Heaters by Type
Heaters by BTU
Heaters by Wattage
BTU Required for Temperature Rise by Room Volume
| Total Cubic Feet | BTU for 10°F Rise | BTU for 20°F Rise | BTU for 30°F Rise | BTU/hr Needed to Maintain Heat* |
| 500 | 97 | 194 | 291 | 625–1,250–1,875 |
| 1,000 | 194 | 387 | 581 | 1,250–2,500–3,750 |
| 1,500 | 291 | 581 | 872 | 1,875–3,750–5,625 |
| 2,000 | 387 | 775 | 1,162 | 2,500–5,000–7,500 |
| 3,000 | 581 | 1,162 | 1,743 | 3,750–7,500–11,250 |
| 4,000 | 775 | 1,550 | 2,325 | 5,000–10,000–15,000 |
| 5,000 | 969 | 1,937 | 2,906 | 6,250–12,500–18,750 |
| 6,000 | 1,162 | 2,325 | 3,487 | 7,500–15,000–22,500 |
| 8,000 | 1,549 | 3,099 | 4,648 | 10,000–20,000–30,000 |
| 10,000 | 1,937 | 3,874 | 5,811 | 12,500–25,000–37,500 |
BTU Required for Temperature Rise by Room Volume
| Total Cubic Feet | Watts for 10°F Rise | Watts for 20°F Rise | Watts for 30°F Rise | Watts to Maintain (Low/Med/High) |
| 500 | 28 | 57 | 85 | 183 / 366 / 550 |
| 1,000 | 57 | 113 | 170 | 366 / 733 / 1,099 |
| 1,500 | 85 | 170 | 256 | 550 / 1,099 / 1,649 |
| 2,000 | 113 | 227 | 341 | 733 / 1,465 / 2,198 |
| 3,000 | 170 | 341 | 551 | 1,099 / 2,198 / 3,297 |
| 4,000 | 227 | 454 | 681 | 1,465 / 2,931 / 4,396 |
| 5,000 | 283 | 567 | 853 | 1,832 / 3,663 / 5,495 |
| 6,000 | 341 | 681 | 1,023 | 2,198 / 4,396 / 6,594 |
| 8,000 | 454 | 908 | 1,361 | 2,931 / 5,861 / 8,792 |
| 10,000 | 566 | 1,132 | 1,361 | 3,663 / 7,327 / 10,990 |
Shop By Brand
Mr. Heater Space Heaters
Starting in 1984, Enerco’s Mr. Heater Brand has delivered innovative technology and unmatched quality and service as America’s Most Popular Brand Of Heaters.
VisionAir Space Heaters
VisionAir heaters and fans are built to deliver reliable airflow and temperature control wherever you need it. From warming garages and shops to moving air efficiently, they offer practical comfort solutions for workspaces year-round.
DEWALT Space Heaters
DEWALT space heaters deliver powerful, jobsite-ready heat built to outwork the cold. With rugged construction, high-output performance, and dependable ignition, they keep work moving no matter how low the temperature drops.
Power Zone Space Heaters
Stay warm and comfortable with Power Zone space heaters—easy to use, energy-efficient, and designed to bring instant heat wherever you need it most. From drafty rooms to chilly garages, Power Zone provides dependable comfort backed by simple, user-friendly features.
SunFire Radiant Heaters
SunFire manufactures the highest-quality dual fuel diesel and kerosene portable heaters in America. Perfect for garages, workshops, auto shops, and construction sites, our odorless radiant heaters provide powerful heat (80,000 to 160,000 BTU) without the smell, fumes, or noise of traditional forced air heaters. Use diesel or kerosene—your choice for maximum fuel flexibility.