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
Wood, dry, reduced fuel feed
Fuel moisture content
not available
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
2
Emissions
3
Efficiency
1
Indoor emissions
unrated
Safety
Performance metrics
IWA emissions  
Metric Value SD (σ) Cv
IWA high power CO 4.33 g/MJ-del 0.55 0.13
IWA high power PM 350.5 mg/MJ-del 65.0 0.19
IWA low power CO 0.052 g/min/L
IWA low power PM 2.947 mg/min/L
IWA efficiency  
Metric Value SD (σ) Cv
IWA high power thermal efficiency 36.1% 1.15 0.03
IWA low power specific consumption 0.028 MJ/min/L
IWA indoor emissions  
Metric Value SD (σ) Cv
IWA CO 0.285 g/min
IWA PM 19.908 mg/min
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Fuel consumed 115.0 g/task
Hot start thermal efficiency 35.0% 1.7 0.05
Cold start thermal efficiency 37.1% 0.6 0.02
Output
Metric Value SD (σ) Cv
Cold start firepower 2813.0 W 200.0 0.07
Hot start firepower 3787.0 W 337.0 0.09
Simmer firepower 1980.0 W 149.0 0.08
Mean time to boil 29.9 min 2.6 0.09
Emissions
Metric Value SD (σ) Cv
CH4 emissions factor (2) 1.76325 g/kg fuel
CO emissions factor (2) 33.085 g/kg fuel
PM2.5 emissions factor (2) 2.2075 g/kg fuel
CO emissions rate 0.285 g/min
PM2.5 emissions rate 19.70848833 mg/min