Recognized as a leader in construction heating for over 50 years, L.B. White offers technical expertise and knowledgeable customer support that you can count on for all of your construction heating needs. L.B. White offers a full line of portable gas forced air, convection, circulating and ductable construction heaters. Their product line includes a broad range of heaters for use in North America, as well as a number of products certified for international applications. Products are available in heat outputs ranging from 100,000 to 600,000 Btu/h, and fuel types include kerosene, natural gas or propane depending on the model.