There are training and certificate programs for radiology techs that take around a year, as well as associate’s and bachelor’s degrees that take anywhere from two to four years.The best credentials are a combination of formal training, a professional license, and work experience.our choice of training or degree program should depend on your long-term career goals. If you are interested in working as a radiology tech for the foreseeable future, then consider investing in a more in-depth degree program, which may cost more or take longer than those that provide the minimum requirements.