Machines that roast green coffee in the desired color, aroma and flavor are called coffee roasting machines.Coffee roasting machinesare divided into different groups according to:1- Heat transfer method, 2- Heating system, 3- Heat source, 4- Usage method

Coffee roasters according to heat transfer method

According to the heat transfer method, coffee roasting machines are divided into 3 groups:1- Boiler machines 2- Air bed machines 3- Belt conveyor machines

Coffee roasters by heating system

There are 2 types of coffee roasters according to the heating system:1- Direct heat transfer machines 2- Hot air circulation machines

Coffee roasters by heat source

In terms of heat source, there are 4 types of coffee roasters:1- Machines heated by electricity 2- Machines heated by gas 3- Machines heated by liquid petroleum products 4- Machines heated by wood

Coffee roasters according to use

Coffee roasters are divided into 3 groups according to the way they are used:1- Manual machines 2- Machines used with roasting profile system 3- Fully automatic machines