Electrical
Smart Home Controls and Automation in Greater Boston
Castle Electric Inc.
Upgrade your home with dependable smart controls and automation installed by licensed electricians. We design, install, and integrate systems like smart thermostats, sensors, and app-based lighting for seamless control. Serving the Greater Boston Area, including Boston, Newton, and Cambridge. Trusted by neighbors with a 4.9 rating from 760 reviews. Tell us what you want to control and get a free, no-pressure quote today.
Why Choose Us
Licensed and insured
All electricians are licensed and the company is fully insured.
Transparent pricing
Upfront, written pricing before work begins.
On-time and tidy
We will be on time and leave your home clean.
Design-first approach
Custom layouts using premium, durable materials.
Proven reputation
4.9 rating from 760 reviews.
Reviews
Why Homeowners Recommend Us
Customers mention
- value1
- professionalism1
- quality1
Based on the reviews shown here.
They were on time and came in under quote.
Kevin M.She fixed our Nest issue and answered all questions.
Jennifer H.Installed an EV charger and did an excellent job.
Sean L.
Why Does My Smart Light Switch Not Work After Installation?
Most smart switches fail after installation due to wiring, compatibility, or setup issues. Many models require a neutral wire. Miswired line/load or traveler leads in 3‑way circuits can stop power. Some smart dimmers need a minimum load or compatible LED bulbs. Power may be off at the breaker. Wi‑Fi pairing or app configuration may be incomplete. Castle Electric installs and configures smart switches and follows Massachusetts electrical codes, including permits when required.
Quick checks:
- Confirm neutral present and correctly tied in.
- Verify line/load/traveler are on the right terminals.
- Turn breaker fully off/on and test voltage.
- Try a compatible bulb or add load.
- Reset and re‑pair in the app.
Updated: 2026-01-02 00:00:00
Need help in Quincy, MA? Call (781) 762-9891 or book online.
Why Do Smart Home Devices Stop Working Suddenly?
Smart devices usually stop working because of power, network, or setup changes. Typical causes are a tripped breaker or GFCI, Wi‑Fi changes or outages, dead batteries, firmware/app issues, or wiring that doesn’t match the device’s needs (for example, smart switches that need a neutral). For doorbells, a weak transformer can cause dropouts. Our licensed electricians can diagnose wiring, low‑voltage, and integration issues in Quincy and Boston.
Quick checks:
- Check breakers and reset GFCI/AFCI.
- Verify Wi‑Fi is up and your app login works.
- Replace batteries, then power‑cycle the device.
- Confirm the device’s wiring and compatibility.
- Update firmware/app and re‑add the device if needed.
Updated: 2026-01-02
Need help in Quincy, MA? Call (781) 762-9891 or book online.
How much does smart home wiring installation typically cost?
Smart home wiring cost depends on your scope. We confirm pricing after an on-site assessment and provide a written quote. We install smart switches, lighting, thermostats, doorbells, EV chargers, and smart-ready structured wiring. We are certified SPAN panel dealers and can add energy monitoring or vehicle-to-home integrations. We handle Massachusetts permits and code compliance, then test every device and circuit for safety. We serve homeowners in Quincy and nearby cities.
Updated: 2026-01-02
Need help in Quincy, MA? Call (781) 762-9891 or book online.
How much does it cost to upgrade smart home wiring in my house?
Upgrading smart-home wiring is priced case by case after an on-site assessment. A Castle Electric electrician will review your goals and provide a written quote before work begins in Quincy and nearby cities.
What affects price:
- Number of new circuits and devices (doorbells, smart switches, thermostats).
- Structured “smart‑ready” wiring during remodels/new builds.
- Panel work or SPAN smart panel integration.
- EV charger or vehicle‑to‑home tie‑ins.
- Wall access and finish level.
- Required permits and Massachusetts code inspections (we handle both).
Updated: 2026-01-02
Need help in Quincy, MA? Call (781) 762-9891 or book online.
Can I install a smart thermostat myself without professional help?
Yes, many homeowners can install a basic smart thermostat. Professional installation helps confirm compatibility, C-wire needs, and safe low‑voltage wiring, and we integrate it with your HVAC and electrical. We handle permits when required and follow Massachusetts electrical codes. We install and configure smart thermostats in Medfield and Quincy.
Quick checks:
- Shut off HVAC power.
- Confirm your system type and 24 V compatibility.
- Verify a C-wire or approved adapter.
- Label wires before removal.
- Test heat and cool after setup.
Updated: 2026-01-02
Need help in Quincy, MA? Call (781) 762-9891 or book online.
We serve the Greater Boston Area, with frequent visits to Boston, Newton, and Cambridge. See the full list of communities we cover below.
Service area
Service Areas We Cover
- 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, MA
- Hopkinton, MA
- Jamaica Plain, MA
- Dedham, MA
- Wrentham, MA
- Halifax, MA
- Medfield, MA
- Taunton, MA
- Hudson, MA
- Waltham, MA
- Millis, MA
- Somerville, MA
- Weston, MA
- Weymouth, MA
- Holbrook, MA
- Needham, MA
- Abington, MA
- Wellesley, MA
- Needham Heights, MA
- Roxbury, MA
- Rockland, MA
- Boston, MA
- Sudbury, MA
- West Bridgewater, MA
- Ashland, MA
- Attleboro, MA
- Framingham, MA
- Mendon, MA
- Norwood, MA
- Sherborn, MA
- Reading, MA
- North Easton, MA
- Millville, MA
- Dorchester, MA
- Southborough, MA
- Waban, MA
- Auburndale, MA
- Plympton, MA
- Maynard, MA
- Attleboro Falls, MA
- Medway, MA
- North Dighton, MA
- Natick, MA
- Norton, MA
- Hopedale, MA
- Marlborough, MA
- West Newton, MA
- Braintree, MA
- Holliston, MA
- Marshfield, MA
- Sharon, MA
- Newton, MA
- Upton, MA
- Babson Park, MA
- Foxboro, MA
- Whitman, MA
- Wayland, MA
- East Bridgewater, MA
- Walpole, MA
- Hull, MA
- Newton Center, MA
- Concord, MA
- Randolph, MA
- Allston, MA
- Blackstone, MA
- Rehoboth, MA
- Lincoln, MA
- Raynham, MA
- East Weymouth, MA
- Watertown, MA
- Bellingham, MA
- Dover, MA
- Hingham, MA
- Brighton, MA
- Pembroke, MA
- South Walpole, MA
- Westborough, MA
- Brockton, MA
- Avon, MA
- Bridgewater, MA
- Plainville, MA
- South Easton, MA
- Bedford, MA
- Cambridge, MA
- Milton, MA
- Belmont, MA
- Arlington, MA
- Newton Upper Falls, MA
- East Taunton, MA
- Westwood, MA
- West Roxbury, MA
- Newtonville, MA
- Stow, MA
- Quincy, MA
- South Weymouth, MA
- Dorchester Center, MA
- Norfolk, MA
- Scituate, MA
- Brookline, MA
- North Attleboro, MA
- Mattapan, MA
- Roxbury Crossing, MA
- Franklin, MA
Need Professional Electrical Service in Boston-Cambridge-Newton?
Restore your home's comfort with dependable Electrical service from our skilled technicians in Boston-Cambridge-Newton and surrounding communities.