{"product_id":"mr-heater-big-buddy-pro-18-000-btu-portable-propane-heater-dual-radiant-convection-with-fan","title":"Mr. Heater Big Buddy PRO 18,000 BTU Portable Propane Heater — Dual Radiant \u0026 Convection with Fan","description":"\u003cstrong\u003eThe Mr. Heater 18,000 BTU Big Buddy PRO Series is a portable propane heater that delivers up to 18,000 BTU of combined radiant and convection warmth for indoor and outdoor use.\u003c\/strong\u003e\n\n\u003cp\u003eBuilt for campers, ice anglers, garage projects and chilly porches, the Big Buddy PRO blends powerful heat output with safety features and convenient setup. Its dual heating system combines radiant warmth with convection airflow so a small space heats quickly and stays comfortable. The unit accepts two 1 lb. cylinders or can be adapted to a 20 lb. tank with optional accessories, and the built-in fan improves heat distribution when you need it.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Big Buddy PRO keep a space warm efficiently?\u003c\/h3\u003e\n\u003cp\u003eThe heater offers three flame settings—Low, Medium, and High—so you can control output from 4,000 to 18,000 BTU depending on the situation. Its radiant element warms surfaces and people directly, while convection moves warmer air across the area for more even comfort.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThree heat settings: 4,000 \/ 9,000 \/ 18,000 BTU for precise control\u003c\/li\u003e\n  \u003cli\u003eDual heating: radiant plus convection for direct and ambient warmth\u003c\/li\u003e\n  \u003cli\u003eBuilt-in high-powered fan enhances circulation on demand\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat power sources and run-times can I expect?\u003c\/h3\u003e\n\u003cp\u003eThe Big Buddy PRO ships to work with two 1 lb. propane cylinders screwed on with swivel regulators for fast setup. For longer sessions, use the optional hose and connect to a 20 lb. tank; at low setting the heater offers exceptional fuel economy.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAccepts two 1 lb. cylinders for portable operation\u003c\/li\u003e\n  \u003cli\u003eCompatible with 20 lb. tanks using optional hose and adapter accessories\u003c\/li\u003e\n  \u003cli\u003eUp to 216 hours runtime on two 20 lb. tanks at low setting (with optional hose)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety features are included for indoor or semi-enclosed spaces?\u003c\/h3\u003e\n\u003cp\u003eSafety is built into the design with a Life Safety System that monitors oxygen levels and unit orientation. Multiple automatic shutoffs reduce risk if oxygen drops, the unit overheats, or it gets tipped over.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOxygen depletion sensor (ODS) monitors air safety\u003c\/li\u003e\n  \u003cli\u003eThermal shut-down prevents overheating\u003c\/li\u003e\n  \u003cli\u003eTip-over switch cuts fuel if the heater is knocked down\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is setup, transport and maintenance?\u003c\/h3\u003e\n\u003cp\u003eSwivel regulators allow quick attachment of propane cylinders while the integrated handle and compact footprint make it simple to move and store. Routine care is minimal — keep vents clear and follow manufacturer guidance for authorized accessories.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSwivel regulators for fast cylinder changes and secure connection\u003c\/li\u003e\n  \u003cli\u003eCompact, portable design with carrying handle for transport\u003c\/li\u003e\n  \u003cli\u003eSimple upkeep: clear grilles and use only authorized accessories to preserve warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Mr. Heater 18,000 BTU Big Buddy PRO is ideal for people who need dependable, portable heat for small to medium spaces — campers, ice-fishing shelters, workshops, backyard gatherings and emergency preparedness kits. It suits users who want multiple heat settings, long-run options with larger tanks, and built-in safety systems for occasional indoor or covered-space use. Follow all local ventilation and safety guidelines when operating in semi-enclosed areas.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use the Big Buddy PRO indoors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes in well-ventilated, code-compliant indoor or semi-enclosed spaces, following all safety and ventilation guidelines; do not use in fully enclosed unventilated rooms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long will it run on a 20 lb tank?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: On low setting, the Big Buddy PRO can run up to about 216 hours using two 20 lb tanks with the optional hose and adapter.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Mr. Heater","offers":[{"title":"Default Title","offer_id":56801324794196,"sku":"B0002WRHE8","price":237.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/mr-heater-big-buddy-pro-front-view.jpg?v=1786740154","url":"https:\/\/gardenluxe.co.uk\/products\/mr-heater-big-buddy-pro-18-000-btu-portable-propane-heater-dual-radiant-convection-with-fan","provider":"Gardenluxe Uk","version":"1.0","type":"link"}