HVAC Expert for AI Diagnostics and System Design

You will use practical HVAC service knowledge to create and assess scenarios that test how AI models handle diagnostics and system design.

• Create realistic service scenarios that move from symptoms through diagnosis and repair.
• Write reference answers explaining system behavior, charge selection, duct sizing, and sequence of operations.
• Review AI responses for technical accuracy, efficiency, and safety.
• Flag plausible but incorrect or dangerous recommendations, including advice that could damage a compressor or introduce carbon monoxide into a home.

Requirements, schedule, and payment

• Remote, asynchronous contractor work; a commitment of at least 20 hours per week is required.
• Open to candidates in the countries listed for this role.
• Clear written English is required for documenting diagnostic reasoning.
• You must have EPA Section 608 certification, state HVAC licensing where required, and at least two years of field experience in installation, service, or controls.
• You need working knowledge of refrigeration cycles, airflow, and load calculation.
• Experience in residential service, commercial refrigeration, controls, heat pumps, geothermal, high-efficiency systems, or building automation is helpful. NATE certification is also helpful.
• Payment is made weekly through Stripe.

How to apply

Apply on OpenTrain with your resume, then complete the application on the hiring site. OpenTrain is a free platform where people can find AI training work, build a profile, and apply to projects.

About AI training work

AI training work uses examples and reviews from people to help AI systems learn. HVAC experts contribute practical knowledge that helps assess whether a model’s technical advice is accurate and safe.