HVAC Tech
Posted Aug 13, 2026 · We last checked this listing on Oct 6, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Tell me about your experience with industrial HVAC systems.
What they are checking: Whether their background covers large industrial systems rather than only residential units.
Tell me about a time you improved how efficiently a system ran.
What they are checking: Whether they look for energy and performance improvements, not just fixes.
How do you explain an HVAC problem to a client who is not technical?
What they are checking: Whether they communicate clearly with the client at a development facility.
What would you do
You get an emergency call at night that a key area has lost heat in winter. What do you do?
What they are checking: Whether they respond quickly and prioritize protecting people, product and pipes from freezing.
About the work
A rooftop unit is not cooling. Walk me through how you troubleshoot it.
What they are checking: Whether they work through airflow, refrigerant, electrical and controls in a logical order.
How have you used a building automation system to monitor and adjust HVAC performance?
What they are checking: Whether they can use the BAS to spot problems and tune systems, as the posting requires.
What does a good preventive maintenance program for HVAC equipment include?
What they are checking: Whether they know filters, belts, coils, lubrication and inspections that prevent breakdowns.
How would you use predictive maintenance tools like vibration or thermal readings?
What they are checking: Whether they can catch failing equipment before it breaks, which the posting mentions.
How do you stay safe working at heights or in confined spaces?
What they are checking: Whether they follow fall protection and confined space procedures rather than taking shortcuts.
What certifications do you hold, such as EPA 608?
What they are checking: Whether they are qualified to handle refrigerants legally and safely.
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Practice this out loudThe full job description
As published by Cushman & Wakefield.