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Standby Generator Installation and Maintenance in Greater Chestnut Hill Area

Need reliable backup power for your home? Our licensed electricians handle standby generator installation and maintenance with clean, professional work and upfront pricing. We serve the Greater Chestnut Hill Area, including Boston, Newton, and Quincy. Homeowners trust us for punctual service, contract integrity, and premium materials, backed by a 4.9 rating from 760 reviews. Get ready before storm season and request your free quote today.

Our work

Project Gallery

Ensure uninterrupted power with Castle Electric Inc.'s top-notch standby generator installations.

Ensure uninterrupted power with Castle Electric Inc.'s top-notch standby generator installations.

Ensure uninterrupted power and reliable installations with Castle Electric Inc.

Ensure uninterrupted power and reliable installations with Castle Electric Inc.

Castle Electric Inc. ensures professional and reliable installations for your essential utilities. Trust our expertise for seamless performance.

Castle Electric Inc. ensures professional and reliable installations for your essential utilities. Trust our expertise for seamless performance.

Castle Electric Inc. ensures your home stays powered with top-of-the-line Generac generators.

Castle Electric Inc. ensures your home stays powered with top-of-the-line Generac generators.

Why us

Why Choose Us

Licensed electricians

All work performed by licensed, fully insured pros

Transparent pricing

Upfront, itemized estimates with no surprise add-ons

On-time, clean work

We arrive on schedule and leave your home tidy

Proven local reputation

4.9 rating from 760 reviews

Design-first expertise

Custom layouts using durable, premium-grade materials

Social proof

What Our Customers Say

5.0
quality

“Highly recommend Castle Electric. Professional, responsive, and competitively priced. They took care of my generator transfer switch and I will use them again.”

5.0
professionalism

“They went above and beyond to make the process easy and stress-free. Knowledgeable, professional, and friendly.”

Got questions?

Frequently Asked Questions

Generac standby generator oil should be changed during regular maintenance—typically once or twice per year based on runtime and the manufacturer’s schedule. The need most often comes from extended outage run time and frequent cold starts, which break oil down faster than light exercise cycles. During our visit we change oil and filters, perform a load test, and document results to help protect your manufacturer warranty. One field pattern we see is that units with few outages still age their oil from moisture and short self-tests, so timing matters even when the generator seldom runs. We routinely maintain Generac systems for homeowners in the Franklin area.

Service sooner if you notice:

  • A maintenance reminder or fault on the control panel
  • Many consecutive hours of operation after a recent outage
  • Dark/gritty oil on the dipstick or a dropping oil level

Shut the unit down and call a licensed technician if you see leaks, low‑oil shutdowns, or any warning lights.

Updated: 2026-04-02

Need help in Franklin, MA? Call (781) 762-9891 or book online.

Learn more

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Where we work

Where We Work

Chestnut Hill

MA

Newton Highlands

MA

North Weymouth

MA

Mansfield

MA

Hyde Park

MA

Newton Lower Falls

MA

Wakefield

MA

East Walpole

MA

Hanover

MA

Stoughton

MA

Roslindale

MA

Fayville

MA

South Boston

MA

Charlestown

MA

Norwell

MA

Milford

MA

Canton

MA

Cohasset

MA

Wellesley Hills

MA

Lexington

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Hopkinton

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Jamaica Plain

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Dedham

MA

Wrentham

MA

Halifax

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Medfield

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Taunton

MA

Hudson

MA

Waltham

MA

Millis

MA

Somerville

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Weston

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Weymouth

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Holbrook

MA

Needham

MA

Abington

MA

Wellesley

MA

Needham Heights

MA

Roxbury

MA

Rockland

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Boston

MA

Sudbury

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West Bridgewater

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Ashland

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Attleboro

MA

Framingham

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Mendon

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Norwood

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Sherborn

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Reading

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North Easton

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Millville

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Dorchester

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Southborough

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Waban

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Auburndale

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Plympton

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Maynard

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Attleboro Falls

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Medway

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North Dighton

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Natick

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Norton

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Hopedale

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Marlborough

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West Newton

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Marshfield

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Sharon

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Newton

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Upton

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Babson Park

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Foxboro

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Whitman

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Wayland

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East Bridgewater

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Walpole

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Hull

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Newton Center

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Concord

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Randolph

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Allston

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Blackstone

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Rehoboth

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Lincoln

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Raynham

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East Weymouth

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Watertown

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Bellingham

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Dover

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Hingham

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Brighton

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South Walpole

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Westborough

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Avon

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Bridgewater

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Plainville

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South Easton

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Bedford

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Milton

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Arlington

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Newton Upper Falls

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East Taunton

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Westwood

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West Roxbury

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Newtonville

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Stow

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Dorchester Center

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Norfolk

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Scituate

MA

Brookline

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North Attleboro

MA

Mattapan

MA

Roxbury Crossing

MA

Franklin

MA

Ready when you are

Schedule service today

(781) 762-9891