Proudly serving Greenbelt and the surrounding areas of Prince George’s, Montgomery, Howard, and Anne Arundel counties Maryland. Our team of licensed and experienced master electricians are dedicated to delivering the highest quality workmanship. We stay up-to-date with the latest industry standards and best practices, so you can trust us to provide safe and efficient electrical solutions for your home. We believe in open communication and transparency throughout every project. Our friendly and responsive staff is here to answer your questions, address your concerns, and guide you through the process, from your initial service call to the completion of your project. Call or visit us online to schedule an appointment today!
"Top rate Company, they replaced my electrcal panel and did my pool bonding in Sept 2024. Ryan the Electrician was very professional, prompt and explained everything in detail. The permit inspector said whoever replaced my panel did a great job, did not cut corners. I would highly recommend using them."
Teresa C on October 2024
Proudly serving Greenbelt and the surrounding areas of Prince George’s, Montgomery, Howard, and Anne Arundel counties Maryland. Our team of licensed and experienced master electricians are dedicated to delivering the highest quality workmanship. We stay up-to-date with the latest industry standards and best practices, so you can trust us to provide safe and efficient electrical solutions for your home. We believe in open communication and transparency throughout every project. Our friendly and responsive staff is here to answer your questions, address your concerns, and guide you through the process, from your initial service call to the completion of your project. Call or visit us online to schedule an appointment today!
"Top rate Company, they replaced my electrcal panel and did my pool bonding in Sept 2024. Ryan the Electrician was very professional, prompt and explained everything in detail. The permit inspector said whoever replaced my panel did a great job, did not cut corners. I would highly recommend using them."
Teresa C on October 2024
One Source Systems is one of the premier custom integrators in the greater Washington D.C. area. We are focused on an elevated client experience and meeting your needs for Smart Home design, including experiential elements such as lighting, shades and incredible dedicated theater and Audio/Video solutions. With over 10 years of experience in the audio industry, we are the experts you need to take care of your home or business. We will treat your home as we would treat our own. Give One Source a call today - we look forward to working with you!
"They stayed all day arriving at like 10:00am to get the job done and didn’t leave until like 11:30pm"
Steve B on July 2021
One Source Systems is one of the premier custom integrators in the greater Washington D.C. area. We are focused on an elevated client experience and meeting your needs for Smart Home design, including experiential elements such as lighting, shades and incredible dedicated theater and Audio/Video solutions. With over 10 years of experience in the audio industry, we are the experts you need to take care of your home or business. We will treat your home as we would treat our own. Give One Source a call today - we look forward to working with you!
"They stayed all day arriving at like 10:00am to get the job done and didn’t leave until like 11:30pm"
Steve B on July 2021
We offer over 30 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as wiring and panel upgrades and a variety of other jobs. Were committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.
"Very, good … Glen was courteous and focused. He was honest and did what he said he was going to do. We got the problem solved."
Frank G on June 2022
We offer over 30 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as wiring and panel upgrades and a variety of other jobs. Were committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.
"Very, good … Glen was courteous and focused. He was honest and did what he said he was going to do. We got the problem solved."
Frank G on June 2022
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
At PowerWorks in Prince George’s County, MD, we are proud to offer a wide variety of services to suit your needs. Each service will be completed by our Master Electrician, so you know your project is in good hands.
"PowerWorks LLC is an exceptional company! I really can’t say enough about this contractor. Very organized with scheduling and billing. Licensed electricians. Very prompt. Work expected was performed exceptionally and unexpected issues encountered resolved confidently and competently. Pricing was also reasonable. Highly recommend PowerWorks LLC. Belvin and Chuck were “no pressure great people”to work with."
Peggy A on April 2025
At PowerWorks in Prince George’s County, MD, we are proud to offer a wide variety of services to suit your needs. Each service will be completed by our Master Electrician, so you know your project is in good hands.
"PowerWorks LLC is an exceptional company! I really can’t say enough about this contractor. Very organized with scheduling and billing. Licensed electricians. Very prompt. Work expected was performed exceptionally and unexpected issues encountered resolved confidently and competently. Pricing was also reasonable. Highly recommend PowerWorks LLC. Belvin and Chuck were “no pressure great people”to work with."
Peggy A on April 2025
Mr. Electric of Bethesda is the top notch company for all of your service and repair needs We focus on quality, professionalism, and skill. We take pride in our client retention by providing you the best service available. Call us today, we look forward in working for you!
"Incredible job upgrading an electrical panel, and at a very competitive price for the area."
Eddie G on March 2025
Mr. Electric of Bethesda is the top notch company for all of your service and repair needs We focus on quality, professionalism, and skill. We take pride in our client retention by providing you the best service available. Call us today, we look forward in working for you!
"Incredible job upgrading an electrical panel, and at a very competitive price for the area."
