s.Learn More The Best Boiler Brands | 00 Brand Comparison | FurnaceCompare® May 00, 0000 · A Worcester Bosch boiler has a lifespan of between 00 and 00 years, with the warranty ranging from 0 to 00 years. However, the exact warranty will depend on the specific kind of boiler you choose. Compared to most of the other leading brands, Worcester Bosch boilers are among the most expensive, with prices starting from $000.Learn More 