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TRUSTED BY NORTHFIELD, IL HOMEOWNERS

  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon76
    Verified home security system services reviews

Top-Rated Home security system pros in Northfield - Updated Nov 2026

Avatar for ADT
ADT
4.5(
889
)
Surveillance Cameras - Install or RepairAlarm or Security System - InstallAlarm or Security System - Repair+5 more

Serving Northfield, IL 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

36 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for D-Tech Systems
D-Tech Systems
4.8(
9
)
Building Automation System - Install or Service - For BusinessSmart Home System - Install or Service

Serving Northfield, IL and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"This was the first time I used D-Tech Systems. I needed an electrician to reinstall a chandelier. Daniel Malachowski (with D-Tech Systems) was polite, extremely efficient, very conscientious about keeping the work area clean, and did a professional job in a short timeframe. During that same visit, he was able to resolve a couple of other electrical items and showed me how I could fix a simple item myself. I will use D-Tech Systems in the future and would definitely recommend them and, in particular, Daniel M."
Electrical 200A
dtech-systems
Electrical
Electrical 400A
TV Install

+5

Response time1 day
Recommended by100%of homeowners
Vesta Security Services, LLC
3.3(
29
)
Surveillance Cameras - Install or RepairAlarm or Security System - InstallSurveillance Cameras - Install or Repair - For Business+3 more

Serving Northfield, IL and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"All processes are coordinated by the owner ( Marco). He is responsive, professional, expert in his field, transparent, has competitive pricing, uses the most advanced systems, and customer oriented. Marco personally makes sure all aspects of the security system (sensors/cameras/monitoring/applications) are working seamlessly before project completion. He was a pleasure to work with and his associates were top notch."
Response time1 day
36 neighbors recently requested a quote
Recommended by66%of homeowners
SEICO, Inc.
3.5(
2
)
Surveillance Cameras - Install or Repair - For BusinessAlarm or Security System - Install - For BusinessAlarm or Security System - Monitor - For Business+1 more

Serving Northfield, IL and surrounding areas

Approved

In business since 1972

Free estimates

SEICO is your complete source for all your security needs. Whether it�s Access Control Systems, indoor and outdoor CCTV surveillance, photo ID, burglar/fire alarm or just alarm monitoring, we have the right product to meet your needs, at an affordable price. SEICO has been protecting commercial, industrial and financial businesses since 1972. \nSEICO is a member of the Prairie Technology Alliance. \n

Response time2 days
2 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for Protect Your Home
Protect Your Home
2.6(
6
)
Alarm or Security System - InstallAlarm or Security System - Monitor

Serving Northfield, IL 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 Keyth Security Systems, Inc.
Keyth Security Systems, Inc.
New to Angi
Alarm or Security System - InstallSmart Home System - Install or Service

Serving Northfield, IL and surrounding areas

Approved

In business since 1975

Free estimates

Credit card accepted

Keyth Security Systems Inc. is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 45 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today! \n \n

Response time20 mins
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Home Security Systems FAQs, answered by experts

Any type of dead bolt lock provides the highest level of safety for a single device. However, it’s also important to determine a lock's grade. Locks can come in either Grade 1, Grade 2, or Grade 3, which indicates how durable it is and if it’s constructed solidly. Safety experts recommend choosing locks based on Grade 1, which offers the highest level of durability.

Yes, many providers offer reinforced steel, fire-rated, and electronic access doors for businesses.

Professional home automation services can include automation for nearly anything in your home, so the possibilities are endless. Some of the more common things homeowners use automation for include the following:

  • Heating and cooling for automatic comfort

  • Security cameras and emergency call systems

  • Door and window sensors to detect opening, closing, and break-ins

  • Solar system automation to maximize energy savings

  • Automatic door locks

  • Garage door openers

  • Speaker systems

  • Lighting

  • Appliances

  • Smoke and CO detectors

  • Blinds and other window coverings

  • Lawn irrigation systems

  • Water monitoring

There is no “better” option, as it depends on your personal preferences and home’s needs. Wireless systems are much easier to install, making them DIY-friendly. Wired systems offer a more reliable connection that is not tied to a router, but they typically require professional installation.

False alarms happen, and they could be due to a problem you need to troubleshoot, like faulty wiring, a mistaken setting, or the system needing an update. Turn off your system by disconnecting its power supply (both the battery and transformer) and give the manufacturer a call to see what they advise. 

The Northfield, IL homeowners’ guide to home security system services

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