Test result: StoveTec GreenFire
Water boiling test (WBT)
Stove and fuel
Stove characteristics
Ceramic-lined, Pot skirt, Rocket, Non-traditional
Fuel type
Wood
Fuel description
Red Oak (Quercus rubra), wet
Fuel moisture content
0.2187%
Fuel net calorific value
17.7 MJ/kg
Test information
Test details
WBT 4.1.2, 5 Liters of water
Testing organization
Reporting type
Third party
Country
United States
Year performed
2012
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 6.32 g/MJ-del 0.95 0.15
IWA high power PM 399.5 mg/MJ-del 40.0 0.1
IWA low power CO 0.052 g/min/L
IWA low power PM 5.567 mg/min/L
IWA efficiency  
Metric Value SD (σ) Cv
IWA high power thermal efficiency 35.4% 1.75 0.05
IWA low power specific consumption 0.03 MJ/min/L
IWA indoor emissions  
Metric Value SD (σ) Cv
IWA CO 0.344 g/min
IWA PM 27.833 mg/min
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Fuel consumed 128.0 g/task
Hot start thermal efficiency 35.5% 1.3 0.04
Cold start thermal efficiency 35.3% 2.2 0.06
Output
Metric Value SD (σ) Cv
Cold start firepower 2798.0 W 84.0 0.03
Hot start firepower 3566.0 W 301.0 0.08
Simmer firepower 2100.0 W 119.0 0.06
Mean time to boil 34.7 min 3.5 0.1
Emissions
Metric Value SD (σ) Cv
CH4 emissions factor (2) 2.4375 g/kg fuel
CO emissions factor (2) 38.1675 g/kg fuel
PM2.5 emissions factor (2) 3.25 g/kg fuel
CO emissions rate 0.344 g/min
PM2.5 emissions rate 29.02688536 mg/min