Test result
Water boiling test (WBT)
Stove and fuel
Stove description
Bottom Air Fan Stove. A commercially-available forced draft stove providing only low-volume high pressure jets of primary air up from underneath the fuel.
Stove characteristics
Fan, Non-traditional
Fuel type
Wood
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 2.07 g/MJ-del
IWA high power PM 9.583 mg/MJ-del
IWA low power CO 0.023 g/min/L
IWA low power PM 0.127 mg/min/L
IWA efficiency  
Metric Value SD (σ) Cv
IWA high power thermal efficiency 42.139564%
IWA low power specific consumption 0.019 MJ/min/L
IWA indoor emissions  
Metric Value SD (σ) Cv
IWA CO 0.199 g/min
IWA PM 0.975 mg/min
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Specific energy consumption 10500.0 kJ/task
Fuel consumed 609.0 g/task
Hot start thermal efficiency 41.9%
Cold start thermal efficiency 42.4%
Output
Metric Value SD (σ) Cv
Cold start firepower 4093.0 W
Hot start firepower 4003.0 W
Simmer firepower 2059.0 W
Mean time to boil 19.5 min
Emissions
Metric Value SD (σ) Cv
CO emissions factor (2) 21.41676843 g/kg fuel
CO emissions rate 0.19922465 g/min