United States Stove Co. 2500 Sq. Ft. Coal Only Warm Air Furnace - 1768970218207_599
The US Stove Hot Blast 1500 add on furnace is designed to use in conjunction with your existing HVAC ductwork and work seamlessly with your existing furnace. With twin 500 CFM blowers and up to 139,000 BTUs, it is designed to heat a home up to 2,500 Sq. Ft. This coal only unit is made with a firebrick lined plate steel firebox surrounded by black painted steel giving the unit an eye appealing look. Connection to your existing ductwork is easy with the two 8 inch diameter heat outlets. Available accessories include the universal filter box kit (UFB908) and the barometric damper regulator (DR-6). The optional draft inducer kit (model 11DIKL) can be installed to allow the furnace to be thermostatically controlled and gives the option to change the on/off times of the distribution blower(s).
Product ships on a pallet, via an LTL carrier. Shipping costs subject to change once address is confirmed.
Features
- Heats up to 2,500 sq ft
- Up to 139,000 BTUs
- Connects to HVAC System
- Dual CFM 500 Blowers
What our Experts Think
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High‑Capacity Home Heating
Engineered to heat up to 2,500 sq. ft., making it a strong choice for whole‑house or large‑space warmth with consistent, reliable output.
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Coal‑Only Efficiency
Designed specifically for coal combustion—optimizes burn characteristics for longer heat and steady performance.
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Warm‑Air Delivery System
Integrated blower moves heat quickly and evenly through ductwork, improving comfort and distribution versus room‑only stoves.
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Rugged, Long‑Lasting Build
Heavy‑duty steel construction and robust firebox materials stand up to frequent use and high temperatures.
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User‑Focused Operation
Large firebox and accessible ash management simplify loading and routine maintenance for busy households.
Q&A
Q: What area can this furnace heat?
A: It heats up to 2,500 sq. ft., making it ideal for large homes, workshops, or cabins.
Q: What type of fuel does it use?
A: This furnace is designed for coal only, providing efficient, long-lasting heat.
Q: Is it suitable for residential use?
A: Yes, it is designed for safe home installation with proper venting.
Q: What makes it efficient?
A: Features a high-efficiency firebox, warm-air circulation system, and durable steel construction.
Q: How durable is this furnace?
A: Built from heavy-duty steel, it is designed for long-term reliability and consistent heat output.
Q: Why choose US Stove Co.?
A: US Stove Co. is a trusted American brand known for dependable, high-quality coal and wood heating appliances.
Maintenance Tips
• Clean Ash Daily: Remove cool ashes from the firepot and ash pan to maintain airflow and heat output
• Inspect Firepot & Grates: Check for buildup, warping, or clinker formation; clean or replace as needed
• Check Air Inlets & Controls: Ensure air doors and dampers function smoothly for efficient combustion
• Annual Chimney & Flue Cleaning: Sweep the chimney and venting system each season to prevent creosote/soot buildup
• Verify Seals & Gaskets: Inspect door and access panel gasketing; replace if worn to maintain proper draft
• Use Proper Fuel: Burn high‑quality, sized coal for consistent heat and reduced maintenance
• Check Blower & Filters: Clean blower housing and replace filters regularly for optimal heat distribution
