Pelonis 1500-Watt Portable Electric Oil-Filled Radiant Heater for $36.98. Shipping is free on orders over $45. If needed, use this Filler Tool to pad the order to qualify for free shipping. Here is a screenshot for your reference. The Pelonis 1500-Watt Portable Electric Oil-Filled Radiant Heater has 3 heat settings for different comfort options and features a built-in overheat protection device and an automatic cut-off, along with all-direction casters for mobility. At the time of this post, this portable electric room heater is recommended by 92% of user reviews.