The Start Here Path
New to the trade or to the site? These 33 tips are hand picked and ordered so each one builds on the last. Work through them top to bottom and you will have the foundation everything else stands on.
The Fundamentals
Start with the physics. These nine tips explain what the machine is actually doing.
Learn the Measurements
Superheat, subcooling, delta T, and charging. The numbers that tell you what is really going on.
Moving Air
If the air is wrong, nothing else is right. The airflow basics every tech needs.
17
Static Pressure – Why Measure It?
Why static pressure is the blood pressure test of airflow.
Read
Electrical Basics
Enough electrical to be safe and useful from day one.
23
Understanding 240-Volt Circuits
How 240 volt circuits work in the equipment you touch daily.
Read
26
Why is the Breaker Tripping?
The most common electrical call, and how to find the real cause.
Read
27
Does Voltage or Amperage Kill You?
The safety question every new tech should be able to answer.
Read
Air and Moisture
Comfort is air and water, not just refrigerant.
Meet the Equipment
The two big system types you will see constantly.
The Tech You Want to Be
Two final reads about the person doing the work.
33
4 Silly Mistakes of The New HVAC Tech
The common rookie mistakes, so you can skip making them.
Read
Finished all 33? You have the foundation. Head back to the Tech Tips Library and go deeper into any topic.
