A typical HVAC Mechanic III working in metro Pennsylvania -- Allentown is expected to earn a median base salary of $43,701. Half of the people in this job are expected to earn between $39,234 and $46,552 (i.e., between the 25th and 75th percentiles). These numbers are based on national averages of $39,872 and $46,309 then adjusted by geographic salary differentials.

Apprentices usually begin at about 50 percent of the wage rate paid to experienced workers. As they gain experience and improve their skills, they receive periodic increases until they reach the wage rate of experienced workers.

Heating, air-conditioning, and refrigeration mechanics and installers enjoy a variety of employer-sponsored benefits. In addition to typical benefits like health insurance and pension plans, some employers pay for work-related training and provide uniforms, company vans, and tools.