This heater  is a durable and energy-efficient heating solution for small spaces. It features a PTC ceramic heating element and can heat up to 200 square feet in just seconds, while also running at a low 45 dB. The price drops from $39.99 to $19.99 to $14.98 when you apply the coupon code "9KCLZOEV" at checkout. Shipping is free for Prime members or on orders over $35.