Test result: Zoom Dura
Water boiling test (WBT)
Stove and fuel
Stove
Stove characteristics
Pot skirt, Ceramic-lined, Side-feed, Rocket, Portable, Household, Non-traditional
Fuel type
Wood
Fuel description
Douglas-fir
Fuel moisture content
not available
Fuel net calorific value
not available
Test information
Test details
WBT 4.1
Testing organization
Reporting type
Third party
Country
United States
Year performed
2012
Test environment
Lab
Altitude
not available
Number of replicate tests
not available
Source information
Citation
Results of WBT 4.1 Testing of the EcoZoom Dura Stove
Source data
Test result IWA tiers of performance
Show subtiers
unrated
Emissions
unrated
Efficiency
unrated
Indoor emissions
unrated
Safety
Performance metrics
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Simmer thermal efficiency 44.0% 9.7 0.22
Specific fuel consumption cold start 59.8 g/L 3.1 0.05
Specific fuel consumption hot start 56.69 g/L 3.4 0.06
Temp-corrected specific consumption cold start 58.0 g/L 2.7 0.05
Temp-corrected specific energy cons cold start 1120.0 kJ/L 52.0 0.05
Temp-corrected specific energy cons hot start 1060.0 kJ/L 113.0 0.11
Burning rate cold start 11.0 g/min 1.2 0.11
Burning rate hot start 10.87 g/min 0.0 0.0
Burning rate simmer 4.96 g/min 0.4 0.08
Specific fuel consumption simmer 52.8 g/L 3.4 0.06
Temp-corrected specific energy cons simmer 1019.0 kJ/L 65.0 0.06
Output
Metric Value SD (σ) Cv
Cold start firepower 3528.0 W 387.0 0.11
Hot start firepower 3499.0 W 1.0 0.0
Simmer firepower 1597.0 W 121.0 0.08
Time to boil cold start 26.0 min 1.5 0.06
Time to boil hot start 25.0 min 1.4 0.06
Temp-corrected time to boil cold start 25.5 min 1.8 0.07
Temp-corrected time to boil hot start 24.2 min 2.5 0.1
Turn down ratio 2.2 0.05 0.02