When specifying and designing a high-efficiency boiler system, much attention is often given to the published efficiency ratings of units. 

With innovative design, intuitive control technology, maximum heat transfer and 20:1 turndown range, the Laars MagnaTherm FT boiler is engineered to provide reliability, efficiency and top performance for a variety of commercial applications, the company states. 

The perfect combination of reliability, technology and performance in one compact unit, the Rinnai I-Series condensing boiler can serve heating needs or can be combined into a dual-purpose heating and water-heating unit, the company notes. 

Lochinvar’s next generation of the KNIGHT XL commercial boiler product family is available in five models, ranging from 399,000 to 1 million Btu/h. 

The XVers L, Raypak’s newest hydronic boiler, is built to automatically assess the temperature, and adjust to make sure the environment is controlled and comfortable. 

Simons has more than 30 years of experience in the boiler industry.

Navien’s new NCB-H condensing combi-boiler is packed with industry-leading features, including the highest residential DHW Btu: up to 210,000 per hour, cascade and common vent capabilities with NPE tankless water heaters, advanced controls with intuitive display, and the highest full lineup 2” vent length, up to 65’, the company notes. 

Weil-McLain offers the stainless steel vertical firetube (SVF) commercial boiler line featuring thermal efficiencies up to 97.1%.