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 ready for the worst – and cozy all season – with a Lennox® COWB3 boiler. This standard-efficiency heating system features a Beckett® oil burner, the product that raised the bar for fuel-efficient heating. The COWB3 includes a domestic hot water coil that also increases energy efficiency. Winter temperatures are one thing, but it’s the wind that really chills our bones. 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 boiler even better is its easy integration with conventional radiator systems. When you buy a COWB3 boiler through your Pardee Service Experts Heating & Air Conditioning in Charleston, you’ll get reliability, durability and expert furnace installation service. Ready to see what a a COWB3 boiler can do for you? This product is available in three models so you can select the best fit for your home. Schedule your free appointment with Pardee Service Experts in Charleston online or call 843-410-6103 to get started.