The COWB3 Boiler: Efficient Performance for Years You can’t predict winter weather, so why risk your family’s warmth? Be equipped for the worst – and cozy all season – with a Lennox® COWB3 boiler. This standard-efficiency heating system includes a Beckett® oil burner, the product that set a benchmark for fuel-efficient heating. A domestic hot water coil takes your energy efficiency further by providing hot water at virtually no additional cost. Winter temperatures are one thing, but it’s the wind that brings us over the edge. That’s on reason why we love the COWB3 system’s sealed-combustion style. Plus, your heating is both quiet and draft-free. What makes this product even better is its effortless integration with traditional radiator systems. When you buy a COWB3 boiler through your Golden Seal Service Experts Heating & Air Conditioning in Saint Charles, you’ll get reliability, durability and expert furnace installation service. Ready to see what a new heating system can do for you? This boiler is available in three models so you can pick the best one for your home. Schedule your free appointment with Golden Seal Service Experts in Saint Charles online or call 630-246-2698 to get started.