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Avatar for ADT
ADT
4.5(
877
)
Surveillance Cameras - Install or RepairAlarm or Security System - InstallAlarm or Security System - Repair+5 more

Serving Nantucket, MA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1874

Free estimates

Emergency services offered

"I used to work in the security industry. Once I got married and had kids I definitely wanted a home security system. Bought ADT about a month ago and it’s worked out excellent. No glitches or issues and everyone was awesome in the buying and activation process."
Home Security Essentials
Smart Home Security
Cameras
Our Team
Home Security Essentials

+35

62 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Protect Your Home
Protect Your Home
2.6(
6
)
Alarm or Security System - InstallAlarm or Security System - Monitor

Serving Nantucket, MA and surrounding areas

Approved (Corporate)

In business since 1998

Free estimates

Credit card accepted

Protect Your Home is a leader in the home security industry, providing safety and peace of mind to more than 1.5 million families nationwide. Since we emerged in 1998, we've grown from a company of few to having over 2,000 high performance team members, three locations in Indianapolis, a sales center in Kentucky, and over 128 field branches across the country—and we're still growing.\n\nFor nearly 20 years, Protect Your Home has partnered with ADT®, the #1 name in home security. Today, with our national reach, we are one of ADT's biggest partners and the only partner to be designated as an Authorized Premier Provider.\n\nOur commitment to serving others combined with our projects, events, and culture contribute to the development of our team professionally, personally, and financially.\n\nIt's our mission. It's who we are. It's our legacy.\n

SA and Homeowner
Recommended by100%of homeowners
Avatar for Protect America Home Security
Protect America Home Security
3.5(
227
)
Alarm or Security System - InstallAlarm or Security System - Install - For BusinessAlarm or Security System - Monitor+7 more

Serving Nantucket, MA and surrounding areas

In business since 1992

Free estimates

Emergency services offered

"They system was installed for the basic, but anything that you wanted needed to be higher upgraded require alot of extra money for every upgrade.
 The 36.99 monthly fee was for only if your system is connected to a landline. I didnnt notice that they charge me $44.99 until my 1st month fee. Thats when I was told that they charge $44.99 because the alram was connected to my cable line instead. I was unaware of the different charges. When tec came out he didnt show up to fix the corrected. Had to call the main company for the no show. So they schedule another appointment and offered 2 window alarms to fix the correction but my bill still is $44.99. Default is that since I didnt have extra money to upgrade to the Pulse, you dont know if you turn the alarm to your house properly. I called the 800 number and they cant tell either!
"
Platinum Package - Protects up To 15 Doors / Windows for FREE
Protect your Whole Home
Simon XT Touchscreen
Recommended by64%of homeowners
Avatar for Novalarm Systems Inc
Novalarm Systems Inc
4.9(
7
)
Alarm or Security System - InstallAlarm or Security System - Install - For BusinessAlarm or Security System - Monitor+5 more

Serving Nantucket, MA and surrounding areas

In business since 2019

Free estimates

Emergency services offered

"John came out within an hour of me calling him because he knew my situation was dire with my children doing remote learning. They were here for over an hour trying to figure out why the internet was not extending to our attic with the extenders we had in place. John helped me find the proper extender online that I needed and told me to call them back if I had any issues. Unfortunately after installing the new product we were still having issues in our attic. I called John back and he came out within 2 hours of calling him. It was determined that a hardwire connection needed to be installed in the attic. They spent roughly 4 hours running the wire from our router on the first floor, into our basement, out the side of the house, and up to our 3rd floor (install was so discreet you canâ t even tell itâ s there). They cleaned up after themselves, were very informative and dedicated to making sure the problem was solved before leaving. They were also very friendly and easy to talk to, and that by far is the most important thing to me when doing business with someone-especially when theyâ re in your home. I would recommend John and his team to anyone, and intend on calling them for our future projects."
Fire Alarm Panels
Wireless Pole Camera
Camera and Monitor with Analytics
Response time1 day
Response rate91%
Recommended by100%of homeowners
Avatar for SkyCover
SkyCover
5.0(
5
)
Alarm or Security System - InstallAlarm or Security System - Install - For BusinessAlarm or Security System - Monitor+7 more

Serving Nantucket, MA and surrounding areas

In business since 1998

Free estimates

Emergency services offered

SkyCover provides a total home security and automation solution that is 100% wireless with 100% cellular monitoring and no long-term contract. SkyCover monitoring includes interactive services for remote system control and access. Trust SkyCover to deliver with risk-free 30-day trial, free shipping and no long-term contract monitoring.

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Additional Photos
Additional Photos
Recommended by100%of homeowners
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Home Security Systems questions, answered by experts

There are a number of ways to secure windows. You can add motion detectors or window sensors to detect movement and impact or change the window locks to make them stronger. Some of the ways you can secure windows are much like how you secure a home: closing the curtains at night and setting up security cameras outside so you can monitor your property even in your absence. 

While many security cameras rely on an internet connection to transmit footage and store it in the cloud, not all of them stop working when the Wi-Fi is off. Some models are designed to function offline by using local storage options, such as a microSD card or a network-attached storage (NAS) device. These cameras can continue to record footage even without an internet connection. You can then access the stored data once the Wi-Fi is restored.

Whether a security system or security cameras is a better choice for you depends on your needs and preferred comfort level. A security system can cost more depending on the features you choose, but it’s a more proactive and protective approach to home security by alerting you and authorities of any emergencies. Using a security camera system is a more reactive approach because while you can monitor the camera footage, it does not alert the proper authorities for you.

It depends on the type of sensor your home security system uses. If it’s a motion detector, any moving thing could set it off, from a roaming pet to a wind-blown curtain. Contact sensors would be triggered by the window being opened or moved. Also, be aware that any sensors placed too close to your vents could trigger false alarms whenever your heat or air conditioning is running.

A study from the University of North Carolina found that security system signs were one of the top ten deterrents for burglars when choosing a target, so they do have some effect. However, you can get into legal trouble for putting up fake signage, so it’s best only to put up signs when you have the alarms to back them up.

The Nantucket, MA homeowners’ guide to home security system services

From average costs to expert advice, get all the answers you need to get your job done.