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Verified Reviews for Generator Install pros in Cresaptown, MD

*The Angi rating for Generator Install companies in Cresaptown, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

*The HomeAdvisor rating for Generator Install companies in Cresaptown, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

Last update on April 21, 2026

Find Generator install pros in Cresaptown

Avatar for Murphy Family Electric
Murphy Family Electric
4.4(
2,222
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Cresaptown, MD and surrounding areas

In business since 2000

Free estimates

Credit card accepted

"Used the all day deal to have a ceiling fan installed in the living room (including add power to the ceiling), several new outlets inside and outside as will as removal of old junction box and outlet from previous renovation. Mike did a great job getting everything on my To-Do list knocked off!!"
installing meter base and mast
Dan the man
mast and weather head with guy kit
relocated panel
Family Electricians

+11

Recommended by85%of homeowners
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Avatar for JW Electrical Service
JW Electrical Service
4.5(
2
)
Generator - Install - For Business

Serving Cresaptown, MD and surrounding areas

In business since 2010

Free estimates

Emergency services offered

JW Electrical Service, master electrician committed to excellence in every aspect of our business. You can count on us for all of your home electrical needs. From standard maintenance, to installations to security cameras. Please give us a call today or click book now for an instant appointment.

OUR WORK
OUR WORK
OUR WORK
OUR WORK
Response time1 day
Recommended by100%of homeowners
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Avatar for Rebuilders
Rebuilders
4.5(
2
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Cresaptown, MD and surrounding areas

In business since 1993

Emergency services offered

Credit card accepted

Rebuilders specializes in emergency commercial restoration across the Mid-Atlantic servicing West Virginia, Pennsylvania, Ohio, and Maryland, ensuring minimal downtime so you can get back to business as quickly as possible.

Mountaineer Field-house
Mountaineer Field-house
After restoration of this charming bungalow!
Mountaineer Field-house
Mountaineer Field-house

+13

Recommended by100%of homeowners
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Online Electric, Inc.
New to Angi
Generator - Install - For BusinessGenerator - Repair - For Business

Serving Cresaptown, MD and surrounding areas

In business since 2002

Free estimates

Emergency services offered

Since, 2002, Online Electric has earned a reputation for prompt, reliable, residential and commercial services. We consider attention to detail to be the most important aspect to our work. Together our owners and employees represent over 50 years of experience in Electrical Contracting industry. We specialize in Home Stand-by systems (Emergency generators) and commercial generators sets. We are a distributor for Briggs and Staton, Generac, and Caterpillar generator sets. We install and service home stand-by systems and commercial Gen Sets. Our commitment to quality is evident from the beginning to the completion of your electrical project. Our top quality work will gain your trust for a lifetime. We believe in making all of our clients repeat clients. \n\nIf you're looking for a electrical contractor that follows business practices such as promptly returning phone calls, arriving on time for appointments, and following through on promises then Online Electric should be the one and only electrical contractor you'll ever need. Call Alan today you'll be pleased you did.\n

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SMK Construction
New to Angi
Generator - Install - For BusinessGenerator - Repair - For Business

Serving Cresaptown, MD and surrounding areas

At SMK Construction LLC, we take pride in delivering reliable, high-quality electrical services for commercial and residential projects. With a focus on safety, efficiency, and precision, our team is committed to getting the job done right the first time.\n\nFrom remodels and upgrades to new installations and troubleshooting, we bring experience, attention to detail, and a strong work ethic to every project. We understand the importance of staying on schedule and within budget, and we work closely with our clients to ensure their vision becomes a reality.\n\nAt SMK Construction LLC, no job is too big or too small—we power your projects with professionalism you can trust.

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Clark Electric
New to Angi
Generator - Install - For BusinessPortable Generator - InstallPortable Generator - Repair

Serving Cresaptown, MD and surrounding areas

In business since 2021

Free estimates

Offers commercial services

Clark Electric take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

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Genesis electric service LLC
New to Angi
Generator - Install - For Business

Serving Cresaptown, MD and surrounding areas

In business since 2018

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

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Ferguson Services
New to Angi
Fixed Generator - Install

Serving Cresaptown, MD and surrounding areas

In business since 2022

Free estimates

Offers commercial services

We are a locally owned and operated company. We value honesty and integrity in all aspects of our business. \nWe offer a variety of home improvement services that are customized to each individual project. \nWe pride ourselves on the quality of our work, as well as our commitment to outstanding results. \nWe look forward to building lasting relationships with our clients and guarantee your satisfaction!

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Generator Install questions, answered by experts

You can determine what size generator you need for a transfer switch by matching the switch to the largest outlet on your generator. Larger generators can power up to 10 circuits, while most 5,000-watt generators can provide power to six circuits. So, if your generator’s largest outlet is 30 amps, you’ll need a 30-amp transfer switch.

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

If you have a transfer switch properly installed, the generator and main electrical power cannot feed the system at the same time. However, you should still shut off the power at your main circuit breaker panel before activating the generator. If you do that, you’ll simply need to shut off the generator and reset your circuit breaker once the local power comes back on.

Generally, you’ll want to keep between 60 and 70 feet between the generator and the transfer switch. There are a few reasons for this, including:

  • The distance reduces the noise coming from the generator into your home.

  • It increases efficiency because you won’t have a voltage drop from this short of a distance.

  • Prevents carbon monoxide poisoning: keep at least 15 feet between your generator and an open window. 

Carbon monoxide emissions aren’t only dangerous to human life, but they also harm our planet. While natural gas generators emit lower levels of CO than other fuel sources, there are still ways to reduce emission levels. For example, shop around for an eco-friendly generator that complies with current emission standards. Also, make sure your generator is serviced regularly to avoid CO buildup. 

The Cresaptown, MD homeowners’ guide to generator installs

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

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