Prime Square Fuelwood Regular
Manufacturer
Website
PRODUCT FEATURES: Prime cookstoves can be fueled by a variety of biomass TECHNICAL PRINCIPLES: Top-lit updraft (TLUD) biomass stove that uses preheating, counter-flow and co-firing burning mechanism FUELS: Firewood, branches, cornobs, coconut husk COUNTRY OF ORIGIN: Indonesia
IWA tiers of performance
Information for consumers
Maximum pot capacity
50 L
Approximate lifetime
5 years
People fed per meal
4-6
Pot type accommodated
(Flat bottom/Round bottom)
(Flat bottom/Round bottom)
Both
Countries deployed
Bangladesh, Cambodia, Denmark, Ethiopia, Germany, Ghana, Indonesia, Kenya, Malaysia, Nepal, Nigeria, Norway, Philippines, Senegal, Sri Lanka, Sweden, Timor-Leste, United States, Viet Nam, Zambia
Common foods cooked
Wok, stew, fried foods
Manufacturer's warranty available?
Yes
Warranty details
1 year warranty
General information
Manufactured in
Indonesia
Suggested retail price
USD 25-45
Availability
On the market
Dimensions (l/w/h)
280/280/360 mm
Weight
3.5 kg
Shipping dimensions
300/300/380 mm
Shipping weight
3.9 kg
Local assembly possible?
No
Includes instructions?
No
Other information
not available
Characteristics
Portable, Batch loaded, Gasifier (TLUD), Non-traditional, Household
Fuels
Briquettes, Wood
Materials
Metal
Performance details
IWA emissions
| Metric | Min value | Max value | Number of tests |
|---|---|---|---|
| IWA high power CO | 4.1 g/MJ-del | 4.1 g/MJ-del | 1 |
| IWA high power PM | 211.0 mg/MJ-del | 211.0 mg/MJ-del | 1 |
| IWA low power CO | 0.033 g/min/L | 0.033 g/min/L | 1 |
| IWA low power PM | 1.82 mg/min/L | 1.82 mg/min/L | 1 |
IWA efficiency
| Metric | Min value | Max value | Number of tests |
|---|---|---|---|
| IWA high power thermal efficiency | 34.1 % | 34.1 % | 1 |
| IWA low power specific consumption | 0.031 MJ/min/L | 0.031 MJ/min/L | 1 |
IWA indoor emissions
| Metric | Min value | Max value | Number of tests |
|---|---|---|---|
| IWA high power indoor CO | 0.239 g/min | 0.239 g/min | 1 |
| IWA high power indoor PM | 13.3 mg/min | 13.3 mg/min | 1 |
Output
| Metric | Min value | Max value | Number of tests |
|---|---|---|---|
| Cold start firepower | 2814.0 W | 2814.0 W | 1 |
| Time to boil cold start | 38.0 min | 38.0 min | 1 |
| Turn down ratio | 1.5 | 1.5 | 1 |
Emissions
| Metric | Min value | Max value | Number of tests |
|---|---|---|---|
| PM2.5 emissions factor (2) | 0.668 g/kg fuel | 0.668 g/kg fuel | 1 |
| CO emissions factor (2) | 12.49 g/kg fuel | 12.49 g/kg fuel | 1 |