Nerical customizes lifestyle. We facilitate business productivity. You get top-quality workmanship. You experience excellence at competitive prices.


For a free estimate and consultation on any of our services,
Call 240-372-5809 or 240-472-7672 Now!


Our audio, video, computer and network services encompass:

  • Electrical installation (home and commercial)
  • New home wiring
  • New construction or retro-fit (home and commercial)
  • Network and phone system pre-wiring
  • Home network setup
  • Commercial network design and IT services
  • Network additions and deletions (commercial and home)
  • Home security systems
  • Home sound systems and audio distribution
  • Home automation
  • Home theater
  • Home cinema
  • TV mounting (home and commercial)
  • Sales and service

You have chosen a premier provider of residential services

Home sound systems deliver audio and intercom in one – in any rooms you choose. We enable you to browse music libraries, listen to online music services, communicate with any room in the house and answer the front door. They can be retro-fit to your existing home, or we offer comprehensive wiring of new construction.

Home theater design, installation and audio/video integration creates an entertainment experience.

Home cinema brings Cineplex sound and viewing to you for first-class home screening.

New home wiring establishes connectivity now, and we prepare your house for future advancements. Your home is ready for a customized lifestyle of computer networking, whole house sound, remote control of most modern home systems, and home security.

Home automation delivers the automation of your home from a keypad, or a hand-held device – and also remote control when you are away from home. Home automation uses sophisticated technology to simplify life.

Home security systems protect your most important possessions – your family and your home. Burglary is a fact of life. We make your life secure with integrated alarms, sensors, lighting, remote alerts and security video.

Home network setup can be as simple as establishing a LAN to enable shared gaming and printers, to installation of any or all of the audio, video and data services for home connectivity; we handle wired or wireless technology.

We provide electrical installation for home or commercial purposes
We are the only contractor you will need for pre-wiring, retro-fit, design, repair and installation of IT, media, phone and other cabling; and network solutions. We are certified in CompTIA iNet+ and CompTIA A+ training.

TV mounting for homes and commercial concerns includes both wall and ceiling installation, as well as fireplace mounting. Our technicians are proficient in any HDTV LCD, LED and plasma television. We move outlets and wire for your home TV and for commercial TV for displays.

You have chosen the top firm for commercial services

  • New network pre-wiring
  • Phone system wiring
  • Additions, deletions and relocations of phone extensions and network access points
  • Troubleshooting of existing networks and phone systems
  • Repair of existing phone systems and networks
  • Remote support assistance
  • Network and phone system relocation
  • Wireless office solutions
  • Signal booster installation
  • In-office IT service
  • PC sales, media and network equipment with many brands to choose from

We proudly belong to and maintain the standards of CEDIA, the Custom Electronic Design and Installation Association. Our experience establishes our firm as a leader in Maryland and the Metro area. We are committed to competitive pricing while taking the time to fully meet your expectations.


No job is too large or too small for Nerical
Call 240-372-5809 or 240-472-7672 today, for a free consultation and estimate


We are a home and business electronic solutions provider in Potomac, Washington DC, Baltimore, Frederick, Rockville, Chevy Chase, Clarksburg, Gaithersburg, Germantown, Darnestown, Kensington, Laytonsville and Poolesville.