What are the responsibilities and job description for the Service Technician position at SumZero Energy Systems?
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About UsCareers at SumZeroWhy Join SumZero?Benefits & Culture
APPLY NOW
Keep Systems Running.
Help Customers. Grow Your Skills. Wear The Badge Proudly.
Explore More
At SumZero, we don’t just fix systems — we build professionals. If you’ve got experience in the field and care about the work you leave behind, you’ll find a home here. Our service technicians aren’t just parts-swappers. They’re trusted advisors, system detectives, and the face of our company every time a customer needs us most.
See Why Techs Stay Here
Apply for Service Tech Role
What You’ll Do
Location: Holliston, MA
On-Site Position
Start Date: As soon as you’re ready
What You'll Get
—Maurice D., Service Manager
What You Bring
Meet the Team
Our Story – From Panera Bread Meeting to Inc 5000
Core Values
We Actually Follow
Leadership and Mission
Explore More Career Opportunities
Not sure this is your role? Check out:
HVAC Installer
HVAC
Take Pride in Every Install. Build a Career That Lasts.
Holliston, MA
Full Time
See Details & Apply
Customer Service Representative
CSR
Become the friendly voice customers trust. Competitive pay, real growth.
Holliston, MA
Full Time
See Details & Apply
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
Location
84 October Hill Rd, STE 7
Holliston, MA 01746
Phone
(508) 965-0046
CALL OR MESSAGE US
Company
About UsCareersContact UsService AreaOur CommunityOur Process
Resources
Case StudiesBlog ArticlesFAQsReferral ProgramCustomer Testimonails
Governance
Terms & ConditionsCookie PolicyPrivacy Policy
Our Services
Oil to Heat Pump ConversionGas to Heat Pump ConversionDuctless Mini-Split SystemsCentral A/CHybrid Heating ApplicationDuctwork & VentilationSmart HP Water Heater
Community Comfort | Serving Massachusetts Homes
Acton
Arlington
Ashland
Auburn
Bedford
Bellingham
Belmont
Berlin
Billerica
Blackstone
Bolton
Boston
Boxborough
Boylston
Braintree
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Cambridge
Canton
Carlisle
Charlton
Chelmsford
Chelsea
Clinton
Concord
Dedham
Douglas
Dover
Dudley
Foxborough
Framingham
Franklin
Harvard
Holden
Holliston
Hopedale
Hopkinton
Hudson
Lancaster
Leicester
Leominster
Lexington
Lincoln
Littleton
Lynnfield
Malden
Maynard
Medfield
Medford
Medway
Melrose
Mendon
Milford
Millbury
Millis
Millville
Milton
Natick
Needham
Newton
Northborough
Northbridge
Norwood
Oakham
Oxford
Paxton
Princeton
Quincy
Randolph
Reading
Revere
Rutland
Saugus
Sharon
Sherborn
Shrewsbury
Spencer
Sterling
Stoneham
Stoughton
Stow
Sudbury
Sutton
Upton
Uxbridge
Wakefield
Walpole
Waltham
Watertown
Wayland
Webster
Wellesley
Westborough
West Boylston
Westford
Weston
Westwood
Weymouth
Winchester
Woburn
© 2026 Sumzero. All rights reserved.
Privacy PolicyTerms of ServiceCookies Settings
Access the SumZero Heat Pump Planning Guide ★ Everything homeowners need to know before installing a heat pump.
About UsCareers at SumZeroWhy Join SumZero?Benefits & Culture
APPLY NOW
Keep Systems Running.
Help Customers. Grow Your Skills. Wear The Badge Proudly.
Explore More
At SumZero, we don’t just fix systems — we build professionals. If you’ve got experience in the field and care about the work you leave behind, you’ll find a home here. Our service technicians aren’t just parts-swappers. They’re trusted advisors, system detectives, and the face of our company every time a customer needs us most.
See Why Techs Stay Here
Apply for Service Tech Role
What You’ll Do
- 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
Location: Holliston, MA
On-Site Position
Start Date: As soon as you’re ready
What You'll Get
- $40 /hr starting pay for experienced techs
- Company van, uniforms, and tools (or tool reimbursement)
- Health insurance, paid time off, and 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
—Maurice D., Service Manager
What You Bring
- 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
Meet the Team
Our Story – From Panera Bread Meeting to Inc 5000
Core Values
We Actually Follow
Leadership and Mission
Explore More Career Opportunities
Not sure this is your role? Check out:
HVAC Installer
HVAC
Take Pride in Every Install. Build a Career That Lasts.
Holliston, MA
Full Time
See Details & Apply
Customer Service Representative
CSR
Become the friendly voice customers trust. Competitive pay, real growth.
Holliston, MA
Full Time
See Details & Apply
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
Location
84 October Hill Rd, STE 7
Holliston, MA 01746
Phone
(508) 965-0046
CALL OR MESSAGE US
Company
About UsCareersContact UsService AreaOur CommunityOur Process
Resources
Case StudiesBlog ArticlesFAQsReferral ProgramCustomer Testimonails
Governance
Terms & ConditionsCookie PolicyPrivacy Policy
Our Services
Oil to Heat Pump ConversionGas to Heat Pump ConversionDuctless Mini-Split SystemsCentral A/CHybrid Heating ApplicationDuctwork & VentilationSmart HP Water Heater
Community Comfort | Serving Massachusetts Homes
Acton
Arlington
Ashland
Auburn
Bedford
Bellingham
Belmont
Berlin
Billerica
Blackstone
Bolton
Boston
Boxborough
Boylston
Braintree
Brookline
Burlington
Cambridge
Canton
Carlisle
Charlton
Chelmsford
Chelsea
Clinton
Concord
Dedham
Douglas
Dover
Dudley
Foxborough
Framingham
Franklin
Harvard
Holden
Holliston
Hopedale
Hopkinton
Hudson
Lancaster
Leicester
Leominster
Lexington
Lincoln
Littleton
Lynnfield
Malden
Maynard
Medfield
Medford
Medway
Melrose
Mendon
Milford
Millbury
Millis
Millville
Milton
Natick
Needham
Newton
Northborough
Northbridge
Norwood
Oakham
Oxford
Paxton
Princeton
Quincy
Randolph
Reading
Revere
Rutland
Saugus
Sharon
Sherborn
Shrewsbury
Spencer
Sterling
Stoneham
Stoughton
Stow
Sudbury
Sutton
Upton
Uxbridge
Wakefield
Walpole
Waltham
Watertown
Wayland
Webster
Wellesley
Westborough
West Boylston
Westford
Weston
Westwood
Weymouth
Winchester
Woburn
© 2026 Sumzero. All rights reserved.
Privacy PolicyTerms of ServiceCookies Settings
Salary : $40