Test result: Philips HD4008
Water boiling test (WBT)
Stove and fuel
Stove characteristics
Gasifier (TLUD), Non-traditional
Fuel type
Wood
Fuel description
Red Oak (Quercus rubra), wet
Fuel moisture content
0.226%
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 10.055 g/MJ-del 1.65 0.16
IWA high power PM 485.0 mg/MJ-del 55.0 0.11
IWA low power CO 0.076 g/min/L
IWA low power PM 2.607 mg/min/L
IWA efficiency  
Metric Value SD (σ) Cv
IWA high power thermal efficiency 33.5% 1.7 0.05
IWA low power specific consumption 0.026 MJ/min/L
IWA indoor emissions  
Metric Value SD (σ) Cv
IWA CO 0.675 g/min
IWA PM 29.975 mg/min
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Fuel consumed 113.0 g/task
Hot start thermal efficiency 33.8% 2.0 0.06
Cold start thermal efficiency 33.1% 1.4 0.04
Output
Metric Value SD (σ) Cv
Cold start firepower 4699.0 W 468.0 0.1
Hot start firepower 4945.0 W 202.0 0.04
Simmer firepower 1884.0 W 158.0 0.08
Mean time to boil 20.3 min 1.9 0.09
Emissions
Metric Value SD (σ) Cv
CH4 emissions factor (2) 2.56175 g/kg fuel
CO emissions factor (2) 59.7 g/kg fuel
PM2.5 emissions factor (2) 2.4525 g/kg fuel
CO emissions rate 0.675 g/min
PM2.5 emissions rate 27.80937606 mg/min