Chiller technicians install, commission, and service centrifugal, screw, and absorption chiller systems in central plant HVAC applications, think high-rises, hospitals, universities, data centers, and large industrial facilities. It's one of the highest-paid specializations in commercial HVAC, demanding deep expertise in refrigerant systems, oil management, variable frequency drives (VFDs), and controls integration across major chiller platforms.
Top employers include OEM service networks (Carrier, Trane, York/Johnson Controls, Daikin/McQuay), national service firms, central plant operators, and facility management companies (CBRE, JLL, ABM, Aramark) at large commercial campuses. Experienced chiller techs are consistently among the most sought-after professionals in the mechanical trades.
Data center construction is the biggest driver of chiller technician demand. Hyperscale and colocation facilities rely on large central plant chillers as their cooling backbone, and the construction boom in markets like Northern Virginia, Phoenix, Dallas, and Chicago is creating concentrated demand for technicians who can handle both startup and ongoing service.
The R-410A phasedown and the shift toward lower-GWP refrigerants (R-513A, R-1234ze, R-134a variants) are also fueling a wave of retraining and recertification across the industry. Meanwhile, hospital systems continue investing in central plant infrastructure; with 24/7 operations and zero tolerance for downtime, healthcare facilities place a premium on skilled techs who can deliver both planned maintenance and emergency repairs.
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Quality Air
Full-time
On-site
Grand Rapids, Michigan, United States
01-05-2026
Eichleay
Full-time
On-site
Ferndale, Washington, United States
12-17-2025
Sidara
Full-time
On-site
New York, United States
$132,000 - $151,000 USD yearly
12-18-2025
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