As you pursue a career in HVAC, one of the fundamental elements you'll learn is mathematics. You'll learn to take measurements, read digital tools and calculate key temperatures, such as heating and cooling. The math skills you'll learn will extend beyond work. Coolant theory is crucial.
Basic math skills are needed. Reference material is always available for all aspects. If you graduated from high school, you'll be fine. A degree in HVAC Technology with Service Management can provide you with the skills needed to work with HVAC equipment.