Thermal Solutions Products, LLC has designed the Evolution high efficiency copper-finned boilers and water heaters to meet the needs of today's commercial heating requirements. The Evolution takes the very best of existing copper-finned boiler and water heater technology to the next level by incorporating a list of design features not found in all products. Real-life serviceability, exceptional heat exchanger, advanced combustion design made simple, and unique timesaving controls are all combined in a compact quick-connect package with efficiencies of up to 97%. The Evolution is truly a step above the rest.