The main difference is the difference of heat flow. Gas stove 4.2kw refers to the equipment with heat flow of 4.2kw, while gas stove 5.0kw refers to the equipment with heat flow of 5.0kw, and the firepower of 5.0kw gas stove will be stronger.

Heat flux refers to the heat transferred by the object in unit time when there is a temperature difference between the two sides of a given area. The heat flow through an object is directly proportional to the temperature difference at both ends, inversely proportional to the thickness, and related to the thermal conductivity of the material.

What should I consider when buying a gas stove?

1, check the heat load

Usually, when people say the size of a fire, it mainly refers to the heat load. Only when the heat load reaches 4.2kW can it be called a furnace. The reason why restaurants cook delicious food is that the stoves used are fierce, and many people's gas stoves can't meet the requirements and taste.

2. Look at energy saving

Home life needs careful planning. Gas stoves are very energy-saving and can save a lot of money over time. It is very appropriate to use the saved money to buy more and better ingredients to enrich the food "menu". The energy-saving quality of gas stoves mainly depends on their thermal efficiency.

Step 3 look at the materials

The main substrate of gas stove and the main substrate of product materials can not be ignored when buying gas stove. Top brand gas stove products generally use alloy materials, which are more beautiful and practical. How to choose a gas stove? When buying a gas stove, you may want to know more about the material of the product.