Top-rated generator installers.

Get matched with top generator installers in Hagerstown, MD

There are 3 highly-rated local generator installers.

Generator installers in Hagerstown

Avatar for TriState Home Services
TriState Home Services
82A Wormans Mill Ct
4.64(
195
)
Approved Pro
TriState Home Services
82A Wormans Mill Ct
4.64(
195
)
Approved Pro
Customers say: Super punctual
213 local quotes requested
76 years of experience

If you are looking for a HVAC Contractor, a Plumbing Contractor, or an Electrical Contractor to provide you with great service, you've come to the right place. We provide heating services, air conditioning services, plumbing services, and electrical services to our customers in Frederick and the surrounding Counties, the Pan Handle of West Virginia, and Northern Virginia, from our offices located in Frederick MD. With 3 generations of experience in providing heating, air conditioning, plumbing, and electrical services, we are dedicated to providing the best possible products and services for you, and your family.

"Great service very prompt and easy to work with."

Randy W on May 2025

If you are looking for a HVAC Contractor, a Plumbing Contractor, or an Electrical Contractor to provide you with great service, you've come to the right place. We provide heating services, air conditioning services, plumbing services, and electrical services to our customers in Frederick and the surrounding Counties, the Pan Handle of West Virginia, and Northern Virginia, from our offices located in Frederick MD. With 3 generations of experience in providing heating, air conditioning, plumbing, and electrical services, we are dedicated to providing the best possible products and services for you, and your family.

"Great service very prompt and easy to work with."

Randy W on May 2025


Avatar for Kolb Electric Inc
Kolb Electric Inc
8530 Cinder Bed Rd
4.22(
216
)
Approved Pro
Kolb Electric Inc
8530 Cinder Bed Rd
4.22(
216
)
Approved Pro
Customers say: Super punctual
203 local quotes requested
100 years of experience

We are a family owned and operated business that has been serving the Baltimore, Washington Metropolitan area since 1925. We are committed to providing superior electrical services. The valuable advantages we can offer you are great service, high quality and experienced workers at a competitive price.

"Do not use this company. They will rip you off. The contract was for eight 300W LED 40 ft pole lights, but I caught them redhanded installing 240W. Who does that? Then, they broke my lock and broke into my sprinkler room which I saw on my video which they admitted. Then, Kolb sued me for not paying the bill which I disputed due to lost tools as result of the break-in. Who does that breaking into a customer's sprinkler room and not informing that they did. I had to catch them on my video. Not only that it took over one year to the work proposed work. TOTAL FRAUD. I will be going to court...."

John A on November 2023

We are a family owned and operated business that has been serving the Baltimore, Washington Metropolitan area since 1925. We are committed to providing superior electrical services. The valuable advantages we can offer you are great service, high quality and experienced workers at a competitive price.

"Do not use this company. They will rip you off. The contract was for eight 300W LED 40 ft pole lights, but I caught them redhanded installing 240W. Who does that? Then, they broke my lock and broke into my sprinkler room which I saw on my video which they admitted. Then, Kolb sued me for not paying the bill which I disputed due to lost tools as result of the break-in. Who does that breaking into a customer's sprinkler room and not informing that they did. I had to catch them on my video. Not only that it took over one year to the work proposed work. TOTAL FRAUD. I will be going to court...."

John A on November 2023


Avatar for Kline Electrical Services
Kline Electrical Services
11842 Indian Lane
New on HomeAdvisorNew on Angi
Approved Pro
Kline Electrical Services
11842 Indian Lane
New on AngiNew on HomeAdvisor
Approved Pro
87 local quotes requested
2 years of experience

The Kline family has been serving customers in Hagerstown, Frederick, Martinsburg, Chambersburg, and Winchester for over 30 years. We are excited to continue our legacy of providing quality electrical services to you and your family into the future. If you are in need of electrical repairs or installations, contact us today. The Kline team consists of some of the most professional and knowledgeable electricians in the four state region. There is nothing that we can't handle. We are a full service company offering comprehensive repair and installation services, and we are ready to take on your project. Below are just a few of the services we offer at Kline: -Surge protection -Electrical panel maintenance and repair -New electrical panel installation -Electrical service upgrades -Meter base install, maintenance, and repair -Electric vehicle (EV) charging stations -Lighting upgrades (LED) -Outlet repair and installations -Generator installs and services -Whole home or partial rewiring services -Full electrical system installs

