High efficiency, Weil-McLain quality
Whether you’re a homeowner, contractor or building engineer, there’s a Weil-McLain high-efficiency boiler that delivers the performance you need. The lineup is engineered to live up to our legendary standards and push hydronic heating forward at the same time.
We have a long standing relationship with Weil-McLain, and we trust the quality of their boilers. The SVF boilers were the perfect match for the space.
- Eric Cameron, project manager, Nu-Mun Contracting. Read case study
This premium heat-first combination boiler provides hot water when you need it and comfort where you want it with extreme efficiency.
Quiet, sleek and sustainable space heating that’s adaptable to any residential heating application.
Ultra Series 4
This corrosion-resistant boiler is designed to operate in low-temperature condensing applications.
Our industry-leading, cast iron dependability meets high-efficiency performance with this boiler great for high-temperature systems.
Larger Evergreen models are ideal for light-to-medium commercial and/or multi-unit residential installations.
The cast aluminum SlimFit is the fastest, easiest solutions for limited-space commercial retrofits.
Still curious what all the fuss is about?
Learn from our experts what makes high-efficiency boilers different from conventional, or standard, boilers, and the impact they can make.Read more
Our high-efficiency boilers are tested and/or certified to the industry’s highest standards
Department of Energy
Air-Conditioning, Heating, & Refrigeration Institute
American Society of Mechanical Engineers
Canadian Standards Association
American National Standards Institute
National Fire Protection Association
South Coast Air Quality Management District
Let’s talk high-efficiency boilers
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