Applying the UL Gas-Fired Mark
The UL Gas-Fired Mark communicates to customers and regulators a product's compliance to nationally recognized gas standards. It is a symbol of the strength and acceptance of the UL brand and a legacy of consumer confidence.
UL's experienced staff will evaluate the product to the applicable standard to meet regulatory, market or customer requirements including:
- UL Standards
- ANSI Z21/CSA and Z83/CSA series gas standards
- EN standards
Comprehensive product coverage
UL evaluates a range of gas-fired equipment. For products requiring multiple certifications, UL can combine delivery of certifications to match a manufacturer's needs including gas-fired, oil-fired, solid fuel, electrical, food service equipment, and sanitation and water testing to national and international requirements. UL's expertise covers the evaluation of a wide range of gas-fired products.
Residential
- Clothes dryers
- Ovens and ranges
- Water heaters and boilers
- Hearth products
- Furnaces
- Outdoor cooking appliances
- Gas-fired camp equipment
- Gas illuminating appliances
- Vented and unvented room heaters
- Decorative fireplaces
- Patio heaters
Commercial and industrial
- Baking and roasting ovens
- Food warmers
- Ranges and broilers
- Fryers
- Direct-fired make-up air heaters
- Central furnaces
- Duct furnaces
- Unit heaters
- Water heaters
- Industrial air heaters
- Construction heaters
- Boilers






