Pennco Boilers | FurnaceCompare®

Pennco Boilers

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

Pennco Boiler Overview

Pennco manufactures gas and oil boilers for the residential and commercial markets. The Pennco brand is owned by ECR International, a private company headquartered in Utica, New York.

What are the 10 Best Boilers?

Consumer Reviews of Pennco


  • Very Satisfied
  • Somewhat Satisfied
  • Neutral
  • Somewhat Unsatisfied
  • Very Unsatisfied
  • #1 of 1 Pennco Boiler
  • 0% of customers recommended

Corporate History

In 1928 Earle C. Reed established two manufacturing companies, the Utica Companies and the Dunkirk Radiator Corporation. Over time these companies acquired other heating and cooling companies, including Pennco, which Dunkirk purchased in 1998. In 1999, Dunkirk and Utica merged to form ECR International, “ECR” referring to the initials of founder Earle C. Reed.

In 2008 ECR built a 25,000 square foot stamping plant with new manufacturing equipment at the Dunkirk facility and expanded the Utica faciliity by 30,000 square feet.

Product Lines

Pennco manufactures four residential gas boilers. The most efficient of these is the P90, an Energy Star qualified condensing unit with a cast aluminum heat exchanger and an efficiency of 90% AFUE. The company also manufactures two residential oil boilers, the Keystone Water Series II and the Keystone Steam KSC IV Series, which both feature cast iron heat exchangers.


Pennco’s P90 condensing boiler is covered by a 15-year heat exchanger warranty, pro-rated after the 10th year, and a 1-year warranty on other components.

The Keystone Steam KSC IV boiler has a 10-year heat exchanger warranty and a 1-year warranty on other components.

Cast iron residential water boilers have a 20-year heat exchanger warranty, pro-rated after the 10th year, and a 1-year warranty on other components.

Find a Certified Heating & Cooling Professional In Your Area

Contact a top-rated local expert to help with all of your home's HVAC needs.

HVAC Brands

Learn more about your home's heating and cooling system with our guides, how-to's, FAQ's, tips and more.

Ready to get a quote from an HVAC contractor?

Let us know what type of service you need and we can connect you with a certified local HVAC contractor.

Please enter a valid name

Please enter a valid phone number

Please enter a valid zip code

There are no dealers in this zip code.

Please enter a valid email address

Please select repair or replace

Please select heating, cooling or both