Trusted by Cape Cod & Nantucket since 1932. 3rd-generation experts in Plumbing, HVAC, Electrical, and Advanced Water Filtration. 24/7 emergency repairs & seasonal maintenance. is a 3rd-generation, family-owned company providing premier mechanical services to Cape Cod, Nantucket, and the South Shore. For over 90 years, we have been the region's trusted name for plumbing, heating, and cooling, known
for honest, affordable, and reliable service.
🚨 24/7 EMERGENCY ON-CALL SERVICE
Plumbing and HVAC disasters don't stick to a 9-to-5 schedule, and neither do we. We provide 24/7 on-call emergency repairs, 365 days a year. Whether it's a burst pipe in the middle of a Nantucket winter or an AC failure on a sweltering July afternoon in Osterville, our technicians are ready to respond.
💧 "Do-It-All" Water Filtration. From well-water testing to complex filtration, we solve:
- Iron & Manganese Removal (No more orange/brown staining)
- Whole-House Conditioning (Solve hard water and scale buildup)
- Neutralizing Filters (Prevent blue-green staining and copper pipe corrosion)
- Reverse Osmosis & Drinking Water Systems
🛠️ Our Core Services
- PLUMBING: New construction, luxury remodels, and leak detection.
- HVAC: High-efficiency boilers, furnaces, and ductless mini-split AC systems.
- ELECTRICAL: Full-service residential and commercial electrical work.
- SEASONAL: Expert winterization and spring start-ups for seasonal homes.
📍 Local Offices & Fast Response. With staffed offices in both Osterville and Nantucket, we provide local, year-round support to our residential and commercial neighbors. Call us anytime—day or night:
📞 Osterville/Main Office: (508) 428-6365
📞 Nantucket Office: (508) 901-5794
🌐 Website: www.carlriedell.com
