Sized for 108 to 161 square feet, this 2kW diesel heater uses a sandblasting aluminum heat exchanger to warm a car, boat, or RV interior within about 10 minutes. Control it from up to 98 feet away through the Bluetooth app, or use the included 32-foot remote and LCD screen, adjusting temperature anywhere from 46 to 96.8 degrees Fahrenheit. Automatic altitude compensation keeps performance steady up to 18,045 feet, adjusting on its own instead of needing manual tweaks in the mountains. A precision low-noise fuel pump keeps consumption to 0.12 to 0.26 liters per hour, under a gallon per night, and the 10-liter, 2.6-gallon tank delivers up to 38 hours of heat before it needs a refill. At 11 pounds and a compact 13.4 by 4.5 by 5.5-inch footprint, it mounts easily in cars, trucks, RVs, and boats for cold-weather trips.