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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon751
    Verified electrical services reviews

Find Electricians in Harmans

Avatar for C H Tel. & TV Co., Inc.

C H Tel. & TV Co., Inc.

4.93(
366
)
Approved Pro

C H Tel. & TV Co., Inc.

4.93(
366
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
45 years of experience

For over 40 years, our goal has been to ensure the complete satisfaction of every customer, while offering knowledgeable and friendly service at affordable rates. Established in 1980, we have gained the experience of being able to provide nearly any type of telephone service, T.V. mounting and attic antenna installation that you require. We are equipped to handle all of your low voltage cabling needs be it voice, data, TV, fiber, or ethernet. Our goal is to stay in touch with any changes in our industry, so that we can always offer you the latest and most current information and services. Our mission is: To serve our customers with the extensive knowledge and expertise we have gained in our industry, while continually offering them the finest in customer service.

"I had a problem with my old landline phone system. First I called Verizon, but their technician could not solve the problem. Then I contacted CH Tel. Charlie called back promptly and sent a technician, Rick, the same day. Rick was very knowledgeable and thorough. He was able to find the problem and install a new line. While he was here he also solved some long-standing problems I had with loose wires and an open phone box. He was also very respectful of my property and did a good job cleaning up after the work. I would highly recommend this company for low-voltage wiring projects."

Christine K on November 2025

For over 40 years, our goal has been to ensure the complete satisfaction of every customer, while offering knowledgeable and friendly service at affordable rates. Established in 1980, we have gained the experience of being able to provide nearly any type of telephone service, T.V. mounting and attic antenna installation that you require. We are equipped to handle all of your low voltage cabling needs be it voice, data, TV, fiber, or ethernet. Our goal is to stay in touch with any changes in our industry, so that we can always offer you the latest and most current information and services. Our mission is: To serve our customers with the extensive knowledge and expertise we have gained in our industry, while continually offering them the finest in customer service.

"I had a problem with my old landline phone system. First I called Verizon, but their technician could not solve the problem. Then I contacted CH Tel. Charlie called back promptly and sent a technician, Rick, the same day. Rick was very knowledgeable and thorough. He was able to find the problem and install a new line. While he was here he also solved some long-standing problems I had with loose wires and an open phone box. He was also very respectful of my property and did a good job cleaning up after the work. I would highly recommend this company for low-voltage wiring projects."

Christine K on November 2025


Avatar for Able Electrical Services Inc

Able Electrical Services Inc

4.92(
425
)
Approved Pro

Able Electrical Services Inc

4.92(
425
)
Approved Pro
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
27 years of experience

Able Electrical Services Inc provides electrical services for both residential and commercial customers. We take great pride in providing the highest level of professional electrical services to each and every job we perform at the most reasonable costs possible. Our goal is to go above and beyond our customers' expectations. In fact, we are so confident in the quality of our work that unlike most other electrical contractors, we provide a 6 month warranty on our work. We have 37 years of experience in the business and are able to provide virtually any type of electrical service you need.

"Really great job, quality team and service!"

Brian E on September 2022

Able Electrical Services Inc provides electrical services for both residential and commercial customers. We take great pride in providing the highest level of professional electrical services to each and every job we perform at the most reasonable costs possible. Our goal is to go above and beyond our customers' expectations. In fact, we are so confident in the quality of our work that unlike most other electrical contractors, we provide a 6 month warranty on our work. We have 37 years of experience in the business and are able to provide virtually any type of electrical service you need.

"Really great job, quality team and service!"

Brian E on September 2022


Avatar for Wolf Electric LLC

Wolf Electric LLC

5.00(
56
)
Approved Pro

Wolf Electric LLC

5.00(
56
)
Approved Pro
Customers say: Quick response
1 years of experience
Free onsite estimate

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.

"Alex was responsive and very professional! Our new kitchen lights look amazing and the light fixture repairs and replacements in the basement helped us create a beautiful and safe space! Thank you!"

Katie W on December 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 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.

