75 Years of Innovation and Excellence
Our Story Told
Leading the Industry in Heating and Hot Water Solutions
In 1949, Henry Angelery designed an innovative indirect-fired water heater that delivered on-demand, temperature-controlled hot water without storage – and it revolutionized the water heating industry.
For 75 years, AERCO has continued to innovate introducing the first condensing and fully modulating boiler and water heater to the commercial market as well as several other ground-breaking products and advanced technologies that have helped thousands of customers increase efficiency and save energy.
About AERCO
When Henry Angelery founded AERCO as Angelery Engineering Research Company in 1949, his goal was to deliver on-demand temperature-controlled water heating without storage. That vision became a reality when AERCO introduced an innovative design for an indirect-fired water heater – and it revolutionized the water heating industry.
News and Events
Read about our latest news and upcoming trade events where you can see our solutions and technologies, and meet our team.
Industry Associations
As a manufacturing innovator and industry leader, AERCO and its employees are active members of many professional associations, contributing to and communicating with them regularly.