{"product_id":"osburn-everest-iii-wood-fireplace-ob04017","title":"Osburn Everest III Wood Fireplace OB04017","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe Osburn Everest III (OB04017) is a large, high-efficiency, built-in wood fireplace for homeowners who want the atmosphere of a real wood fire with meaningful supplemental heat. Its double cast-iron framed glass doors offer a traditional look, while the non-catalytic combustion system and stainless-steel secondary-air design support clean, efficient operation. An optional firescreen allows the doors to be opened in installations that follow the manufacturer's instructions.\u003c\/p\u003e\u003cp\u003eThe Everest III has a 3.04-cu.-ft. firebox and a recommended heating area of 750–2,500 sq. ft. A 176-CFM blower is included. Finishing choices, approved chimney components and optional outside-air or heat-distribution equipment must be selected for the exact installation.\u003c\/p\u003e\u003ch3\u003eHeating Performance \u0026amp; Efficiency\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eManufacturer figure\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel\u003c\/td\u003e\n\u003ctd\u003eDry cordwood (16-inch recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended heating area\u003c\/td\u003e\n\u003ctd\u003e750–2,500 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum heat output\u003c\/td\u003e\n\u003ctd\u003e85,000 BTU\/h, not sustained output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTested heat output range\u003c\/td\u003e\n\u003ctd\u003e25,900–78,200 BTU\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall firebox volume\u003c\/td\u003e\n\u003ctd\u003e3.04 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEPA loading volume\u003c\/td\u003e\n\u003ctd\u003e2.61 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum rated burn time\u003c\/td\u003e\n\u003ctd\u003e8 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum log length\u003c\/td\u003e\n\u003ctd\u003e20 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAverage efficiency (HHV)\u003c\/td\u003e\n\u003ctd\u003e65%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptimum efficiency\u003c\/td\u003e\n\u003ctd\u003e71.6%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParticulate emissions\u003c\/td\u003e\n\u003ctd\u003e1.9 g\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDimensions \u0026amp; Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eManufacturer figure\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall H × W × D\u003c\/td\u003e\n\u003ctd\u003e49 1\/8 × 41 7\/8 × 29 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping weight\u003c\/td\u003e\n\u003ctd\u003e555 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum log length\u003c\/td\u003e\n\u003ctd\u003e20 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlass viewing dimensions\u003c\/td\u003e\n\u003ctd\u003e18 3\/4 × 11 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChimney \/ flue diameter\u003c\/td\u003e\n\u003ctd\u003e6 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded blower\u003c\/td\u003e\n\u003ctd\u003e176 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChimney listing\u003c\/td\u003e\n\u003ctd\u003eCAN\/ULC S629 or UL 103 HT (2100°F), per approved chimney list\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eInstallation, Clearances \u0026amp; Safety\u003c\/h3\u003e\u003cp\u003ePublished U.S. clearances include 80 inches overhead, 21 inches to a combustible side wall and 8 inches to a combustible side mantel; the shelf-to-fireplace-base minimum is 48 inches. These are selected manufacturer-published figures, not a complete installation plan. Check the \u003ca href=\"https:\/\/files.osburn-mfg.com\/upload\/documents\/manuels\/46401ia_2024-11-25.pdf\"\u003eEverest III installation manual\u003c\/a\u003e and appliance certification label for framing, hearth protection, additional clearances, listed chimney parts and termination details. The manufacturer's mobile-home allowance is Canada-only and is not an authorization for U.S. installations.\u003c\/p\u003e\u003ch3\u003eRequired \u0026amp; Optional Accessories\u003c\/h3\u003e\u003cp\u003ePossible approved options include a firescreen (AC01226), outside-air intake and blower distribution accessories. Confirm required finish\/door configurations and exact accessory variants against the current Osburn manual and the authoritative Osburn accessory-family matrix. Components and chimney routing are not included in the base product unless expressly listed.\u003c\/p\u003e\u003ch3\u003eManufacturer Documents \u0026amp; Warranty\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.osburn-mfg.com\/en\/products\/wood-fireplaces\/everest-iii-wood-fireplace\/\"\u003eOfficial Everest III product and specification page\u003c\/a\u003e · \u003ca href=\"https:\/\/files.osburn-mfg.com\/upload\/documents\/manuels\/46401ia_2024-11-25.pdf\"\u003eInstallation manual\u003c\/a\u003e. Osburn lists a limited lifetime warranty; individual component, labor, exclusion and claim terms are governed by its current warranty document and proof-of-purchase requirements.\u003c\/p\u003e","brand":"Osburn Fireplaces","offers":[{"title":"Default Title","offer_id":50744218943650,"sku":"OB04017","price":5399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/5846\/8770\/files\/osburn-sbi-ob04017-manufacturer-original.jpg?v=1793127710","url":"https:\/\/unitedfireplaces.com\/products\/osburn-everest-iii-wood-fireplace-ob04017","provider":"United Fireplaces","version":"1.0","type":"link"}