Service Technician

About the role

At SumZero, we don’t just fix systems — we build professionals. Our service technicians are trusted advisors, system detectives, and the face of our company every time a customer needs us most.

Responsibilities

• Respond to service calls and diagnose HVAC system issues
• Repair and maintain mini-splits, VRF, Hydro-Air, forced hot air systems, and more
• Perform seasonal tune-ups and preventative maintenance
• Communicate clearly with customers — explain your findings, earn their trust
• Offer honest solutions and sell only what you believe in
• Help homeowners feel confident in their system and their decision to choose SumZero

Requirements

• 3+ years of experience in HVAC service (or desire to grow into it)
• Certification from an accredited HVAC program preferred
• Comfort with low-voltage, ductless, and refrigeration systems
• Clear, respectful communication skills with customers and teammates
• A mindset of continuous improvement — in your work and your character

Pay

$40+/hr starting pay for experienced techs

Benefits

• Company van, uniforms, and tools (or tool reimbursement)
• Health insurance
• Paid time off
• Simple IRA retirement contributions
• A career ladder with written goals, not vague promises
• Daily support from leadership who’ve walked in your boots
• A team culture built on mentoring, accountability, and pride

Schedule

Full-time, on-site position in Holliston, MA. Start date: as soon as you’re ready.