NTI manufactures only top-quality hydronic heating equipment. Acknowledged as a leader in research and product development, N ... TI is a pioneer in developing the most advanced and efficient home heating equipment, including gas boilers, water heaters, combi furnances, hot water tanks and solid fuel boilers. All NTI products are designed in accordance with the most advanced guidelines, industry codes and are developed using state-of-the-art design and testing techniques. The on-site laboratory and training facilities at our head office in Saint John, New Brunswick ensure to maintain NTI commitment to enduring quality, customer oriented product development and superior contractor support. read more