Job Listings


HERS Rater – C2S Energy LLC (New Bedford, MA)

Posted: November 10, 2026

Job Title: HERS Rater

Company: C2S Energy LLC
Location: New Bedford, MA and surrounding service area (field-based)
Type: Full-time
Pay: $65,000.00 – $85,000.00 per year, depending on experience
Benefits: Health benefits, company vehicle

Job Description:
C2S Energy, a Mass Save® certified contractor based in New Bedford, MA, is looking for a certified HERS Rater to perform home energy ratings, testing and inspections that support our Mass Save® heat pump and energy efficiency projects. You'll be a key part of keeping our work accurate, compliant and on schedule.

What you'll do:

  • Perform HERS ratings and energy modeling on existing and new homes
  • Conduct blower door and duct leakage testing
  • Complete pre- and post-installation inspections and quality verifications
  • Verify work meets Mass Save®, utility program and code requirements
  • Prepare reports, photos and documentation for program submissions
  • Mentor and support field inspection staff


What we're looking for:

  • Active RESNET HERS Rater certification (recently certified raters welcome)
  • BPI certification a plus
  • Experience with energy modeling software (e.g., REM/Rate, Ekotrope)
  • Working knowledge of building science, HVAC systems and heat pumps
  • Familiarity with Mass Save® and the Massachusetts Stretch Code preferred
  • Valid driver's license and clean driving record


How to Apply: Apply through the Careers page at www.c2senergy.com