What is a local appliance?

A local appliance is a fuel appliance designed to produce heat, which it transmits to the space where it is located. Local appliances for solid fuels are stoves, stoves, fireplaces. Appliances rated up to 10 kW are considered to be local appliances. 

The location of gas appliances can not be accidental. It divides the appliances that take the combustion air from the space in which they are located, and the flue gases are fed into the same room, and the appliances that take the air out of the room and the flue gases are fed to the outside by the chimney, the appliances with no special requirements space and ventilation or air supply.