The COWB3 Boiler: Efficient Performance for Years You never know just how harsh the winter will be, so why risk your family’s comfort? Be prepared for the worst – and cozy all winter – with a Lennox® COWB3 boiler. This standard-efficiency heating system uses a Beckett® oil burner, the product that raised the bar for fuel-efficient heating. Thanks to a domestic hot water coil that provides hot water at almost no extra cost, you’ll see greater energy efficiency. Winter temperatures are one thing, but it’s the wind that takes winter cold to the next level. That’s maybe the biggest reason why we love the COWB3 system’s sealed-combustion design. You’ll even get quiet and draft-free heating. What makes this product even better is its effortless integration with classic radiator systems. When you buy a COWB3 boiler through your Fras-Air/General Service Experts Heating & Air Conditioning in Hillsborough, you’ll get reliability, durability and expert furnace installation service. Ready to see what a a COWB3 boiler can do for you? The COWB3 boiler is available in three models so you can pick the best fit for your home. Schedule your free appointment with Fras-Air/General Service Experts in Hillsborough online or call 908-448-2154 to get started.