McMahon Plumbing & Heating
- Town
- Based in Somerville
- Source: Mass Save Heat Pump Installer Network contractor list (hpin-contractors.xlsx, revised 10-16-2026), row 1118 (home town only; the list gives counties, not towns served)
- Property types
- Works on: Residential
- Source: Mass Save Heat Pump Installer Network contractor list (hpin-contractors.xlsx, revised 10-16-2026), row 1118
- Phone
- (617) 364-2200
- Source: Mass Save Heat Pump Installer Network contractor list (hpin-contractors.xlsx, revised 10-16-2026), row 1118
- Website
- https://www.mcmahonplumbing.com →
- Source: Mass Save Heat Pump Installer Network contractor list (hpin-contractors.xlsx, revised 10-16-2026), row 1118
- Instant rebate
- Offers instant rebate (per the public Mass Save list as of 10-16-2026)
- Source: Mass Save Heat Pump Installer Network contractor list (hpin-contractors.xlsx, revised 10-16-2026), row 1118
Info from the public Mass Save installer list as of 10-16-2026. Not verified by the business yet.