Suggested Retail:$45. Dyna-Glo Single Burner 15,000 BTU Radiant Tank Top Propane Portable Heater. The Dyna-Glo TT15000M Single Burner Tank Top Heater generates infrared radiant heat that warms people and objects rather than the air. It is a portable heating solution that is perfect for indoor (with proper ventilation) and outdoor construction use. Rated at 9,000 15,000-BTUs, the TT15000M heats up to a 15 foot radius for a period of 28 to 48-hours depending on the BTU level selected. The TT15000M does not require electricity and it is mounted directly to a standard 20-pound liquid propane (LP) tank (not included). 20-pound tank run time is 48-hours at 9K-BTUs, 33-hours at 13K BTUs and 28-hours at 15K-BTUs. . 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. PAID DELIVERY AND 7 DAY ALTERNATE PICK-UP ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.