We may earn revenue from the products available on this page and participate in affiliate programs. These discounts on Dreo heaters, humidifiers, and fans are an easy way to make your space feel a lot more livable without messing with your HVAC. The 3D oscillation helps move heat around, so you can feel it at your desk and on the couch without babysitting the unit. Dry winter air is rough on skin, sinuses, and houseplants. A tower fan like this can even out hot and cold pockets in a room, make a heater feel more effective, or keep you from sleeping in a stuffy cave.