You can specify your machines type for example, washer, dryer, stacked dryer or use any name you would like. It's not required but its nice for identifying your different machines. To specify a machine type, follow the steps below. 

Step 1. Click the machines link in the side nav, then click on the machine you want to edit. 

Step 2. Click the machine type drop-down

Step 3. If you see your machine type, select it from the drop-down menu and that's it, you're done. The machine will automatically update. If you do not see the machine type you want, click '+ Add machine type' from the drop-down menu. 

Step 4. Enter the machine type you would like in the popup field, for example, Stacked Washer Dryer, then click the button 'Add new type'

Step 5. You will now see the new machine type in the drop-down. Select it and your machine will automatically update.