High efficiency boilers are boilers with annual fuel utilization efficiency (AFUE) ratings of 85% or greater. Some Weil-McLain ENERGY STAR® rated boilers score as high as 92% AFUE.
Weil-McLain® high efficiency boilers use less fuel, saving you money. Our Ultra Gas boiler uses a variable speed motor, which allow for fewer starts and stops saving energy and increasing the life of the boiler.
A high efficiency boiler from Weil-McLain® can provide you with lower energy costs, a more comfortable home and years of trouble-free operation.
For more information on energy-efficient heating products, visit www.energystar.gov.