Holtsville Security, Surveillance & Home Automation Services
Greensite Holtsville security and home services proudly provide New York City, Long Island, and New Jersey residential and commercial customers with professionally installed low-voltage security, high-resolution surveillance, home automation, and home safety maintenance services. For both Holtsville residential and commercial Greensite installed security systems, the Greensite Central Home Monitoring center is UL Listed, CSAA Five Diamond Certified and FDNY Approved. Greensite is well reviewed, visit the Greensite Yelp page, and we are proud to have over 15 years experience.
Greensite is a Honeywell Certified Installer. Choose from a variety of product lines including the Honeywell Lynx Touch, Honeywell Tuxedo Touch, Lyric Touch, Keypad Alarms, Fire & CO Alarms and Central Monitoring.
Z-Wave Home Automation
Z-Wave is the new standard among home automation systems. Z-wave devices create a mesh network and thereby eliminate the need for a large antenna and power draw. Lights, locks, thermostats and more can be controlled by the touch of your phone or tablet. Learn more.