"Alex was responsive and very professional! Our new kitchen lights look amazing and the light fixture repairs and replacements in the basement helped us create a beautiful and safe space! Thank you!"

Katie W on December 2025


Avatar for Wireworx Electric Inc

Wireworx Electric Inc

4.96(
139
)
Approved Pro

Wireworx Electric Inc

4.96(
139
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
20 years of experience

Wireworx Electric Inc. We specialize in all aspects of the electrical trade. Residential & Commercial. We take pride in everything that we do, and are certain that you'll be 100% satisfied. All work initiated by owner/ master electrician. No salesman. Excellent references, hundreds of satisfied customers. Please call today for your FREE ESTIMATE! 10% discount for senior citizens & retired military. Licensed & Insured.

"Hired them to install a lock-out kit on my circuit breaker panel, an outside outlet to connect my generator, and a power-back alarm. The owner, Chris, arrived on time to do the quote and was very clear and helpful. The installers also were prompt, did an excellent installation, simulated a power outage, and showed my how to switch the whole house over to the generator. "

Mark B on November 2025

Wireworx Electric Inc. We specialize in all aspects of the electrical trade. Residential & Commercial. We take pride in everything that we do, and are certain that you'll be 100% satisfied. All work initiated by owner/ master electrician. No salesman. Excellent references, hundreds of satisfied customers. Please call today for your FREE ESTIMATE! 10% discount for senior citizens & retired military. Licensed & Insured.

"Hired them to install a lock-out kit on my circuit breaker panel, an outside outlet to connect my generator, and a power-back alarm. The owner, Chris, arrived on time to do the quote and was very clear and helpful. The installers also were prompt, did an excellent installation, simulated a power outage, and showed my how to switch the whole house over to the generator. "

Mark B on November 2025


"We had a great experience with them! Super communicative, great price and super quick. Highly recommend"

Lucie B on December 2024

Duke's Electrical Services is a small, family owned and operated business. The owner, a master electrician, preformes all the work personally to ensure the highest quality workmanship.

"We had a great experience with them! Super communicative, great price and super quick. Highly recommend"

Lucie B on December 2024


Avatar for GAC Services

GAC Services

4.86(
268
)
Approved Pro

GAC Services

4.86(
268
)
Approved Pro
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
55 years of experience

GAC Services is a residential cooling, heating, and electrical contractor setting new standards in the Maryland HVAC and electric market. Since 1970, we’ve developed a strong reputation for providing the Montgomery County and Frederick County areas with reliable cooling and heating services. In 2014, we expanded our service offerings to include electrical services—allowing us to offer our customers the same great service in a new area of business. Additional DBA: Gaithersburg Heating & Cooling

"Highly professional, knowledgeable and well behaved technician. Prices offered were good too. I definitely recommend the company."

Deepak U on February 2025

GAC Services is a residential cooling, heating, and electrical contractor setting new standards in the Maryland HVAC and electric market. Since 1970, we’ve developed a strong reputation for providing the Montgomery County and Frederick County areas with reliable cooling and heating services. In 2014, we expanded our service offerings to include electrical services—allowing us to offer our customers the same great service in a new area of business. Additional DBA: Gaithersburg Heating & Cooling

"Highly professional, knowledgeable and well behaved technician. Prices offered were good too. I definitely recommend the company."

Deepak U on February 2025


C T Smith Electrical Services, LLC

4.87(
289
)
Approved Pro

C T Smith Electrical Services, LLC

4.87(
289
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
25 years of experience

Locally owned and owner operated. Quality Workmanship on every job! Carl Smith has over 25 years of experience and established C T Smith Electrical Service, LLC.Trained Pro's on every job.

"The gentlemen that came to work were very professional and when I moved forward with the project, they were fast and efficient. I initially wanted just the EV charger installed and requested additional work done."

eric r on April 2025

Locally owned and owner operated. Quality Workmanship on every job! Carl Smith has over 25 years of experience and established C T Smith Electrical Service, LLC.Trained Pro's on every job.

