SF3500Coal Furnaces by Legacy Stoves™ Share Manufacturer: Alternate Heating Systems Brand: Legacy Stoves™ Collection: Coal Furnaces Model: SF3500 Year: 2025 Add to Quote Check Availability Ask a Question Trade-In Value Request Financing Very professional, on time,answered all my questions..I would recommend to friends🙂 … Cathy Brucks Nice store, very informative staff, had great answers to are questions, a great stop for pellet or gas fireplaces.. Scott Guzman Great selection of wood burning, pellet and gas stoves and fireplace inserts. Very friendly and knowledgeable staff. Bruce Soper I would highly recommend Abundant Life to anyone looking for a stove or spa! There sales staff is extremely outgoing and helpful and their service department is excellent. 👍👍👍 … Melissa Anderson Nice quick install. Bought an absolute 43. Will never buy anything but a harmon again. No junk box store pellet stoves for me again Erich Kikel Ryan was a pleasure to work with. It was my first time. He knew exactly what I needed and made the whole process so easy! Dale Emily Frazier DescriptionThe SF3500 is a hot-air furnace built to maintain clean, consistent temperatures throughout your entire home. An advanced filtering system and automatic blowers help ensure warmth and comfort all year round. • 170,000 BTUs — heats 2,400 to 4,200+ square feet, based on climate and home efficiency • Legacy Stoves Grate System extends heating by completely burning fuel to fine ash • Spiral chamber ensures consistent heat levels • 27″ maximum log length (Wood for fire startup only!*) / pea, nut or stove-sized coal *Pricing is subject to additional fees and shipping charges* *Filter Box/Distribution blower sold separately Manufacturer InfoModel Specifications:BTU/Hour Input170,000Heating Capacity2,400 - 4,200 sq. ft.FuelCoalFirebox Length27Flue Size7"Blower Size1,450 cfmWeight800Domestic Hot Water CoilOptionalAutomatic DraftStandardNumber of Grates6Firebox SizeD=27 x W=20.5 x H=22Firebox ReducerOptionalPlenum Size20 x 20Filter Size14 x 20 x 1Width52.5"Height52.5"Depth36.25"Depth with Filter Box53.75"Height Top of Flue Collar45.5" FeaturesVariable Air BlowerRiddling GrateMade in USA Downloads Specifications Hearth Type: Furnaces Vent Type: Direct Vent Total Heat Output: 170000 BTU Ignition Type: Manual (Match Lit) Heating Capacity: 4200 sq. ft. Size: 28.00" x 52.50" x 52.50" Share Manufacturer: Alternate Heating Systems Brand: Legacy Stoves™ Collection: Coal Furnaces Model: SF3500 Year: 2025 Add to Quote Check Availability Ask a Question Trade-In Value Request Financing Very professional, on time,answered all my questions..I would recommend to friends🙂 … Cathy Brucks Nice store, very informative staff, had great answers to are questions, a great stop for pellet or gas fireplaces.. Scott Guzman Great selection of wood burning, pellet and gas stoves and fireplace inserts. Very friendly and knowledgeable staff. Bruce Soper I would highly recommend Abundant Life to anyone looking for a stove or spa! There sales staff is extremely outgoing and helpful and their service department is excellent. 👍👍👍 … Melissa Anderson Nice quick install. Bought an absolute 43. Will never buy anything but a harmon again. No junk box store pellet stoves for me again Erich Kikel Ryan was a pleasure to work with. It was my first time. He knew exactly what I needed and made the whole process so easy! Dale Emily Frazier Coal Furnaces A Collection By Legacy Stoves™ See All SF1500 Coal Furnace Starting MSRP Learn More Add to Quote SF2500 Coal Furnace Starting MSRP Learn More Add to Quote VF2500 Coal Furnace Starting MSRP Learn More Add to Quote VF2500 Plus Coal Furnace Starting MSRP Learn More Add to Quote Hearth Appliances We Carry See All GF 160 DV IPI Gas Stove Starting MSRP Learn More Add to Quote Gifford Wood-Burning Insert Starting MSRP Learn More Add to Quote Waitsfield DX Gas Stove Starting MSRP Learn More Add to Quote Nexgen-Fyre™ Large Flush Wood Arched Fireplace Insert Starting MSRP Learn More Add to Quote Norington (NOR) Mantel Starting MSRP Learn More Add to Quote VF2500 Coal Furnace Starting MSRP Learn More Add to Quote F 500 V3 Oslo Wood Stove Starting MSRP Learn More Add to Quote Manchester Wood Stove Starting MSRP Learn More Add to Quote 6015 High Output Linear Deluxe Gas Fireplace Starting MSRP Learn More Add to Quote 71 GreenSmart™ Electric Fireplace Starting MSRP Learn More Add to Quote Grand Birch Gas Log Set Starting MSRP Learn More Add to Quote Evergreen NexGen-Hybrid™ Wood Insert Starting MSRP Learn More Add to Quote Quick Search Hearth Appliances (334)Patio Furniture (71)Hot Tubs & Swim Spas (29)Fire Pits & Patio Heaters (24)Grills & Outdoor Kitchens (11) All Hearth TypesFireplaces (133)Stoves (87)Fireplace Inserts (63)Log Sets & Fireplace Media (30)Fireplace Mantels (11)Furnaces (5)Outdoor Fireplaces (5) All Fuel TypesNatural Gas (177)Propane (170)Wood (71)Electric (34)Pellet (20) All FeaturesMade in USA (296)Remote Control (202)Variable Air Blower (156)Gas Conversion (51)Color Changing (47)Multi-Sided (28)Zero Clearance (26)Riddling Grate (12)Air Wash (3) All Features Go While every reasonable effort is made to ensure accuracy, due to continuous product improvement, standard features, options, pricing, and specifications may change at any time without notice. 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