Kuma Alpine LE-1
12-Month, 0% Financing Available*
- FUEL
- WOOD
- SIZE
- M
- HEATED SQ. FT.
- 1800
The Kuma Alpine LE-1 inserts into small masonry fireplaces to create a highly efficient, low-emission heating solution. With EPA 2020 certification and efficiency ratings as high as ~78% (HHV), it delivers strong heat output (63,000 BTU nominal cordwood, ~1,200-1,800 ft² coverage), long burn times (up to ~9 hours), and clean-burning performance. Built with options like outside-air compatibility, blower support, and multiple door styles, it combines craftsmanship and utility, making it a smart upgrade for those seeking warmth, savings, and style.
product specifications:
- FUEL:
- WOOD
- SIZE:
- M
- HEATED SQ. FT.:
- 1800
- Wood Length:
- 16"
- Firebox Size:
- 1.8 ft3
- Burn Time:
- 9 hours
- Cordwood BTU's:
- 63,000 (29,153 EPA est.)
- Efficiency (HHV):
- 78%
- Efficiency (LHV):
- 84%
- Particulate Emissions:
- 1.08 g/hr
- Heating Capacity:
- 1200 - 1800 ft2
- Flue Size:
- 6"
- Width:
- 25-1/8"
- Height:
- 19-3/4"
- Depth:
- 21"
- Weight:
- 370 lbs
frequently asked questions
Kuma rates the Alpine LE-1 insert at a heating capacity of 1,200 to 1,800 square feet, with 63,000 cordwood BTUs (29,153 EPA estimated), a 1.8 cubic foot firebox, and a 78% HHV efficiency rating.
The Alpine LE-1 is for use in masonry fireplaces and Kuma lists minimum fireplace dimensions of 20.5 inches high, 26 inches wide, and 14 inches deep. Always confirm fit and installation per the owner's manual.
Per the owner's manual, approximate burn times are 7 to 9 hours on a low burn, 4 to 6 hours on a medium burn, and 2 to 3 hours on a high burn.
Per the owner's manual, the Alpine LE-1 meets the 2020 U.S. EPA crib wood emission limits, with particulate emissions of 1.08 grams per hour and average CO emissions of 0.45 grams per minute.
Yes. Kuma offers a 71 CFM variable speed, thermostat controlled blower option for the Alpine LE-1, and the insert is also outside air ready.
Per the owner's manual, Kuma supplies parts for maintenance items (bricks, gasket, ceramic insulation, and paint) for the first three years, and will repair or replace a firebox with a defect in material or workmanship for as long as you own the stove. The catalyst carries a 6-year structural warranty and a 12-year performance warranty.
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