For more than a decade, Comfort Zone has grown to become a trusted brand, recognized nationally as a leader in home environment products. Comfort Zone heaters, fans and humidifiers provide safe and reliable performance with exceptional value and thoughtful innovations. As a leader in safety and reliability, Comfort Zone has dedicated engineering and quality-assurance teams in the us and china. Comfort Zone products are designed and tested to meet strict global quality standards including UL®, ETL®, SAA, ce, CSA and Nom. Sturdy and secure construction. Perfect for your household. High quality product.