HVAC Technician Salary in Illinois 2026,
$77,410 Median | BLS Data by City

The published Illinois figure is $77,410 a year, or $37.21 an hour, per BLS OEWS May 2025, with a band from $46,690 at the 10th percentile to $117,550 at the 90th and quartiles at $60,200 and $96,030. That is 26.9% above the national median of $61,010 — one of the largest trade premiums on this site. The row is SOC 49-9021.

Not at state level. Illinois regulates the trade municipally: Chicago and other cities license HVAC contractors and impose their own requirements, so a technician working across jurisdictions may face different rules in each. Federal refrigerant handling certification applies everywhere and is a genuine requirement for anyone working with refrigerants. There is no unified Illinois HVAC licence comparable to the state plumbing licence.

Peoria at $78,710, then Chicago-Naperville-Elgin $77,960, Decatur $77,770, Rockford $75,070 and Champaign-Urbana $74,880. The spread is about five percent and downstate leads it, which is unusual. Commercial and industrial refrigeration and process cooling — food processing, distribution, manufacturing — is distributed across Illinois rather than concentrated in Chicago.

Scarcity meeting demand. A location quotient of 0.61 across 9,740 technicians means Illinois employs the trade at well under two-thirds the national rate for its size, and a climate demanding both heating and cooling at extremes generates continuous work. When a state has less than the national share of technicians and more than the national need for them, the wage is the adjustment mechanism — and Illinois leads its entire peer group as a result.

Commercial and industrial refrigeration first, contracting second. The $96,030 seventy-fifth percentile is chillers, industrial refrigeration and building automation — work requiring training that residential service does not. The $117,550 ninetieth percentile substantially reflects technicians running service operations or holding a municipal contractor licence and operating their own business, which converts a wage into a margin.

A shortage that has not resolved. Illinois employs HVAC technicians at 61% of the national rate for its size while paying the highest median in a peer group that includes Massachusetts, Connecticut, Minnesota and Alaska — all cold-climate, high-wage states. The demand side is not in question: Illinois's climate runs equipment through both heating and cooling extremes, its commercial and industrial refrigeration base is substantial, and the refrigerant transition is forcing equipment changeovers. The supply side is the problem. Trade training pipelines have not kept pace, the work is physically demanding and involves emergency callout, and the absence of a unified state licence means there is no single visible pathway for someone entering the field.

Because the best-paid HVAC work in Illinois is not residential air conditioning. Peoria at $78,710 above Chicago-Naperville-Elgin at $77,960 reflects industrial and commercial refrigeration and process cooling — food processing, distribution warehousing, manufacturing plant systems — which is distributed across downstate Illinois rather than concentrated in the metropolitan area. That work requires more training, involves larger and more complex equipment, and cannot be deferred when it fails. Decatur at $77,770 tells the same story. For a technician, the implication is that downstate Illinois is not a fallback but a genuinely competitive market.

Less than it might, which is instructive. Illinois fragments HVAC contractor licensing across municipalities in the same way Florida fragments electrician licensing across counties — and Florida's electricians publish 9.4% below the national median while Illinois's HVAC technicians publish 26.9% above it. That contrast suggests licensing structure is not the primary driver of trade wages; supply and demand fundamentals are. What municipal licensing does do is create administrative friction for a technician working across jurisdictions, and it removes the clear statewide pathway that Illinois's Department of Public Health plumbing licence provides for that trade.