The NFB-C is available in two sizes: NFB-301C (301 MBH) and NFB-399C (399 MBH).

Weil-McLain’s Stainless Steel Vertical Firetube (SVF) boiler features thermal efficiency up to 97.1%, easy installation and maintenance, the intuitive and user-friendly Unity control system, and Weil-McLain boiler design reliability and longevity, the company says.

The MagnaTherm FT condensing boiler is available in 1,000, 1,500, 2,000 and 3,000 MBH sizes with up to 20:1 turndown. 

The A. O. Smith ProLine XE combination boiler’s service-friendly compact design offers professional contractors easy installation, setup and maintenance, delivering immediate hot water and comfortable space heating for homes. 

The CREST condensing boiler upgrade provides up to 96% thermal efficiency in six models ranging from 2.5 MBtu/h to 6 MBtu/h. 

The XVers L is built to automatically assess the temperature and adjust to make sure the environment is controlled and comfortable. 

Contingent upon regulatory permits and approvals, Navien’s current plans are to expand the existing facility starting in 2023, which will triple the footprint to nearly 900,000 square feet by 2026.

Sherlock Holmes has always been one of my favorite fictional characters. I envied how he would notice each detail and use every one of his senses to solve the crime. 

Congratulations to those products on this year’s list! Top Products are based on the number of pageviews on pmmag.com.

In September, Navien invited engineers and reps to learn more about its products and tour its Seotan Factory in South Korea.