The COWB3 Boiler: Efficient Performance for Years You never know just how harsh the winter will be, so why risk your home’s warmth? Be prepared for the worst – and cozy all season – with a Lennox® COWB3 boiler. This standard-efficiency heating system uses 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 takes winter cold to the next level. That’s on reason why we love the COWB3 system’s sealed-combustion construction. Plus, your heating is both quiet and draft-free. What makes this product even better is its effortless integration with conventional radiator systems. When you select a COWB3 boiler through your Becht / Givens Service Experts Heating & Air Conditioning in Louisville, you’ll get reliability, durability and expert furnace installation service. Ready to see what a a COWB3 boiler can do for you? This boiler is available in three models so you can pick the best fit for your home. Schedule your free appointment with Becht / Givens Service Experts in Louisville online or call 502-785-8230 to get started.