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Fast Local Dispatch: Serving Watertown, MA & Nearby Areas
Fully Licensed & Insured: Professional Local Service
Craftsmanship Priority

StarGroup HVAC

Precision HVAC craftsmanship serving Watertown, Newton, Belmont, Waltham, Cambridge & Brighton with honest upfront pricing and heat done right the first time. Serving distinguished homes and properties throughout Watertown, MA with impeccable care, clean work sites, and uncompromising precision.

Historic & Architectural Care
Dust & Floor Protection
Written Lifetime Guarantee
StarGroup HVAC craftsmanship in Watertown
Regional Mastery: Watertown, MA
high-efficiency heat pump mini-split conversions, Mass Save rebate compliance, steam boiler tune-ups
Dedicated Service Scopes

Expert Solutions for Watertown Homes

From scheduled maintenance to major infrastructure overhauls, executed to the highest trade standards.

01

Steam & Hot-Water Boiler Tune-Ups

Complete service for the steam and hydronic boilers common in Watertown's older homes: full burner teardown and cleaning, low-water cutoff testing, pressuretrol calibration, skim steaming to clear oil from the water line, and air-vent replacement to end banging radiators and short cycling.

  • Code-compliant installation
  • Upfront agreed pricing
  • Workmanship warranty included
02

Ductless Mini-Split & Heat Pump Conversions

Design-build installation of high-efficiency cold-climate heat pump systems, including Manual J load calculations per room, line-set routing that respects period millwork and masonry, and electrical coordination — so you retire aging oil or baseboard systems without gutting your walls.

  • Code-compliant installation
  • Upfront agreed pricing
  • Workmanship warranty included
03

Mass Save Rebate & Efficiency Compliance

We manage the paperwork side of your upgrade: equipment specification to Mass Save efficiency tiers, HEAT Loan coordination, contractor verification, and rebate filing — ensuring your qualifying system actually receives the incentive it's engineered for.

  • Code-compliant installation
  • Upfront agreed pricing
  • Workmanship warranty included
Physical Proof of Work

Visual Transformations & Upgrades

Real project comparisons demonstrating code-compliant modernizations and equipment replacements in Watertown.

High-Efficiency Cold-Climate Heat Pump Modernization

Replaced aged, loud AC condenser with whisper-quiet variable-speed inverter heat pump

Illustrative example — not StarGroup HVAC's work
Before upgrade BEFORE
After upgrade AFTER
Key Upgrade Specifications
  • Licensed, code-compliant installation
  • Upfront pricing agreed before work begins
  • Work area cleaned up on completion
Warranty discussed with your estimate

High-Efficiency Furnace Modernization

Draft-hood 80% furnace with rusted chimney liner, cracked heat exchanger, and short cycles

Illustrative example — not StarGroup HVAC's work
Before upgrade BEFORE
After upgrade AFTER
Key Upgrade Specifications
  • Licensed, code-compliant installation
  • Upfront pricing agreed before work begins
  • Work area cleaned up on completion
Warranty discussed with your estimate

Multi-Zone Ductless Climate System

Noisy window AC units vibrating in frame with drafty seasonal window gaps

Illustrative example — not StarGroup HVAC's work
Before upgrade BEFORE
After upgrade AFTER
Key Upgrade Specifications
  • Licensed, code-compliant installation
  • Upfront pricing agreed before work begins
  • Work area cleaned up on completion
Warranty discussed with your estimate
StarGroup HVAC team and work vehicle in Watertown
Serving Watertown, MA & Nearby Communities
Local Heritage & Values

About StarGroup HVAC

Founded on principles of honest craftsmanship, upfront communication, and technical excellence, StarGroup HVAC has served the Watertown area with dependable residential and commercial services.

Our team is fully licensed, insured, and background-checked. We specialize in high-efficiency heat pump mini-split conversions, Mass Save rebate compliance, steam boiler tune-ups, ensuring your property remains protected and efficient year-round.

Fully Licensed & Insured
Verified Local Contractor
Upfront Itemized Pricing
Zero Travel Surcharges

Local Coverage Across Watertown, MA

Our licensed service trucks are stationed locally to provide rapid response times throughout Watertown, Newton, Belmont, Waltham, Cambridge, Brighton.

Guaranteed Dispatch Radius
Watertown & Surrounding Municipalities
No long-distance travel fees for standard service calls within our core operating territory.
Connect With Us

Request an Upfront Estimate

Reach out directly by phone or submit your project details below for a prompt, itemized response.

Direct Phone Line
(617) 992-8662
Physical Service Base
119 Galen St, Watertown, MA 02472
Operational Hours
Monday: 10 AM to 6 PM, Tuesday: 10 AM to 6 PM, Wednesday: 10 AM to 6 PM, Thursday: 10 AM to 6 PM, Friday: 10 AM to 6 PM, Saturday: 10 AM to 6 PM, Sunday: 10 AM to 6 PM

Fast Project Estimate

Fill out the form below and our team will follow up promptly.