Eddie G on March 2025
Chesapeake Electric is a full-service company and have a Friendly Expert Staff. Whether you require an emergency electrician or have an in-depth electrical project, youll be happy you called Chesapeake Electric. Ryan & Chesapeake Electric Electricians work directly with you from design through implementation, so you will always know what work is being done and why. There's no doubt that even small electrical projects can be challenging. Whether you need to repair a damaged outlet, upgrade an electrical panel, or even rewire your whole house, you cannot do it without a professional electrician and the correct equipment. With the help of a skilled master electrician from Chesapeake Electric, you can finally get the work done correctly and on schedule. There are several advantages to choosing our licensed electrical contractor over other options in Annapolis, Maryland and the surrounding area.
"Very satisfied service provided. Technicians were very knowledgeable, respectful, efficient and understanding . It was pleasant to feel more than just a client."
Paul C on April 2025
Chesapeake Electric is a full-service company and have a Friendly Expert Staff. Whether you require an emergency electrician or have an in-depth electrical project, youll be happy you called Chesapeake Electric. Ryan & Chesapeake Electric Electricians work directly with you from design through implementation, so you will always know what work is being done and why. There's no doubt that even small electrical projects can be challenging. Whether you need to repair a damaged outlet, upgrade an electrical panel, or even rewire your whole house, you cannot do it without a professional electrician and the correct equipment. With the help of a skilled master electrician from Chesapeake Electric, you can finally get the work done correctly and on schedule. There are several advantages to choosing our licensed electrical contractor over other options in Annapolis, Maryland and the surrounding area.
"Very satisfied service provided. Technicians were very knowledgeable, respectful, efficient and understanding . It was pleasant to feel more than just a client."
Paul C on April 2025
Welcome to Best Electrical Services, LLC.!
"They were quick worked well and got the job done with all the electrical work i needed excellent customer service as well!!"
James g on April 2025
Welcome to Best Electrical Services, LLC.!
"They were quick worked well and got the job done with all the electrical work i needed excellent customer service as well!!"
James g on April 2025
At Lou Electrical Contracting LLC, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote. .
"Lou was very prompt and kept me appraised of his status in arriving. He was reasonable in price."
Amy D on December 2024
At Lou Electrical Contracting LLC, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote. .
"Lou was very prompt and kept me appraised of his status in arriving. He was reasonable in price."
Amy D on December 2024
With over 120 years of experience serving the Maryland, Northern Virginia, and Washington, D.C. regions, the John C. Flood team has earned a reputation for providing excellent repair, service, and installation for HVAC, plumbing, electrical, and home remodeling. If you are looking for an HVAC contractor, plumber, electrician, or remodeling crew in the Maryland, Northern Virginia, or metro D.C. regions, trust John C. Flood to take care of the job. We've been serving our customers with the best repair and installation services and are available with regular rates 7 days a week. Our goal is to keep you and your family comfortable throughout the year, and you can count on us to do the job right the first time. Learn more about the services we offer or contact us online.
"The tech did a fantastic job."
John K on April 2025
With over 120 years of experience serving the Maryland, Northern Virginia, and Washington, D.C. regions, the John C. Flood team has earned a reputation for providing excellent repair, service, and installation for HVAC, plumbing, electrical, and home remodeling. If you are looking for an HVAC contractor, plumber, electrician, or remodeling crew in the Maryland, Northern Virginia, or metro D.C. regions, trust John C. Flood to take care of the job. We've been serving our customers with the best repair and installation services and are available with regular rates 7 days a week. Our goal is to keep you and your family comfortable throughout the year, and you can count on us to do the job right the first time. Learn more about the services we offer or contact us online.
"The tech did a fantastic job."
John K on April 2025
A whole-house surge protector blocks voltage spikes from lightning, grid issues, or even large appliances before they can fry your wiring or electronics. By diverting excess current at the main panel, it shields everything from your HVAC to your phone chargers and can extend the life of pricey appliances. Homeowners in storm-prone regions or with older panels see the biggest payoff, but any home that relies on sensitive electronics benefits.
Most whole-house surge protectors work for two to three years. Low-level spikes—too small to notice—hit your panel every day and slowly wear down the internal components. Once the unit’s capacity is depleted, it can’t prevent a larger surge, so plan to replace it on schedule (or sooner if a major lightning strike occurs) to keep your electronics and HVAC equipment safe.
A surge protector begins guarding your circuits the moment an electrician snaps it into place. Whether the spike originates from a nearby lightning strike or your fridge kicking on, the protector shunts the extra current to ground before it can reach outlets or hard-wired systems, such as your AC. That instant response is why a small upfront cost can save thousands in appliance repairs.
The unit mounts on or next to your main electrical panel. Type 1 models sit on the supply side, catching outside spikes before they hit the breaker. Type 2 devices snap inside the panel and tame surges that start within the house. Either way, placement at the panel lets the protector guard every circuit at once.
Plan to swap the device every three to five years—or sooner if you upgrade your panel, add high-demand appliances, or notice flickering lights and tripped breakers. Relying on a maze of power strips is another red flag that your current setup isn’t keeping up. Replacing the surge protector at these milestones keeps your electrical system on safe footing.