If your home water boiler is no longer operating efficiently and you’re interested in replacing it, consider the high efficiency cast iron gas and oil boilers from U.S. Boiler Company. Our award-winning ES2™ gas fired boiler and MPO-IQ™ oil fired boiler have been recognized as Consumers Digest Best Buys.
U.S. Boiler Company takes energy efficiency seriously. We are the leading North American manufacturer of home heating equipment, water boilers, steam boilers, hot water heaters, and radiators. The company has introduced more new, high efficiency products over the last several years than any other company in the history of hydronic heating.
The IQ Family of boilers are designed from the ground up to keep heat in the heating system. Features that make them unique are the most advanced cast iron heat exchangers in the industry, manufactured in Zanesville, Ohio to strict quality standards, superior product engineering and the exclusive IQ Control System, which was co-developed by U.S. Boiler Company and Honeywell, the leader in home comfort controls.
Cast Iron Gas Water Boiler
- ES2™ and Series 3™ – The unmatched performance of the ES2™ cast iron gas-fired water boiler is the optimal replacement boilers for homes with existing chimneys. They are available for natural or LP gas and can be equipped with optional energy saving packages to reduce fuel consumption by up to 15-20% according to most studies. ES2™ achieves an 85% AFUE and Series 3 achieves an 84% AFUE.
- ESC™ – If a chimney-vented boiler is not an option, the ESC™ cast iron gas-fired water boiler is the perfect balance of durability, practicality, and efficiency. The IQ Control System monitors the boiler’s operation and adds additional energy saving features. It runs on natural or LP gas, achieves an 85% AFUE, and has direct vent (horizontal or vertical) and power vent options.
- Series 2™ – This boiler is the best-selling cast iron gas-fired water boiler in America. It runs on natural or LP gas, has a durable steel jacket, and features an updated boiler control system. The Series 2™ achieves an 82% AFUE.
- Independence™ – This is a cast iron gas-fired boiler designed for homes with steam heating systems. It can be installed in homes with or without chimneys.
Cast Iron Oil Water Boiler
- MPO-IQ™ – Our award-winning 3-pass high efficiency cast iron oil-fired water boiler can save homeowners up to 49% in energy costs. It’s an optimal replacement boiler for homes with existing chimneys. The MPO-IQ™ has the highest average efficiency in its class with a rating as high as 87% AFUE.
- V8H™ – The V8H™ is rated at 85% with a design that makes it a drop-in replacement with lower installation costs. It’s available for water or steam applications and has been an industry benchmark for cast iron oil-fired boilers.
- Megasteam™ – For homeowners who need a cast iron oil-fired steam boiler, MegaSteam™ is a U.S. Boiler exclusive that achieves an unmatched 86% AFUE efficiency with a 3-pass cast iron heat exchanger – the only one of its kind in the world.
U.S. Boiler Company, the leading brand in hydronic heating, offers the best engineering capabilities available anywhere, and an extensive line of American-made products. Contact us for information about our cast iron water and oil boilers or to find a professional heating contractor in your area.