As of July 01, 2026, the average annual salary for HVAC Project Engineer in Illinois is $109,985, equivalent to $53 per hour, $2,115 weekly, or $9,165 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for HVAC Project Engineer in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for HVAC Project Engineer in Illinois vary widely, spanning from $94,144 to $131,648. Most professionals fall between the 25th percentile ($101,693) and 75th percentile ($121,324), while top earners (90th percentile) make $131,648 per year. This $19,631 pay gap underscores opportunities for salary growth through certifications, specialized skills like Project Management or Cost Control, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois HVAC Project Engineer often earn 1.9% higher than national averages due to demand from Fortune 58 companies. However, Illinois currently ranks 14 nationwide for HVAC Project Engineer job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
