We are the Washington DC area's premiere Commercial and Residential low-voltage installers that specialize in security and fire alarm systems, monitoring, networking, structured wiring, home theater, audio/video distribution and home/shade automation. There's no job too big or too small for us, that's why we've been around for more than 40 years! We install and Mount TV's, security alarm systems, automation systems, automated shading and provide monthly monitoring service, closed circuit cameras, wireless network optimization, and we can wire it all too! No more hanging wires or left over holes!
Website: poseidonsystems.net
Phone: (301) 799-4646
Open now
- Thu 9:00 AM - 5:00 PM
Washington, DC 20009 ·145.69 mi
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Reviews
yelpAlex and Poseidon are the best vendor I've used in D.C. -- PERIOD! Fast, reliable and responsive. When I had an manufacturer caused issue with hardware they installed 2 years ago, Alex was...
MoreExcellent and prompt service for Internet and TV connections When a small problem arose the team, particularly Alex, was outstanding in resolving promptly
MoreAlex mounted a big screen tv for us. He was on time, extremely professional and did an outstanding job. Highly recommend.
MoreHighly recommend Poseidon Systems. Alex installed a Samsung Frame TV flush against our wall with all wires hidden. The studs in our wall were not regularly spaced but Alex quickly identified a...
MoreAlex is super professional and always gets back to you really quickly, making communication a breeze and ensuring everything runs smoothly.
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