If your work involves maintenance, installation or repair of heating, ventilation and air conditioning, then you may know that the Environmental Protection Agency requires some types of HVAC construction workers to be certified, and that certain states even require a contractors license bond.

You can purchase your bond online or in person. The process is usually fast and easy, but if you have bad credit or other marks on your record, the process could become more complicated.

With that in mind, I wanted to offer you a quick summary of how license bonds work and share my tips on how to get the best deal.