Professional Technology Services for Long Island
From security cameras and network infrastructure to audio, video, and IT support — ET Security delivers expert installations and reliable ongoing service across Queens, Nassau and Suffolk Counties.
Everything We Install & Support
Six specialized service areas — all delivered by the same professional Long Island team.
Security Camera Systems
Professional HD camera system design, installation, and configuration for homes and businesses. Remote viewing, 24/7 recording, motion detection, and scalable NVR solutions.
Network Infrastructure
Structured cabling, managed switches, and enterprise‑grade UniFi Wi‑Fi solutions engineered for reliable performance across homes and businesses.
Audio Systems
Whole-home audio, commercial sound systems, in-ceiling speakers, outdoor audio, and conference room solutions. Designed for clarity and ease of use in every space.
TV Wall Mounting
Professional TV wall mounting with clean, cable‑free installations — including Frame TVs and custom setups for homes and businesses.
AV Rack Design & Installation
Custom AV equipment rack design, build, and installation. Meticulous cable management, power distribution, ventilation, and full system integration.
IT Support & Maintenance
Help desk support, on‑site service calls, troubleshooting, and basic system updates for homes and businesses across Long Island.
Why Long Island Trusts ET Security
We're not just installers — we're your long-term technology partner.
Professional Technicians
Every installation is performed by trained, experienced professionals who take pride in clean, reliable work.
Local Long Island Service
Based in Hauppauge, we serve Queens, Nassau and Suffolk Counties with fast response times and local accountability.
10+ Years of Experience
Over a decade of residential and commercial installations across Long Island — we know what works.
Ongoing Support
We're your long-term technology partner — available for support, maintenance, and upgrades long after installation.
Let's Build the Right Solution for You
Contact ET Security today for a free consultation. We'll assess your needs and design a custom solution for your home or business.