to warm your space evenly in all directions, and it can be turned on and off with the simple push of a switch. The portable heater fan is equipped with heat-resistant housing that keeps its exterior cool to the touch to help prevent burned fingers when you pick it up. The lightweight design and molded handle make this electric portable heater easy to move from one room to another throughout your busy day. This can help you save money on energy bills by reducing the overall temperature of your home and using this space heater to warm only the areas you are currently inhabiting. Features like a tip-over cutoff switch and an overheat protection sensor instantly turn the unit off if it is knocked over or reaches an unsafe temperature to keep it running smoothly and safely during extended use.