Ajax Boiler Inc. designs and manufactures a comprehensive line of boiler and commercial water heating products that have 90+ years of proven quality and reliability in the market. The company currently goes to market under three brands - the Ajax brand for traditional, heavy duty (bullet-proof) steel boilers used in HVAC systems, the Atlas brand for cutting edge high efficiencies, and the Ace brand for the domestic water heating market (including tanks, generators and indirect fired semi-instantaneous water heaters. The Ajax experience and expertise combine the disciplines of combustion and heat transfer technology, pressure vessel design, and control advancements to bring you the best available technology in their products. The onsite R&D facility has the capacity to test fire boilers up to 21,000,000 BTU/hour under load conditions with calibrated test equipment that meet all UL certification testing requirements. All products are fabricated onsite in the California factory, and Ajax continues to be family owned and operated.