Bosch singular combi wall boilers provide efficient heating and hot water for residential applications.

Each year, Plumbing & Mechanical editors receive thousands of product releases from industry manufacturers. The 20 products highlighted here have earned the distinction of being PM’s Top Products of 2021 based on the number of page views on pmmag.com. Congratulations to those products on this year’s list.

Laars Heating Systems’ ultra-high-efficiency floor-standing FT series combination boiler and water heater is the only residential combi boiler that simultaneously supplies abundant home heat and endless hot water without interruption, the company states. 

U.S. Boiler Co.’s Alta Combi boiler, is a gas-adaptive combi-boiler with 10:1 turndown. 

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-2 tankless water heaters, advanced controls with intuitive display and the highest full lineup 2" vent length, up to 65', Navien notes.

The Brute FT’s advanced technology delivers quick response, exceptional efficiency and years of reliable service, Bradford White notes.

The Weil-McLain ECO Tec boiler is designed for residential space and domestic hot water heating, available in both heat only and combi versions.

When a customer in suburban Philadelphia called Jason Golden, owner of J. Golden Plumbing Heating Cooling in Perkiomenville, Pennsylvania, for a plumbing and heating retrofit, Golden had a solution that delighted the customer in a couple ways.