Using its modulating burner to scale fuel use and condensing technology to reuse heat that traditional boilers lose, the Weil-McLain Evergreen 155 is rated as one of the most efficient boilers on the market. With multiple features making the Evergreen 155 easy to install and ...Using its modulating burner to scale fuel use and condensing technology to reuse heat that traditional boilers lose, the Weil-McLain Evergreen 155 is rated as one of the most efficient boilers on the market. With multiple features making the Evergreen 155 easy to install and maintain, the Evergreen line has made home boilers easier to use than ever.
The flexibility of the Evergreen line is unmatched, as up to eight units can be connected and controlled simultaneously. With the ability to be wall or floor mounted, the Evergreen series boilers can fit in almost any application.