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Be the Voice That Sets the Standard

Join Our CSR Team

At SumZero, we believe the way a customer feels after a phone call is just as important as the fix we provide. As a CSR, you’re not a call center robot — you’re the first impression, the calming voice, the trusted guide when someone’s heating or cooling system isn’t working and they need help, fast.This role is perfect for someone who loves serving others, stays composed under pressure, and believes that accuracy, kindness, and follow-through matter.

What You’ll Do

  • Answer incoming calls and schedule service or sales appointments
  • Ask the right questions, listen with care, and guide the customer
  • Accurately enter customer data, job notes, and scheduling preferences
  • Follow up with customers to confirm appointments or next steps
  • Coordinate with techs and department heads to resolve issues fast
  • Be a calm, professional voice — no matter how the day is going
Hours: Full Time
Location: Holliston, MA
Start Date: As soon as you’re ready

What You'll Get

  • $17–$25/hr starting pay, depending on experience
  • Paid vacation, holidays, and sick days
  • Health insurance and Simple IRA retirement contributions
  • A supportive team culture that rewards follow-through and excellence
  • Leadership that listens and mentors

“I never felt like just another cog. Here, they actually listen and help you grow.”
Caitlin S., CSR since 2022

What You Bring

  • A genuine desire to help others and make their lives easier
  • Strong phone communication and typing skills
  • Ability to multitask and stay organized in a fast-paced environment
  • A team-first attitude — you don't pass the buck
  • Previous experience in customer service or dispatch is a plus

Real Reviews from Customers

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Your Growth Path
See how we train, promote, and coach the right people forward.

No pressure. Just possibilities.

We review every application personally. You’ll hear back from us within 3 business days.

Questions? Email us directly at careers@sumzeroenergy.com