Project photos and details are published with homeowner consent. We share the technical decisions — Mass Save tier, panel sizing, refrigerant choice, code path — because that is what matters when another Massachusetts homeowner is deciding whether to start their own project. The numbers below reflect actual completed work, not lead-magnet estimates.
Heat Pump & HVAC
Whole-Home Cold-Climate Heat Pump — Newton 1948 Cape
- Equipment
- Mitsubishi Hyper-Heat MXZ-SM48NAM with 4 indoor heads
- Backup heat
- Existing oil boiler retained as backup, controls integrated
- Mass Save rebate
- $9,800 (whole-home tier)
- Federal 25C credit
- $2,000 (heat pump category, claimed in 2026 tax filing)
- Refrigerant
- R-454B (AIM Act compliant for 2026 install date)
- Heating cost change
- From $4,100/yr oil → $1,850/yr electric (-55%)
4-Zone Mini-Split Triple-Decker — Somerville
- Equipment
- Mitsubishi M-Series, one outdoor unit per floor (3 outdoor, 4 indoor)
- Mass Save HPC rebate
- $5,000 across the building
- Tenant impact
- First summer without window units on second floor
- Cold weather performance
- Maintained 67°F upstairs at -8°F outdoor
Kitchen & Bath Remodel
Kitchen Remodel + Panel Upgrade — Brookline Condo
- Scope
- Load-bearing wall removal, panel upgrade 100A → 200A, plumbing relocations, custom cabinetry, quartz countertops, backsplash
- Permits
- 780 CMR building, 527 CMR electrical, 248 CMR plumbing — all filed and inspected by Pro Build
- Final cost vs estimate
- Came in $1,800 under estimate after gas-line move was found unnecessary
Master Bath in Historic District — Cambridgeport 1908
- Special considerations
- Cambridge Mid-Cambridge historic commission review for exterior venting
- Code path
- 248 CMR plumbing rerouting, 521 CMR accessibility for curbless shower
- Inspection result
- Passed first walkthrough by city plumbing and building inspectors
Electrical
200A Panel + EV Charger — Quincy Ranch
- Scope
- Service upgrade 100A → 200A, Tesla Wall Connector install, future heat pump circuit reserved
- MOR-EV rebate
- $700 filed and received
- Layout note
- Heat pump circuit position marked for the install scheduled next year
Weatherization & Insulation
Income-Eligible Weatherization Package — Worcester
- Scope
- Attic insulation, wall insulation, basement rim joist, air sealing
- Program coverage
- 100% covered by Mass Save Income-Eligible
- First-winter result
- Heating bill -41%
Roofing
Storm-Damage Roof Replacement — Medford
- Trigger
- December 2025 nor'easter — half the shingles were lifted
- Response
- Tarped within 24 hours, full insurance scope written within 3 days
- Code path
- Ice and water shield extended to 6 feet from eaves per current 780 CMR
- Warranty
- 2-year workmanship + manufacturer warranty registered to commissioning date
Want Your Project Featured Here?
Every Pro Build project starts with a free 5-minute assessment request. We don't pressure for the case-study release at any point. If your project goes well and you want to share — great. If not, your project never appears here.