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Top-Rated Generator repair pros in Markham - Updated Nov 2026

Avatar for Appleton Campbell
Appleton Campbell
4.6(
339
)
Electrical Wiring or Panel UpgradeElectrical Switches, Outlets & Fixtures - Install or RepairElectrical for Home Addition or Remodel - Install

Serving Markham, VA and surrounding areas

Approved

In business since 1976

Free estimates

Emergency services offered

"The company technicians, Steven, James and Zack were very professional and competent. They did excellent job in both removing the old unit and installing the new one. In addition to this job, we have used Appleton Campbell for several projects over the past couple of years, to include, installing a back up propane generator, installing replacement electrical lighting, and replacing a hot water heater. The company and their personal, to include both field and office individuals, were very competent and courteous. We highly recommend this company to other individuals."
Additional Photos
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+1

Response time11 hrs
Response rate100%
5 neighbors recently requested a quote
Avatar for W B Lightning Rods
W B Lightning Rods
4.6(
372
)
Lightning Protection - Install or Repair

Serving Markham, VA and surrounding areas

Approved

In business since 2001

Free estimates

Warranties offered

"they were nice enough call and state that they do not repair motion lights! I WANT SOMEONE THAT REPAIRS OR REPLACES MOTION LIGHTS1 If homeAdvisor cannot help by having an election rep call me then I will contact ANGIES LIST. I never said that I neededlightning rods"
lightning protection
 Residential LPS
lightning protection
 Residential LPS
lightning protection

+79

Response time1 day
117 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for NEC Electric
NEC Electric
4.6(
14
)
Electrical Switches, Outlets & Fixtures - Install or RepairElectric Vehicle Charging Station Installation - Materials Provided by ConsumerElectric Vehicle Charging Station Installation - Materials Not Provided+6 more

Serving Markham, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Emergency services offered

"not just professional efficient! Unbelievably fair priced literally less than half of what a major competitor on this site quoted using my own parts and my own wire! Just because there are any energy list doesn’t mean some people won’t try and rip you off and fools will pay it. Mr. NAGY is a professional and very ethical. I’d recommend hiring him again and again!"
Electrical Project
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+11

Response time2 days
Response rate100%
41 neighbors recently requested a quote
Avatar for SciFiHomes, Inc.
SciFiHomes, Inc.
4.8(
51
)
Fixed Generator - Install

Serving Markham, VA and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"Working with SciFi could not have been better. It was the only contractor in the area willing to take on the entire project of installing propane tank, running a gas line and connecting a new range, and installing a generator for my home. Marshall, Steve, and the crew did an excellent job, What made working with them such a positive experience was the timely communications about every aspect of the project. Due to the pandemic, the generator was backordered; but, because they kept me up to date, there were no surprises. SciFi shows a clear commitment to doing quality work and customer service. I highly recommend SciFi, and will gladly call on them again."
JK Cummins 20kW Standby Generator Install
Briggs & Stratton 20kW #1
RH Cummins 20kW Standby Generator, Roundhill, VA
 Generac 20kW Standby Generator
RF 20kW Standby Generator

+11

Response time5 days
Recommended by100%of homeowners
Avatar for Benfield Electric Co.
Benfield Electric Co.
4.9(
5
)
Fixed Generator - InstallExterior Building Lighting - Repair - For BusinessFixed Generator - Repair+3 more

Serving Markham, VA and surrounding areas

Approved

In business since 1968

Free estimates

Emergency services offered

Benfield Electric Company is an area leader in the Electrical Service field, serving customers throughout Northern Virginia, Maryland, and D.C. We work with residential and commercial clients and pride ourselves on our capability to meet all types of electrical wiring demands and deadlines. Established in 1968, we are a licensed, bonded and insured class “A” Electrical contractor. We are focused on providing a wide array of services to meet all our customer's needs

Air Cooled Backup Generator Install
Air Cooled Backup Generator Install
Air Cooled Backup Generator Install
Liquid Cooled Backup Generator
Transfer Switch

+9

7 neighbors recently requested a quote
Recommended by60%of homeowners
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FAQs for generator repair projects in Markham, VA

Always start by confirming the pro’s license number, insurance coverage, and experience level. Visit the electrician’s website, scan recent customer reviews, and verify credentials with your local labor department. Request proof of liability insurance and at least two references that you can contact. These quick checks take only a few minutes but go a long way toward ensuring safe, code-compliant work and protecting your home in the event of an issue.

Grouping several electrical jobs into one appointment means you pay a single service-call fee and one set of travel expenses. Instead of asking a pro to return three separate times for outlets, switches, and fixtures, have everything tackled in one visit. The electrician stays productive, and you avoid extra trip charges, often shaving a sizable chunk off the final bill without compromising quality.

DIY electrical work can be dangerous and, in many areas, illegal without a license. One miswired connection risks shocks, fires, or expensive damage. Licensed electricians carry the right tools, follow local code, and know how to shut down power safely before they start. Hiring a pro may cost more upfront, but it protects your home, family, and insurance coverage in the long run.

The Markham, VA homeowners’ guide to generator repair services

From average costs to expert advice, get all the answers you need to get your job done.