We are so confident of the reliability of our products that we are glad to offer our clients comprehensive 24 month full warranty, covering even the sensors in our equipment! This does not include components such as filters and PID lamps. Our customers get access to our trained and authorized service center for the duration of the warranty subject to the terms and conditions of the warranty. For any related issue, you can reach one of our engineers via email for any technical issue. For fast and efficient support simply email support@scentroid.com