Thermal Solutions provides high efficiency condensing boilers, near condensing boilers and hot water heaters. We believe YOUR application and specific job requirements should drive product selection. One technology does not suit all installations. High Efficiency Commercial Condensing: AMP: Innovative high capacity design in 46% less space. Arctic: the industry's only field serviceable heat exchanger with a lifetime thermal shock warranty. Apex, light commercial condensing unique in North America, has low waterside pump requirements with water tube longevity.