"The gentlemen that came to work were very professional and when I moved forward with the project, they were fast and efficient. I initially wanted just the EV charger installed and requested additional work done."

eric r on April 2025


Avatar for Haas and Sons Electric Inc

Haas and Sons Electric Inc

4.85(
122
)
Approved Pro

Haas and Sons Electric Inc

4.85(
122
)
Approved Pro
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
9 years of experience

We specialize in home repairs and projects, providing you with solutions from basic to long-lasting so that we can ensure that we not only fit the budget but provide safety and comfort for your family. Haas & Sons is a small, family-operated business based in Millersville, Maryland, serving Anne Arundel, Howard, and surrounding counties. Our certified Electricians undergo constant training to provide you with quality work, excellent warranties, and fantastic service. What to expect with Haas & Sons- A company you can trust, Marked Vehicles, Uniformed and trained Techs, Constant communication, and Upfront pricing, all with a friendly smile.

"Outstanding Service from Technicians Dennis and David, Haas and Sons Electric!!! We hired Haas and Sons Electric at 8:30am on 12/15/25. They responded, scheduled and completed the work before 2PM the same day. Haas and Sons Electric addressed a wiring issue related to the doorbell / security camera. Dennis and David were exceptional! They called while enroute and arrived promptly as scheduled for the appointment. They immediately demonstrated high levels of professionalism and knowledge about our electrical issue: Dennis answered all our questions and patiently walked us through their diagnostic process. He also clearly explained the factors related to the wiring connection between the doorbell wiring by the builder (of the home) and the security camera equipment installation related to the root cause of the issue. The quality of work was superb. David replaced the doorbell system and all its necessary equipment components efficiently and ensured all new wiring was up to code, meticulously cleaning the work areas afterward. We appreciated their honest approach and made recommendations for future maintenance without any sales pressure. We are extremely satisfied with the results and will use Haas and Sons Electric for all future electrical needs. In my entire community, Haas and Sons Electric are highly recommended for their expertise, integrity, and excellent customer service."

Tee T on December 2025

We specialize in home repairs and projects, providing you with solutions from basic to long-lasting so that we can ensure that we not only fit the budget but provide safety and comfort for your family. Haas & Sons is a small, family-operated business based in Millersville, Maryland, serving Anne Arundel, Howard, and surrounding counties. Our certified Electricians undergo constant training to provide you with quality work, excellent warranties, and fantastic service. What to expect with Haas & Sons- A company you can trust, Marked Vehicles, Uniformed and trained Techs, Constant communication, and Upfront pricing, all with a friendly smile.

"Outstanding Service from Technicians Dennis and David, Haas and Sons Electric!!! We hired Haas and Sons Electric at 8:30am on 12/15/25. They responded, scheduled and completed the work before 2PM the same day. Haas and Sons Electric addressed a wiring issue related to the doorbell / security camera. Dennis and David were exceptional! They called while enroute and arrived promptly as scheduled for the appointment. They immediately demonstrated high levels of professionalism and knowledge about our electrical issue: Dennis answered all our questions and patiently walked us through their diagnostic process. He also clearly explained the factors related to the wiring connection between the doorbell wiring by the builder (of the home) and the security camera equipment installation related to the root cause of the issue. The quality of work was superb. David replaced the doorbell system and all its necessary equipment components efficiently and ensured all new wiring was up to code, meticulously cleaning the work areas afterward. We appreciated their honest approach and made recommendations for future maintenance without any sales pressure. We are extremely satisfied with the results and will use Haas and Sons Electric for all future electrical needs. In my entire community, Haas and Sons Electric are highly recommended for their expertise, integrity, and excellent customer service."

Tee T on December 2025


Avatar for Three Brothers Services, LLC

Three Brothers Services, LLC

4.97(
57
)
Approved Pro

Three Brothers Services, LLC

4.97(
57
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
16 years of experience

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We have many years of experience to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced with close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! Licensed & Bonded Maryland Home Improvement #141947 Maryland Master Electrician #14130 Virginia Master Electrician #2710073038

"Three Brothers is the best. We have hired Saul and team for several electrical projects both big and small over the past few years. They have never disappointed. Highly recommend for any electrical needs."

