Find a vocational school near you that offers HVAC certification. Most vocational schools will provide HVAC classes due to their popularity and some community colleges may offer them as well. Resources, such as mechanic-school-directory.com, can help in your search to find a vocational school.
Enroll in certification classes for the next semester. Vocational schools offer four semesters every year: winter, spring, summer and fall. Registration usually begins two months before the semester begins, but be sure to check with each school individually as dates may vary.
Attend the classes and perform well on all the testing to be awarded an HVAC license for the state of Ohio.
Attend classes every year to maintain your license. The state of Ohio requires that HVAC license holders continue their education each year by taking 10 hours of training courses per year. Failure to do so could result in a suspension of your license.