The Kline family has been serving customers in Hagerstown, Frederick, Martinsburg, Chambersburg, and Winchester for over 30 years. We are excited to continue our legacy of providing quality electrical services to you and your family into the future. If you are in need of electrical repairs or installations, contact us today. The Kline team consists of some of the most professional and knowledgeable electricians in the four state region. There is nothing that we can't handle. We are a full service company offering comprehensive repair and installation services, and we are ready to take on your project. Below are just a few of the services we offer at Kline: -Surge protection -Electrical panel maintenance and repair -New electrical panel installation -Electrical service upgrades -Meter base install, maintenance, and repair -Electric vehicle (EV) charging stations -Lighting upgrades (LED) -Outlet repair and installations -Generator installs and services -Whole home or partial rewiring services -Full electrical system installs


Avatar for En Motion Security Solutions
En Motion Security Solutions
13109 Long Green Pike
4.75(
4
)
Approved Pro
En Motion Security Solutions
13109 Long Green Pike
4.75(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

En Motion Security Solutions is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

"Friendly, efficient installation. Got done early, answered all our questions. Would use them again."

Dennis B on April 2020

En Motion Security Solutions is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

"Friendly, efficient installation. Got done early, answered all our questions. Would use them again."

Dennis B on April 2020


Green Wave Electric, Inc.
1308 Huntley Cir
4.71(
434
)
Approved Pro
Green Wave Electric, Inc.
1308 Huntley Cir
4.71(
434
)
Approved Pro
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
14 years of experience

Green Wave Electric, Inc., serves the District of Columbia and the Montgomery County area with excellent work at excellent prices. We pride ourselves on our combined experience of over 25 years in meeting our customer's electrical needs. We look forward to working with you and to provide you with the same first class customer service we have provided others over the years.

"Daniel installed a 30 amp breaker and receptacle for our rv camper. Had a small issue and Daniel fixed it right away. Plan on using him again for some more electrical work in the near future."

Bonnie G on June 2024

Green Wave Electric, Inc., serves the District of Columbia and the Montgomery County area with excellent work at excellent prices. We pride ourselves on our combined experience of over 25 years in meeting our customer's electrical needs. We look forward to working with you and to provide you with the same first class customer service we have provided others over the years.

"Daniel installed a 30 amp breaker and receptacle for our rv camper. Had a small issue and Daniel fixed it right away. Plan on using him again for some more electrical work in the near future."

Bonnie G on June 2024


Avatar for Ewell Home Improvements LLC
Ewell Home Improvements LLC
5835 Shookstown Rd.
4.75(
53
)
Approved Pro
Ewell Home Improvements LLC
5835 Shookstown Rd.
4.75(
53
)
Approved Pro
Customers say: Quality work
13 local quotes requested
20 years of experience

Ewell Builders and Power company: the reliable contractor Serving the greater DMV area, we provide professional construction and electrical services for both residential and commercial clients. Our commitment to transparency ensures that you have all the information you need, leaving no questions unanswered. With years of experience, we've refined our approach to become one of the region's premier service providers. We leverage the latest technology to stay ahead of the competition and deliver top-notch results. Choose Ewell Builders and power company for reliable energy solutions you can count on.

"People are very nice and honest.. Did the work on time and did a good job. I did not like the thermostat that was installed. We are older and could not read the actual temp because it was such small print. It was also very hard to program. They installed the new one and took the time to show me how to use it, at no extra cost. Very happy with their work."

Marvin F on December 2020

Ewell Builders and Power company: the reliable contractor Serving the greater DMV area, we provide professional construction and electrical services for both residential and commercial clients. Our commitment to transparency ensures that you have all the information you need, leaving no questions unanswered. With years of experience, we've refined our approach to become one of the region's premier service providers. We leverage the latest technology to stay ahead of the competition and deliver top-notch results. Choose Ewell Builders and power company for reliable energy solutions you can count on.

