Marlborough, MA, Electrical Contractor
HVAC, Electrical & Plumbing Services
Serving Taunton and Surrounding Areas Since 1948
Choose Boston’s Home Team!
Keeping Your Business Comfortable Is Our Priority
Over 75 Years In Business
We Have The Experience You Can Trust.
When it comes to dependable electrical services in Marlborough, Massachusetts homeowners and business owners trust Cotti Johnson HVAC, Inc. to handle everything from calls to full electrical panel replacement projects. As your trusted local electrical contractor, we’re proud to serve the MetroWest and Middlesex County areas with fast, affordable, and code-compliant solutions.
Whether you need breaker box installation, standby generator installation, or fuse box replacement, our electricians are trained, experienced, and ready to help.
We proudly serve homeowners and businesses in:
- Hudson
- Northborough
- Southborough
- Westborough
- Berlin
- Bolton
- Sudbury
- Framingham
- Shrewsbury
- Worcester
Read our reviews to see why we’re the go-to electrical contractor in Middlesex County.
Marlborough, Massachusetts Electrical Repair & Troubleshooting
Electrical problems never happen at a convenient time. That’s why we offer services throughout Marlborough, MA. From sudden power outages to buzzing outlets, breaker trips, or sparking wires, our team can troubleshoot and fix the issue safely and efficiently.
We specialize in identifying electrical hazards and offering permanent solutions to keep your home or business running smoothly. Don’t wait on a minor issue—what starts as a small flicker can lead to bigger, more dangerous problems. Our electrical contractors are available for same-day repairs and urgent service calls.
Common electrical problems we handle:
- Sudden power loss
- Repeated breaker trips
- Flickering lights
- Burning smells or smoke near outlets
- Overloaded breaker boxes or fuse box panels
Middlesex County Whole Home Generator Repair & Replacement Services
Power outages can be more than just inconvenient—they can be costly or even dangerous. That’s why we offer full whole home generator services across Middlesex County, including Marlborough. Whether you’re interested in standby generator installation or your existing unit needs repair, our electricians are ready to help.
Our generator services include:
- Diagnosis and repair of malfunctioning generators.
- Full whole home generator replacement and upgrades.
- Annual maintenance for optimal performance.
- Standby generator installation during storm season.
We work with leading brands like Genrac and ensure every installation or repair meets local code requirements and your home’s energy needs.
We offer affordable financing options to help with major installations or replacements.
MetroWest Electrical Panel Repair & Replacement Services
If your home is older or your electrical system can’t keep up with modern appliances, it might be time for an electrical panel upgrade. Cotti Johnson HVAC, Inc. offers complete electrical panel replacement, breaker panel replacement, and fuse box replacement throughout Marlborough and the surrounding MetroWest communities.
Upgrading your breaker box improves safety, efficiency, and allows for future home upgrades like EV chargers or home additions. Whether you need breaker box repair, fuse box panel troubleshooting, or a full breaker panel replacement, our electricians deliver the service you need with precision and care.
We provide:
- Modern electrical panel upgrades
- Breaker box installation for new construction
- Replacement of outdated fuse boxes
- Addition of new circuits for HVAC, appliances, or lighting
- Code-compliant panel repairs and inspections
Here are some of our current limited time offers, call for additional details. All specials are subject to availability, some terms apply, some terms based on credit approval. Offers cannot be combined.
Whether it’s electrical repairs, a fuse box replacement, or standby generator installation, you can count on Cotti Johnson HVAC, Inc. for fast repairs at fair prices. Call us in Marlborough, MA, at 508-301-1831.
