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 take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer need. 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.
We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer need. 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.
When you call GLEC, you get a master electrician providing you the highest quality work at a fraction of the cost. You are losing out big time when calling a large electrical company! They will send an unqualified employee, and you will pay the overhead for them to learn on your property. We at Green Light Electrical Contractors strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction.
"Ryan was on time and a great worker, couldn't recommend him and his company enough!"
David H on March 2025
When you call GLEC, you get a master electrician providing you the highest quality work at a fraction of the cost. You are losing out big time when calling a large electrical company! They will send an unqualified employee, and you will pay the overhead for them to learn on your property. We at Green Light Electrical Contractors strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction.
"Ryan was on time and a great worker, couldn't recommend him and his company enough!"
David H on March 2025
With over 10 years of experience in the electrical industry, we are the service professionals you need to take care of your home or business. We handle all types of electrical projects. We will treat your home as we would treat our own. Give Multi MG Services a call today, we look forward to working with you!
"Everything was fantastic, I was very satisfied with the work - I am really in love with the lights that they installed. I would highly recommend this company to friends and family or anybody that wants to hire an electrician."
Homeowner on September 2022
With over 10 years of experience in the electrical industry, we are the service professionals you need to take care of your home or business. We handle all types of electrical projects. We will treat your home as we would treat our own. Give Multi MG Services a call today, we look forward to working with you!
"Everything was fantastic, I was very satisfied with the work - I am really in love with the lights that they installed. I would highly recommend this company to friends and family or anybody that wants to hire an electrician."
Homeowner on September 2022
Nericall LLC offers a wide array of home automation/home theater and A/V services. We will customize it to the client's specific needs. An initial estimate is done and a custom proposal is prepared for the customer depending on needs, recommendations and budget.
"Easily one of the most skilled and comprehensive home automation/electronics installer in the area. Been working with Cristian for over a decade now on various projects. Always dependable. Always gets the job done. Highly skilled."
Ahmed B on June 2024
Nericall LLC offers a wide array of home automation/home theater and A/V services. We will customize it to the client's specific needs. An initial estimate is done and a custom proposal is prepared for the customer depending on needs, recommendations and budget.
"Easily one of the most skilled and comprehensive home automation/electronics installer in the area. Been working with Cristian for over a decade now on various projects. Always dependable. Always gets the job done. Highly skilled."
Ahmed B on June 2024
I am passionate about and take pride in my craft. Our philosophy is to treat your home or place of business as if it were our own. If you are not satisfied with our service, please contact me or our Service Manager, Rob, because our goal is your satisfaction. We want you as a customer for life, not just to make a quick buck. Call us today at 571.525.2823, as we look forward to discussing your electrical needs. Regards, Shauwn Collins, Owner
"Robert did my work, he was very thorough, very detailed. This guy is a rock star! Will definitely use them again in the future!"
TROY P on September 2024
I am passionate about and take pride in my craft. Our philosophy is to treat your home or place of business as if it were our own. If you are not satisfied with our service, please contact me or our Service Manager, Rob, because our goal is your satisfaction. We want you as a customer for life, not just to make a quick buck. Call us today at 571.525.2823, as we look forward to discussing your electrical needs. Regards, Shauwn Collins, Owner
"Robert did my work, he was very thorough, very detailed. This guy is a rock star! Will definitely use them again in the future!"
TROY P on September 2024
When you have an electrical or plumbing issue, you want it solved quickly for the safety and comfort of you and your family. Our technicians genuinely care about our customers, which is one of the reasons why we have been a trusted electrical and plumbing services company in the area for the past 20+ years. Our technicians have well stocked trucks and are able to do most repairs the same day. We offer 5-star service, same-day services, upfront pricing, as well as various financing options. Our technicians are highly trained and confident in their skills and ability to handle any electrical and plumbing issue in your home and stand behind all our recommended repairs.
"Very good service"
Ed W on October 2024
When you have an electrical or plumbing issue, you want it solved quickly for the safety and comfort of you and your family. Our technicians genuinely care about our customers, which is one of the reasons why we have been a trusted electrical and plumbing services company in the area for the past 20+ years. Our technicians have well stocked trucks and are able to do most repairs the same day. We offer 5-star service, same-day services, upfront pricing, as well as various financing options. Our technicians are highly trained and confident in their skills and ability to handle any electrical and plumbing issue in your home and stand behind all our recommended repairs.
"Very good service"
Ed W on October 2024
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.
