Dunwell Electric - Hollis's Expert Electrical Services

For Hollis residents, we specialize in updating and repairing the electrical systems common in older homes. This includes full household wiring inspections, replacing outdated or damaged wiring, upgrading service panels to meet modern demands, and installing new lighting. We also frequently address local issues like repairing underground cables damaged by frost heave or tree roots and fixing overheated outlets, which are common safety concerns in our area.

Yes, we do. Our team manages the complete electrical installation process for home additions and renovations. This involves planning the new circuit layout, running all necessary wiring, installing outlets and switches, and setting up dedicated lines for major appliances. We ensure all work meets current National Electrical Code standards and is inspected for your safety and peace of mind.

Absolutely. Since 1971, Dunwell Electric has been a go-to contractor for commercial electrical work in Southern NH and Northern MA. We handle all aspects of commercial building wiring, from the initial power distribution system and data cabling to parking lot security lighting and fire alarm installation. Our approach combines efficient project management with the quality craftsmanship we're known for, tailored to keep your business running smoothly.