Our Trusted Partners
Code-compliant fire alarm installation, 24/7 monitoring, and full-service AV & security systems for homes and businesses across Nassau & Suffolk County.
Why Island AVNS?
Fire alarm systems aren't optional — they're the law. Island AVNS designs, installs, and services NFPA 72-compliant fire alarm systems for commercial buildings, multi-family residences, schools, and more throughout Nassau and Suffolk County.
From addressable panel systems to conventional detectors and suppression integrations, we handle every phase — design, permitting, installation, testing, and annual inspections.
From life safety systems to entertainment and networking — Island AVNS handles it all for homes and businesses across Long Island.
Burglary, intrusion, and security alarm installation with 24/7 professional monitoring.
View ServiceHD surveillance camera systems for indoor and outdoor property monitoring.
View ServiceKeycard, fob, and keypad entry systems to control who enters your building.
View ServiceSmart home integration — lighting, thermostats, locks, and security all controlled from one app.
View ServiceCustom home theater design and installation — projectors, screens, surround sound, and more.
View ServiceWhole-home and commercial audio distribution — music everywhere, controlled from one app.
View ServiceProfessional AV systems for boardrooms, meeting spaces, and training rooms.
View ServiceCommercial display systems, video walls, and digital signage for retail, hospitality, and offices.
View ServiceStructured cabling, Wi-Fi infrastructure, and telephone system installation.
View ServiceIsland AVNS is an authorized dealer and certified installer for three of the most powerful security platforms available. We don't just sell these systems — we stand behind them.
Cloud-Based Access Control
Brivo is the industry's leading cloud-based access control platform. No on-site servers — manage every door, credential, and user from any device, anywhere in the world.
NFPA 72 Fire Alarm Systems
Potter Electric Signal is one of the most respected names in fire alarm manufacturing. As a certified Potter installer, Island AVNS designs and services Potter systems for commercial and institutional properties across Long Island.
Cloud-Managed Security Platform
Verkada is the leading enterprise security platform — cameras, access control, alarms, and environmental sensors all managed from a single cloud dashboard. No DVRs, no NVRs, no maintenance headaches.
Island AVNS is Long Island's #1 choice for AV and alarm systems. Based in Holtsville, we serve all of Suffolk and Nassau County — from small businesses to large commercial buildings.
We're not a national chain. We're local, licensed, and we answer the phone. Call us at (631) 886-7100 — 24 hours a day, 7 days a week.
Request a Free SurveyTrusted by homeowners and businesses across Nassau & Suffolk County.
"I was so impressed with Island AVNS! They installed my security cameras in my business and were so meticulous with all installations. PJ is the absolute best at what he does, he goes above and beyond for his clients and makes sure the job is done as quick as possible! I will definitely be returning to Island AVNS!!"
"They installed the security system in our office building, the audio/video in the conference rooms and the cameras on the building. It all just works. They were professional, courteous, reasonably priced and they completed the job on time — We would definitely recommend them to anyone."
"AVNS installed a fire alarm in my building after we had many problems with our old alarm service provider. I was shocked with how fast the work was completed and the quality of work was over the top."
"Was referred to Island AVNS by a friend who was extremely satisfied with their service. PJ came by and gave us a very reasonable quote on a fire alarm system. I could not have been happier with the work they performed. 10/10 would recommend to anyone. Professional, Reasonable Pricing & EXCEPTIONAL customer service."
"Just had a new camera system installed and it is awesome!! I highly recommend Island AVNS!! The owner PJ really knows his business!!"
"Fantastic customer service and great knowledge of the products that you need for your home. There was some criminal activity on my block that personally made me nervous but thanks to the help of Island AVNS I can now view any activity at any time. Overall I am extremely satisfied and highly recommend!"
Everything you need to know before getting started with Island AVNS.
Yes. In New York, most commercial buildings and multi-family residences require a fire alarm permit before installation. Island AVNS handles all permitting and code compliance, ensuring every system meets NFPA 72 requirements. We work directly with your local authority having jurisdiction (AHJ) from the initial survey through final inspection.
We serve all of Nassau and Suffolk County — including Smithtown, Hauppauge, Huntington, Patchogue, Brentwood, Bay Shore, Commack, Deer Park, Babylon, Medford, Central Islip, Coram, and surrounding communities. Call us at (631) 886-7100 to confirm coverage in your town.
Yes — completely free, no strings attached. One of our technicians visits your property, reviews your current systems, and walks you through your options. You receive a written quote with no obligation to commit.
Yes. Island AVNS is licensed by the New York State Department of State (Lic. No. 12000315505) and fully insured. All of our technicians are background-checked, trained to industry standards, and experienced in both residential and commercial installations.
Yes. We provide 24/7 emergency response for active alarms, system failures, and urgent service needs. Call us any time at (631) 886-7100 — day or night, weekends included.
Absolutely. We handle single-family homes, multi-unit residential buildings, retail stores, office complexes, schools, houses of worship, and large commercial facilities across Nassau and Suffolk County. If it needs a fire alarm or security system on Long Island, we can help.
Get a free site survey with no obligation. We'll assess your property, walk you through your options, and give you an honest, competitive quote.
Refer a friend or colleague and receive a $100 credit on your next bill when they become a customer.