New Haven County
Electrician in Guilford, CT
Guilford is a vibrant community in New Haven County, Connecticut. Homeowners in Guilford trust Ergon Electric for professional electrical services — from panel upgrades and EV charger installations to whole-home rewiring and emergency repairs. As part of the Ergon Builders Group, we bring the premium quality and transparent pricing that Guilford residents expect.
Services in Guilford
All 10 electrical service categories available for Guilford residents
EV Charger Installation
Tesla, Level 2 charger installation for your garage
Starting at $800
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Subpanel Installation
Adding breakers for garages, basements, and additions
Starting at $600
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Security Camera Installation
Ring, Arlo, and PoE camera wiring and mounting
Starting at $300
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Parking Lot Lighting
Pole lighting maintenance and HID-to-LED conversions
Starting at $2,000
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Warehouse & High Bay Lighting
Industrial LED retrofits and layout designs
Starting at $5,000
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Guilford Electrical Services
Residential Electrical Service in Guilford
From $150
Panel Upgrades & Replacement in Guilford
From $1,500
Whole-Home Rewiring in Guilford
From $8,000
EV Charger Installation in Guilford
From $800
Generator Installation in Guilford
From $5,000
Lighting Design & Installation in Guilford
From $200
Smart Home Wiring in Guilford
From $500
Commercial Electrical in Guilford
From $1,000
Electrical Inspections in Guilford
From $150
Emergency Electrical Service in Guilford
From $200
Landscape Lighting in Guilford
From $1,500
Security Lighting in Guilford
From $300
Recessed Lighting in Guilford
From $500
Chandelier Installation in Guilford
From $250
Ceiling Fan Installation in Guilford
From $150
Track Lighting in Guilford
From $300
Knob & Tube Replacement in Guilford
From $5,000
Aluminum Wiring Repair in Guilford
From $1,500
Subpanel Installation in Guilford
From $600
Meter Socket Repair in Guilford
From $800
Electrical Grounding in Guilford
From $300
Whole-Home Surge Protection in Guilford
From $300
GFCI & AFCI Outlets in Guilford
From $150
Hot Tub & Pool Wiring in Guilford
From $800
HVAC & AC Wiring in Guilford
From $300
Appliance Circuits in Guilford
From $250
Data & Network Cabling in Guilford
From $400
Home Theater Wiring in Guilford
From $500
Smoke & Carbon Detectors in Guilford
From $200
Smart Thermostats in Guilford
From $150
Security Camera Installation in Guilford
From $300
Retail Lighting in Guilford
From $1,000
Parking Lot Lighting in Guilford
From $2,000
Warehouse & High Bay Lighting in Guilford
From $5,000
Commercial Tenant Fit-Outs in Guilford
From $10,000
Signage & Neon Repair in Guilford
From $400
EV Charger Diagnostics in Guilford
From $150
Smart Doorbell Installation in Guilford
From $200
Dedicated Circuits in Guilford
From $350
Pool & Spa Wiring in Guilford
From $800
Baseboard Heating Wiring in Guilford
From $400
Exhaust Fan Installation in Guilford
From $300
Whole Home Audio Wiring in Guilford
From $1,500
Marina & Dock Wiring in Guilford
From $1,200
Elevator & Lift Wiring in Guilford
From $800
Commercial Refrigeration in Guilford
From $1,500
Walk-in Tub Wiring in Guilford
From $400
Backup Battery Systems in Guilford
From $10,000
Heat Pump Wiring in Guilford
From $500
Well Pump Wiring in Guilford
From $600
Knob & Tube Mitigation in Guilford
From $8,000
Aluminum Wiring Mitigation in Guilford
From $3,000
Security Gate Electrical in Guilford
From $1,500
Outdoor Kitchen Wiring in Guilford
From $1,200
Data Center & UPS in Guilford
From $2,500
Retail LED Retrofits in Guilford
From $3,000
Commercial Fire Alarm Wiring in Guilford
From $5,000
Pool Grounding & Bonding in Guilford
From $1,200
Outbuilding Subpanels in Guilford
From $2,500
Code Violation Corrections in Guilford
From $800
Home Inspection Repairs in Guilford
From $300
Frequently Asked Questions
Yes! Ergon Electric provides full electrical services in Guilford, New Haven County, CT. We offer panel upgrades, EV charger installation, generators, rewiring, lighting, smart home wiring, and 24/7 emergency service.
Electrician costs in Guilford vary by project: simple repairs $150–$500, panel upgrades $1,800–$4,000, EV chargers $800–$2,500. We provide free, detailed estimates for all Guilford residents.
Yes. We handle all electrical permits and inspections with the Guilford building department. Permit costs are included in our estimates. We have extensive experience with New Haven County municipalities.
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