David G on July 2023

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We have many years of experience to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced with close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! Licensed & Bonded Maryland Home Improvement #141947 Maryland Master Electrician #14130 Virginia Master Electrician #2710073038

"Three Brothers is the best. We have hired Saul and team for several electrical projects both big and small over the past few years. They have never disappointed. Highly recommend for any electrical needs."

David G on July 2023


Avatar for Haas & Sons Electric, Inc.

Haas & Sons Electric, Inc.

4.80(
147
)
Approved Pro

Haas & Sons Electric, Inc.

4.80(
147
)
Approved Pro
Customers say: Quick response
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers
11 years of experience

We are performing work as normal so feel free to reach out about your project or repair! During these times are following safe practices for both your family and our workers. We specialize in home repairs and projects, providing you solutions from basic to long-lasting so that we can ensure that we not only fit the budget but provide safety and comfort for your family. Haas & Sons is a small, family-operated business based out of Pasadena Maryland, serving Anne Arundel, Howard, and surrounding counties. Our certified Electricians go through constant training to be able to provide you with quality work, great warranties, and amazing service. What to expect with Haas & Sons- A company you can trust, Marked Vehicles, Uniformed and trained Techs, Constant communication, Upfront pricing, all with a friendly smile.

"Very good job."

Fred D on May 2024

We are performing work as normal so feel free to reach out about your project or repair! During these times are following safe practices for both your family and our workers. We specialize in home repairs and projects, providing you solutions from basic to long-lasting so that we can ensure that we not only fit the budget but provide safety and comfort for your family. Haas & Sons is a small, family-operated business based out of Pasadena Maryland, serving Anne Arundel, Howard, and surrounding counties. Our certified Electricians go through constant training to be able to provide you with quality work, great warranties, and amazing service. What to expect with Haas & Sons- A company you can trust, Marked Vehicles, Uniformed and trained Techs, Constant communication, Upfront pricing, all with a friendly smile.

"Very good job."

Fred D on May 2024

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Electrical questions, answered by experts

Amps describe the amount of energy that can flow through a circuit breaker. Every electrical device that’s attached to the breaker requires about 1.5 amps. While that equates to roughly 13 receptacles per 20 amps, using slightly fewer ensures that your circuit will always have enough energy for sudden power surges instead of tripping when one occurs. In general, 10 to 12 receptacles is recommended for a 20 amp circuit.

Choosing between 12- or 14-gauge wire for your house depends on the electrical requirements of the circuit. A 12-gauge wire is thicker and can handle more power, making it better suited for devices such as kitchen appliances, air conditioning units, or electric heaters.

A 14-gauge wire is thinner and can handle less electrical current than a 12-gauge wire. It's ideal for circuits with lower power requirements, such as lighting or general-purpose outlets in bedrooms or living rooms.

To ensure batteries stop charging when they’re full, you’ll need to install a charge controller that determines when the battery is full. Once the battery is fully charged, the charge controller will stop the energy flow or divert the energy to the grid or other appliances. Without a charge controller, the battery may continue to charge, which can lead to less productivity and potential damage.

Replacing a standard outlet costs anywhere from $3 to $5 each for the material alone and an additional $9 to $35 per outlet for labor. This means you’ll pay around $11 to $40 per outlet overall. High-voltage outlets and GFCI outlets could cost up to $50 apiece. If you're replacing all of the outlets in your home, you could pay closer to between $900 and $3,000.

The best place to put an electrical outlet depends on your needs. A good rule of thumb is to install outlets every 6 feet in large rooms. Hallways over 10 feet long need one electrical outlet minimum. 

If you find yourself needing extra plug-ins for all of your gadgets, you may want to increase the number of electrical outlets in your room. When adding outlets, keep in mind that older homes could have outdated electrical panels. In these cases, you may need a pro to upgrade you from 100-amp to 200-amp service before increasing the power load.

The Harmans, MD homeowners’ guide to electrical services

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

What do you need done? We’ll find top pros.
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