"Tri State was prompt—they had a tech out within hours when our 20-year-old HVAC broke down. The repair estimate was $800–$1,200, and they also sent a salesman, Mike, to discuss replacement. Mike was courteous and knowledgeable, but, when we sat down to review the quote, the sales process turned into a bad car-buying experience. They started at $34,000, then "discounted" to $29,300—$10,000 -$12,000 higher than other quotes for the exact same unit. Even factoring in their warranty, they remained $8,000–$10,000 overpriced. Mike also claimed they were a four-generation family-owned business, but I later found out they’re owned by Sila Services, a Goldman Sachs private equity firm—which feels misleading. To their credit, canceling was easy (though I hadn’t signed a financing agreement or put money down). Bottom line: Get multiple quotes. Their pricing was excessive, and the sales tactics felt manipulative."
STUART K on March 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.
"Tri State was prompt—they had a tech out within hours when our 20-year-old HVAC broke down. The repair estimate was $800–$1,200, and they also sent a salesman, Mike, to discuss replacement. Mike was courteous and knowledgeable, but, when we sat down to review the quote, the sales process turned into a bad car-buying experience. They started at $34,000, then "discounted" to $29,300—$10,000 -$12,000 higher than other quotes for the exact same unit. Even factoring in their warranty, they remained $8,000–$10,000 overpriced. Mike also claimed they were a four-generation family-owned business, but I later found out they’re owned by Sila Services, a Goldman Sachs private equity firm—which feels misleading. To their credit, canceling was easy (though I hadn’t signed a financing agreement or put money down). Bottom line: Get multiple quotes. Their pricing was excessive, and the sales tactics felt manipulative."
STUART K on March 2025
Voted Best service for over 50 years. Our trained experienced electricians can offer you a full range electrical work from expert troubleshooting & repair of electrical systems, installation of new outlets, switches, lighting and other electrical installation services. Whether it is one light fixture or a comprehensive wiring service upgrade or Heavy-Up, we have the necessary tools, knowledge and experience to turn your plan into reality. For immediate service or help answering any questions, please don't hesitate to call 301-622-1777 or email us directly. service@hymanelectric.com
"Bill's team arrived on time, was courteous and professional."
Bill B on December 2024
Voted Best service for over 50 years. Our trained experienced electricians can offer you a full range electrical work from expert troubleshooting & repair of electrical systems, installation of new outlets, switches, lighting and other electrical installation services. Whether it is one light fixture or a comprehensive wiring service upgrade or Heavy-Up, we have the necessary tools, knowledge and experience to turn your plan into reality. For immediate service or help answering any questions, please don't hesitate to call 301-622-1777 or email us directly. service@hymanelectric.com
"Bill's team arrived on time, was courteous and professional."
Bill B on December 2024
Family owned and operated Electrical contracting company, servicing residential and commercial clients. Specializing in back-up generators, full rehabs, remodels and additions. We also have bucket truck service available. We are Licensed and insured in most metropolitan cities and counties in Maryland, DC, Va. Minimum service charge applies per service call.
"Larry and his crew upgraded our under cabinet lighting with new LED lighting, and specialized outlet. Not only was our home and its contents treated as if they lived here, the job was done professionally. So much so, that the only issue we had was when the switch/outlet face plate screws came loose. I didn’t even bother calling Larry, I tightened them myself. The lighting is on, literally 24 hours per day since the install, with zero issues. Love these guys."
Chris F on December 2024
Family owned and operated Electrical contracting company, servicing residential and commercial clients. Specializing in back-up generators, full rehabs, remodels and additions. We also have bucket truck service available. We are Licensed and insured in most metropolitan cities and counties in Maryland, DC, Va. Minimum service charge applies per service call.
"Larry and his crew upgraded our under cabinet lighting with new LED lighting, and specialized outlet. Not only was our home and its contents treated as if they lived here, the job was done professionally. So much so, that the only issue we had was when the switch/outlet face plate screws came loose. I didn’t even bother calling Larry, I tightened them myself. The lighting is on, literally 24 hours per day since the install, with zero issues. Love these guys."
Chris F on December 2024
Because installing coax outlets involves working around existing electrical wiring and confirming proper grounding, many homeowners prefer to hire a licensed electrician. A professional completes the work safely, secures the line behind the wall, and ensures the installation meets local code, which reduces the risk of damage or future repairs.
You still need a coaxial outlet for most cable-based internet services. The modem draws its signal from a cable line that terminates at a dedicated wall jack. Once the modem is online, your Wi-Fi router can broadcast the signal throughout the home, so the outlet’s location doesn’t affect wireless performance. If an existing jack is damaged or in an inconvenient spot, an electrician can move it or install a new one to maintain a strong, reliable connection.
Coaxial cable loses signal strength the farther it runs. A 50-foot length introduces noticeable loss, and a 100-foot stretch can drop the signal by roughly 30%. A weaker signal can result in a fuzzy picture or slower internet speeds. To maintain high performance, limit cable length whenever possible, select the correct cable grade, and route it efficiently. If your layout demands an exceptionally long run, an electrician can install an inline amplifier to boost the signal and maintain picture or data quality.