We have very comprehensive range of stoves from Single Burner to Four Burners. We are having different models in each category ie we have about 5 models in Four Burner Stove, 4 models in Three Burner Stove, 5 models in Double Burner Stove & 3 models in Single Burner Stove. We have stoves with Glass Lid, S.S.Lid & Powder Coated Lid also.Our Gas stoves are having maximum thermal efficiency ie from 68% to 70%. In general it is around 66%.