Response

Variables

Symbol coded

Range and levels

+1

+1

$Y_{eff}$ . Thermal Efficiency

$Y_{em}$ .CO Emission

Stove type

$X_1$

“Éclair-Taaru”1

“Éclair-Taaru”1

Fuel type

$X_2$

Wood Charcoal

Wood Charcoal

Fuel initial load

$X_3$

0.73 kg or 1.00 kg

0.73 kg or 1.00 kg

Fan

$X_4$

With Ventilation

With Ventilation