01 HVAC fundamentals
Master heat, pressure, matter/energy, and the refrigeration cycle so you can read the system like a field technician
View courseTrade courses by craft: learn and practice.
Trade training by craft: videos, guides, and hands-on practice when available.
Practice in a safe environment when a lab is available for the course.
Master heat, pressure, matter/energy, and the refrigeration cycle so you can read the system like a field technician
View courseWork safely with electricity: effects of current, OSHA/LOTO, PPE, ladders, fires, GFCI, AFCI, and grounding
View courseWork safely in shop and field: PPE, service tools, tubing, leak testing, evacuation, recovery, charging, and calibrated instruments
View courseUnderstand atoms, charges, materials, electrical units, Ohm’s law, static, magnetism, and resistors so you can read a circuit like a technician
View courseRead HVAC circuits and controls and diagnose basic control failures
View courseSolve series, parallel, and combination circuits; apply Kirchhoff’s, Thévenin’s, Norton’s, and superposition theorems in DC
View courseIdentify, apply, and diagnose electric motors on HVAC equipment
View courseMeasure with voltmeter, ammeter, ohmmeter, DMM, and oscilloscope; size conductors with AWG, ampacity, voltage drop, and installation testing
View courseUnderstand conduction in liquids/gases, cells and batteries, connections, other small sources, and electromagnetic induction with Lenz’s law, RL timing, and voltage spikes
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