Walmart offers the Comfort Zone Ceramic Heater in Black, model no. CZ442WM, or Silver, model no. CZ442SWM, for $7.88. Opt for in-store pickup to dodge the $4.97 shipping charge. That's $4 under our April mention and the lowest price we could find now by $9. This 1,500-watt heater features three settings, stay-cool body, and a tip-over cut-off switch.