"People are very nice and honest.. Did the work on time and did a good job. I did not like the thermostat that was installed. We are older and could not read the actual temp because it was such small print. It was also very hard to program. They installed the new one and took the time to show me how to use it, at no extra cost. Very happy with their work."

Marvin F on December 2020


Avatar for Austin Davis
Austin Davis
32 Traveller Rd
4.89(
9
)
Approved Pro
Austin Davis
32 Traveller Rd
4.89(
9
)
Approved Pro
Customers say: Quick response
1 years of experience

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 the start to the 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.

"Austin did an excellent job with the electric work he was hired for (install lights and several outlets). He was efficient, professional, honest, and polite. I will absolutely hire Austin again for future projects!"

Mary R on March 2025

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 the start to the 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.

"Austin did an excellent job with the electric work he was hired for (install lights and several outlets). He was efficient, professional, honest, and polite. I will absolutely hire Austin again for future projects!"

Mary R on March 2025


Avatar for W B Lightning Rods
W B Lightning Rods
560 Peoples Plaza Unit 234
4.93(
297
)
Approved Pro
W B Lightning Rods
560 Peoples Plaza Unit 234
4.93(
297
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
159 local quotes requested

WB Lightning Rods is a third-generation lightning protection contractor. Family Owned and operated for over 60 years. installing U.L. Listed Lightning protection systems, All Over the East coast, Midwest south east and south west regions of the U.S. Installations on Residential Homes, Estate Properties, Agricultural and Equestrian Properties. Lightning Protection for trees is also available. No job to big or small References upon Request. Contact us today for a no cost or obligation estimate. We look forward to working with you on your Lightning Protection Project. Thank you. **WE ARE NOT ELECTRICIANS** **WE ONLY INSTALL LIGHTNING PROTECTION SYSTEMS **

"Great company, they were fast, friendly, & accommodating. I would definitely use them again."

Jennifer B on October 2024

WB Lightning Rods is a third-generation lightning protection contractor. Family Owned and operated for over 60 years. installing U.L. Listed Lightning protection systems, All Over the East coast, Midwest south east and south west regions of the U.S. Installations on Residential Homes, Estate Properties, Agricultural and Equestrian Properties. Lightning Protection for trees is also available. No job to big or small References upon Request. Contact us today for a no cost or obligation estimate. We look forward to working with you on your Lightning Protection Project. Thank you. **WE ARE NOT ELECTRICIANS** **WE ONLY INSTALL LIGHTNING PROTECTION SYSTEMS **

"Great company, they were fast, friendly, & accommodating. I would definitely use them again."

Jennifer B on October 2024


Avatar for Let There Be Light Electric
Let There Be Light Electric
939 Butts Mill Rd
5.00(
8
)
Approved Pro
Let There Be Light Electric
939 Butts Mill Rd
5.00(
8
)
Approved Pro
17 local quotes requested
1 years of experience

I will do my best to understand your needs and desires and deliver a plan to accomplish them. You can be assured that the job will be done correctly and you will be satisfied when I am finished. Your project is my number one priority! I can be reached at [email protected] or 240-357-8024. I look forward to serving you! Financing available, click below! https://www.hfsfinancial.net/promo/67be84adbe98f89147f17604

"The technician, Justin, came out, promptly to our house and quickly troubleshot our problem. We were very pleased with him as he gave us prompt and timely service. He was also very polite and respectful. We highly recommend his company to others."

Lenny C on May 2025

I will do my best to understand your needs and desires and deliver a plan to accomplish them. You can be assured that the job will be done correctly and you will be satisfied when I am finished. Your project is my number one priority! I can be reached at [email protected] or 240-357-8024. I look forward to serving you! Financing available, click below! https://www.hfsfinancial.net/promo/67be84adbe98f89147f17604

"The technician, Justin, came out, promptly to our house and quickly troubleshot our problem. We were very pleased with him as he gave us prompt and timely service. He was also very polite and respectful. We highly recommend his company to others."

