You will want to ensure you have their housing setup before your chicks arrive or you bring them home.
I have each section broken down so you can jump around to where you need the information most.
Remember, this is just a guide of how I have done things for over a decade with our own chicks. I am not a vet and this is not a steadfast rule. Read my sections and use them as a starting point and you create a brooder that works best for your and your new baby chicks.