Ground faults are one of the more frustrating issues a solar technician can run into in the field. They can range from hard faults with a clear voltage signature to resistive or intermittent faults where voltage won’t show up on a […]

If you’ve spent any time in the field as an HVAC technician, you know that refrigerant charge issues are one of the more common service calls you’ll run. A system that’s lost a significant amount of refrigerant is usually easy […]

Behind every transformative learning experience at HeatSpring is a dedicated instructor – someone who brings not just knowledge, but passion, real-world experience, and a commitment to helping others grow. Though our online courses connect with students across the globe, there’s […]