Lenny C on May 2025


Avatar for District-AV, LLC
District-AV, LLC
4550 Montgomery Ave Ste 351N
5.00(
2
)
Approved Pro
District-AV, LLC
4550 Montgomery Ave Ste 351N
5.00(
2
)
Approved Pro
11 local quotes requested
3 years of experience

At District-AV, we design custom audio-visual solutions that seamlessly integrate technology with functionality. We focus on understanding each client’s unique needs to create systems that work effortlessly for them. From smart homes to outdoor entertainment, our expertly tailored designs enhance how our clients live, work, and enjoy their spaces.

At District-AV, we design custom audio-visual solutions that seamlessly integrate technology with functionality. We focus on understanding each client’s unique needs to create systems that work effortlessly for them. From smart homes to outdoor entertainment, our expertly tailored designs enhance how our clients live, work, and enjoy their spaces.

Showing 1-10 of 29

FAQs for generator installation projects in Hagerstown, MD

Installing a whole-house generator costs about $5,000 on average. Prices range from $1,550 to $8,500, depending on size, brand, fuel type, and assembly. The size of your whole-house generator is the most significant cost factor, with large homes with high energy demands costing the most to power. Types of whole-home generators include:

  • Portable generators with 1kW–7.5kW capacity: $500–$2,000

  • Partial generators with 9kW–20kW capacity: $2,000–$6,300

  • Whole-house generators with 22kW–48kW: $5,000–$18,000

When maintained properly, a whole-house generator can last up to 20 years. Costs to maintain and repair generators vary by location and type of generator, but you can expect to pay about $150 to $300 per year for annual generator maintenance checks. An experienced generator service technician will inspect your generator’s engine filter, starting mechanism, fuel, lubrication, and coolant levels to keep your generator in good working condition for as long as possible.

When choosing the right size generator for your needs, consider a few items to help calculate the wattage you’ll need. Start by determining which household items and appliances you want to power, and then add the wattages together. Check out the wattage of these essential appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 watts

Running home appliances like these requires a partial or whole-house generator. A portable generator may be enough to power your home if you only plan to keep a refrigerator and freezer running. 

Here’s what you can run with different wattages and types of generators:

Portable generator:

  • 2,000 watts can handle a large appliance like a freezer or refrigerator, plus a few smaller items like phones or computer chargers. 

  • 4,000 watts will keep two large appliances operating and a few smaller devices.

  • 8,000 watts should power most essential appliances and other devices, including a sump pump, well pump, or your dishwasher.

Partial to whole-house generator:

  • 20,000 watts and above will make it seem like your home’s power is still on.

The value of installing a whole-house generator is that your home has guaranteed power, even if the power grid in your area is down. Whether a whole-house generator is worth installing in your home depends on how often you use it, your home’s location, and your lifestyle. For example, installing a whole-house generator is likely worth it if you:

  • Experience frequent or prolonged power outages

  • Work from home

  • Store a lot of cold food

  • Have a sump pump

  • Have a pump for well water

  • Use electronic medical devices

  • Live in a climate requiring heating or cooling

The Hagerstown, MD homeowners’ guide to generator installations
From average costs to expert advice, get all the answers you need to get your job done.
Generator transfer switch
Feb 10, 2025
Feb 10, 2025
The cost to install a generator transfer switch depends on several factors. Our guide will help you understand all of the costs.
A mother assisting her daughter with homework
Jul 24, 2024
Jul 24, 2024
Keeping on top of generator maintenance and repairs gives you extra peace of mind as a homeowner. Find out how much regular generator maintenance costs.
A portable inverter generator
May 22, 2025
May 22, 2025
The average cost of a whole-house generator falls between $5,000 and $25,000. Keep reading to learn how much you can expect to spend.
Modern country house with lights on at night
Mar 7, 2025
Mar 7, 2025
When the power goes out, your whole house generator can keep your home running if it has enough propane to fuel it. Read our guide to propane use for whole house generators to determine how much you need.
House lit up on snowy night
Jul 1, 2024
Jul 1, 2024
Emergency generators come in many types and sizes to suit various needs. If you’re wondering what size generator to buy, here’s what to consider.
A house generator in the backyard of a house
Apr 1, 2025
Apr 1, 2025
Is a whole-house generator worth it? Discover the key factors influencing ROI and whether it's the right choice for your home.
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