Top 10 Jobs Without a College Degree

By Alison Doyle, About.com Guide

When you have mechanical systems, they break. Depending on the season, it's tough to be without air conditioning or heat, which helps put heating and refrigeration mechanic on the top jobs list.

Heating, air conditioning, and refrigeration mechanics and installers (referred to as HVAC or HVACR technicians) work on heating, ventilation, cooling, and refrigeration systems that control the air quality in many types of buildings.

7. Heating / Refrigeration Mechanic

• Average Starting Salary: $26,000
• Income Growth Potential: 158%