HVAC Training & Certification

HVAC Blog

Training guides, regulatory breakdowns, and technical resources for HVAC professionals and trade students.

HVAC technician inspecting a commercial rooftop air conditioning unit with refrigerant pressure gauges

"EPA 608""HVAC certification"14 min read

How to Pass the EPA 608 Exam on Your First Try (2026)

73% of techs fail the EPA 608 exam on their first attempt. This 2026 study guide covers all four sections with a 3-week plan and EPA 608 practice test tips.

WorkerGear Team·Jul 17, 2026

Residential HVAC outdoor condenser unit installed next to a house with green lawn and blue sky

"HVAC""heating and cooling"

What Is HVAC? How Heating, Ventilation, and Air Conditioning Works

HVAC stands for heating, ventilation, and air conditioning. These systems use 40% of a building's energy (IEA). Learn how each component works and what types exist.

WorkerGear Team

15 min·Jul 17