01
HVAC
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01 HVAC fundamentals
Master heat, pressure, matter/energy, and the refrigeration cycle so you can read the system like a field technician
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Free HVAC, electrical, and plumbing courses. Learn the trade and practice in the app.
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HVAC, electrical, and plumbing explained step by step. No payments, no free trials, no card.
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Simulations live in the app: wire the circuit, trigger the fault, and find it without risking real equipment.
HVAC courses
11 courses available.
02
HVAC
02 Safety, tools, and shop practices
Work safely in shop and field: PPE, service tools, tubing, leak testing, evacuation, recovery, charging, and calibrated instruments
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03
HVAC
03 Controls and field electricity
Read HVAC circuits and controls and diagnose basic control failures
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04
HVAC
04 Electric motors
Identify, apply, and diagnose electric motors on HVAC equipment
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05
HVAC
05 System components
Understand and diagnose evaporators, condensers, compressors, expansion devices, and accessories
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06
HVAC
06 Commercial refrigeration
Apply commercial refrigeration, ice machines, and typical troubleshooting
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07
HVAC
07 Heating and IAQ
Service heating systems and introduce indoor air quality
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08
HVAC
08 Air conditioning (cooling)
Install and diagnose residential cooling systems
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09
HVAC
09 Heat pumps
Size and think building loads; operate and diagnose air-source and geothermal heat pumps
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10
HVAC
10 Residential / domestic
Service domestic refrigerators and room air conditioners with orderly diagnosis
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11
HVAC
11 Commercial A/C and chilled water
Understand chillers, chilled-water plants, towers, O&M, and RTU/VRF/VAV terminals
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