ThermaCell Mosquito Repellents  is the developer and manufacturer of the world’s most effective and innovative area mosquito control devices, utilizing a patented technology based upon a portable butane powered device. ThermaCell has pioneered an odorless delivery system that utilizes heat to disperse mosquito repellent, providing up to 98% protection for an area of up to 225 square feet. The ThermaCell products are convenient, easy to use and provide superior protection from mosquitos without requiring direct application to the skin. .