Test result
Water boiling test (WBT)
Stove and fuel
Stove description
Mass-produced ethanol stove tested using denatured alcohol. Results were updated when improved pot support rings resulted in cleaner emissions
Stove characteristics
Non-traditional
Fuel type
Ethanol/alcohol
Fuel moisture content
not available
Fuel net calorific value
not available
Test information
Test details
WBT-3.0, 5 Liters Boiled
Testing organization
Reporting type
Not available
Country
United States
Year performed
2010
Test environment
Lab
Altitude
not available
Number of replicate tests
3
Test result IWA tiers of performance
Show subtiers
unrated
Emissions
unrated
Efficiency
unrated
Indoor emissions
unrated
Safety
Performance metrics
IWA emissions  
Metric Value SD (σ) Cv
IWA high power CO 1.012 g/MJ-del
IWA high power PM 0.658 mg/MJ-del
IWA low power CO 0.013 g/min/L
IWA low power PM 0.013 mg/min/L
IWA efficiency  
Metric Value SD (σ) Cv
IWA high power thermal efficiency 66.1758712%
IWA indoor emissions  
Metric Value SD (σ) Cv
IWA CO 0.069 g/min
IWA PM 0.054 mg/min
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Specific energy consumption 6800.0 kJ/task
Fuel consumed 317.0 g/task
Hot start thermal efficiency 66.2%
Cold start thermal efficiency 66.2%
Output
Metric Value SD (σ) Cv
Cold start firepower 1544.0 W
Hot start firepower 1544.0 W
Simmer firepower 1100.0 W
Mean time to boil 31.6 min
Emissions
Metric Value SD (σ) Cv
CO emissions factor (2) 16.40661961 g/kg fuel
CO emissions rate 0.068866902 g/min