HVAC Technician at Len Thonus Plumbing, Heating & Air Conditioning

Len Thonus Plumbing, Heating & Air Conditioning sponsors this non-union HVAC Technician apprenticeship in Mahwah, NJ. This registered, employer-sponsored program is designed for individuals who want to enter the HVAC trade with structured, paid training that builds real competency from day one.

The four-year program is time-based and combines 8,000 hours of on-the-job training with 576 hours of related technical instruction. Apprentices work alongside veteran technicians on heating, ventilation, and air conditioning systems, performing installations, service calls, and diagnostic repairs. Classroom instruction provides grounding in refrigeration theory, electrical fundamentals, system efficiency, equipment diagnostics, and safety regulations.

Upon program completion, graduates are credentialed as journey-level HVAC technicians with the knowledge and experience to handle a full range of HVAC work independently. The registered apprenticeship designation through Len Thonus Plumbing, Heating & Air Conditioning is a recognized qualification across the industry.