{"v":"2026-11-02","dataVersion":"ONET-30.3+BLS-MAY25","code":"49-9021.00","slug":"heating-air-conditioning-and-refrigeration-mechanics-and-installers","title":"Heating, Air Conditioning, and Refrigeration Mechanics and Installers","alt":["Installer","HVAC Installer","Refrigeration Installer","Furnace Installer","Heating Installer","Mechanic","Heater Installer","Stoker Installer","Fan Installer","HVAC Mechanic","Oil Burner Technician","A/C Tech"],"employment":409670,"wage":{"median":61010,"p25":48360,"p75":77060},"growthPct":8.1,"exposure":26.5,"taskCount":30,"highCount":5,"midCount":0,"lowCount":25,"aeiObserved":0,"fit":{"mix":{"none":39.7,"efficient":49.4,"standard":3.7,"frontier":7.2},"counts":{"none":12,"efficient":15,"standard":1,"frontier":2},"recommended":"efficient","coveragePct":49.4,"addressablePct":60.3},"tasks":[{"t":"Test electrical circuits or components for continuity, using electrical test equipment.","imp":4.61,"exp":15,"src":"heuristic","tier":null,"gwa":"Inspecting 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