Learn and get more certifications.
You have an opportunity to apprentice for Air Conditioning and Heat Pumps. And/Or Oil Burner technician. You will NEVER be without work.
Requirements are willing to work, show up on time, be honest, polite and understanding with the customer.
A valid Gas technician certification.
Must be physically able to lift heavy loads with assistance occasionally, must have some mechanical experience, and a lot of aptitude.