OMNI-Test Laboratories, Inc. (O-TL) evaluates and certifies products. Products that are certified by O-TL have been evaluated by O-TL and found to be in conformance with all applicable safety standards and model codes recognized under the standard system(s) of the United States (US) and/or Canada. In addition, certification is contingent upon satisfactory review of manufacturing quality control (QC) for the product. A certified product that is subject to follow-up inspection to ensure continuing conformance with the requirements of certification is said to be a listed product and the product’s manufacturer is considered a supplier of a listed product. Suppliers of listed products are authorized to apply labels bearing O-TL’s certification mark to certified products, subject to the terms of a listing agreement. The types of products that O-TL evaluates, certifies, and lists fall into the following general categories: • Gas-Fuel Fired Appliances (Boilers, Room Heaters, Wall and Floor Furnaces, Fireplaces, Cooking, and Decorative); • Oil-Fuel Fired Appliances (Boilers, Room Heaters, Stoves, and Furnaces); • Solid-Fuel Fired Appliances (Boilers, Room Heaters, Furnaces, Fireplaces, Stoves, And Cooking); • Electric Heaters And Other Electrical Standards Related To Fuel Burning Equipment; • Flue Gas Venting Equipment; • Heat Shields And Wall Protectors, Hearth Extensions And Floor Protectors; • Fireplace Accessories; • Processed Fuel Firelogs. Certification Systems At the applicant’s option, O-TL can evaluate and certify product conformance under the US certification system, the Canadian certification system, or both the US and Canadian certification systems.