- 2417 US-81, Marlow, OK 73055 | License #OK48978
Stephens County
Duncan
OK · County Seat
Practical advice from our licensed electricians in Marlow & Duncan, OK — covering residential wiring, commercial upgrades, generators, lighting, safety and 24/7 emergency response.
Local · Licensed · 24/7
One local team, two service cities
If you need reliable electrical work in Duncan, Oklahoma, you need a contractor who is already serving your area every day. Whether you manage a commercial building along Highway 81, operate an industrial facility, or own a home in one of Duncan’s historic neighborhoods, our licensed electricians are ready to help.
You want fast response times, clear communication, and work that meets Oklahoma state code and Stephens County requirements. Hertzler Electrical delivers all three, backed by 24/7 emergency electrical repair and a full menu of installation, upgrade, inspection, and contracting services.
At a glance
The largest city in Stephens County
Duncan’s commercial and administrative center status means broader electrical demand – retail, warehouse, medical, hospitality and oil-field support, all in one service area.
A broader, more varied electrical demand
Duncan is the largest city in Stephens County and serves as its commercial and administrative center. That position means the local electrical demand is broader and more varied than in smaller surrounding towns.
Sector · 01
Historic homes near downtown to newer subdivisions on the edge of town, each with its own wiring, panel and load requirements.
Sector · 02
Attractive, efficient lighting and dependable POS circuits for stores, restaurants and professional offices.
Sector · 03
High-bay lighting, heavy-duty circuits and machinery disconnects for logistics, manufacturing and oil-field supply.
Sector · 04
Thunderstorms, wind and heat stress systems all year. Generators, surge protection and fast storm repair are essential.
Services · Duncan
Duncan is the largest city in Stephens County and serves as its commercial and administrative center. That position means the local electrical demand is broader and more varied than in smaller surrounding towns.
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We work with Duncan builders, developers, property managers, and business owners on new construction, remodels, tenant improvements, and large-scale electrical infrastructure. Our team coordinates with other trades, manages schedules, and keeps projects compliant and on budget.
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Power outages, tripped breakers, sparking outlets, burning odors, and storm damage require immediate attention. Our 24/7 emergency electrical repair team is available to Duncan customers around the clock. If you need an emergency electrician in Duncan, OK, call 580-756-4066 any time.
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Renovations and additions in Duncan homes and businesses often require new circuits, relocated outlets and fixtures, and updated panels. We plan the electrical scope with your contractor or directly with you, ensuring the finished project is safe, functional, and code-compliant.
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A professional electrical inspection gives Duncan homeowners, buyers, sellers, and business operators confidence in their systems. We inspect panels, grounding, wiring, outlets, GFCIs, arc-fault protection, and more. If code issues are found, we provide clear correction options and complete the work.
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We help Duncan property owners control energy costs through efficient lighting, LED retrofits, occupancy sensors, smart controls, and electrical load assessments. Even modest upgrades can lower utility bills and extend the life of your equipment.
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Our Duncan installation services include generator installation, electrical panel upgrades, lighting installation, surge protection systems, electrical wiring upgrades, and electrical component installation. We handle projects from a single fixture to a full commercial build-out.
What to Expect When You Hire Hertzler Electrical in Duncan
Duncan is the largest city in Stephens County and serves as its commercial and administrative center. That position means the local electrical demand is broader and more varied than in smaller surrounding towns.
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On-site review and written estimate before work begins.
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Pulled and coordinated with Stephens County inspectors.
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Realistic timelines you can plan the business around.
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Electricians who respect your property, start to finish.
Properties · Duncan
Hertzler Electrical is not a one-size-fits-all contractor. Our team is equipped to serve a wide range of property types across Duncan and Marlow
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Residential homes & rental properties
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Apartments & multi-family properties
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Retail stores & shopping centers
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Restaurants & hospitality businesses
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Medical & professional offices
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Warehouses & distribution centers
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Industrial & oil-and-gas support facilities
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Farms, ranches & agricultural operations
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New construction & renovation projects
FAQ
Yes. Hertzler Electrical provides 24/7 emergency electrical repair in Duncan, OK and the surrounding Stephens County area. Call 580-756-4066 any time for power outages, sparking outlets, burning smells, tripped breakers, or storm damage.
Yes. Our licensed electricians follow Oklahoma state codes and Stephens County requirements on every Duncan installation, repair, and inspection.
Because our headquarters is in Marlow, just 15 miles west on US-81, we can typically reach Duncan quickly. Exact arrival time depends on call volume and your location, but emergency calls are always prioritized.
We handle electrical contracting, emergency repair, remodeling, inspections, energy solutions, generator installation, panel upgrades, lighting installation, surge protection, wiring upgrades, and electrical component installation.
Yes. We specialize in commercial, industrial, construction, aggregate, and oil-and-gas electrical work in Duncan in addition to residential service.
Yes. Many Duncan homes, especially older properties near downtown, were built before modern electrical loads. Panel upgrades improve safety, add capacity, and help prevent overloaded circuits.
Yes. Generator installation and whole-home or business surge protection are popular services in Duncan, especially with Oklahoma’s storm season and power outage risk.
A pre-sale electrical inspection is often worthwhile. We check your full system, identify code issues, and complete corrections so the buyer’s inspection is less likely to derail the sale.
Hertzler Electrical is proud to serve Duncan, OK as one of our primary service areas. As the county seat and commercial hub of Stephens County, Duncan keeps our team busy with a wide range of residential, commercial, and industrial electrical projects. We also maintain a dedicated service area page for Marlow, OK, where our office is located, and we support customers throughout Stephens County.
Do not let an electrical issue slow down your home or business. If you need electrical services in Duncan, OK, call or visit our contact page to request an estimate.
From emergency repairs and inspections to panel upgrades, generator installation, and full electrical contracting, we are the Duncan electrician you can trust.
Get a custom quote for all your residential and commercial electrical needs by filling out this form.
Alternatively, you can give us a call at (580) 252-3703.