Complementary Products Add even more culinary performance and protect your grill with Aspire by Hestan accessories. 20,000 BTUs The high-performance sealed side burner system delivers a 20,000 BTU flame. The double burner model includes a 10,000 BTU burner. Durable Style The robust gray vinyl cover features an embossed Aspire by Hestan logo and durable protective lining. Heavy-Duty Smoker Set The custom-built 304 heavy-gauge stainless steel smoker set optimizes draft and flow-through for maximum smoke.