Embassy Industries Boilers | FurnaceCompare®

Embassy Industries Boilers

Everything you need on Embassy Industries Boilers, including model details, industry rankings and customer reviews, all in one place.

Embassy Industries Boiler Overview

Embassy Industries is a manufacturer of hydronic heating products, including gas combi boilers and baseboard. Embassy Industries is a subsidiary of Mestek Inc. Mestek is headquartered in Massachusetts and reported revenue of approximately $678 million in 2017.

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Corporate History

Embassy, located in Farmingdale, NY, was acquired by P&F Industries in the mid-1960’s. The company continued to be a part of P&F Industries until 2005, when it was acquired for $8 million by Mestek Inc. Mestek, dates back to the 1853 creation of the Mills Boiler and today is made up of 38 companies across several industries.

Product Lines

The Embassy line is made up of two gas-fired wall-hung combi boilers. The Onex is a condensing boiler with an efficiency of 91% AFUE that runs on either propane or natural gas. It is available in both “combi” and “heat only” units. The combi unit has a 4 GPM semi-instantaneous domestic hot water coil, and the heat only unit can be easily piped to an indirect-fired storage tank.

The Celsior is a near-condensing boiler with an efficiency rating of 85% AFUE that runs on either propane or natural gas. Like the Onex, the Celsior produces 4 GPM of domestic hot water.


Embassy boilers are covered by a Limited Lifetime heat exchanger warranty, prorated after the 10th year, and a 1-year parts warranty. Labor costs are not covered by the warranty.

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