The new NeoTherm LC condensing boiler from Laars Heating Systems is a fully packaged, 1 million Btu, space-saving hydronic solution that offers 94% thermal efficiency. It is a direct-vent, sealed-combustion boiler that modulates with a 10-to-1 turndown. Zero clearance to combustibles with all piping and wiring from the back make it a good choice for tight installations. The natural gas or LP-fired boiler features an ASME stainless-steel heat exchanger, diagnostic information and low 10-ppm NOx