
Get matched with top home security system pros in Killingworth, CT
There are 3 highly-rated local home security system pros.
Need a pro for your home security system service project in Killingworth, CT?
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Verified Reviews for Home Security System Service pros in Killingworth, CT
*The Angi rating for Home Security System Service companies in Killingworth, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Home Security System Service needs.
*The HomeAdvisor rating for Home Security System Service companies in Killingworth, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Home Security System Service needs.
Last update on October 04, 2025
Find Home security system pros in Killingworth

ADT
ADT
ADT home security systems are backed by more than 145 years of experience. As the leader in home security, ADT can help you customize a home security system with easy-to-use equipment and special security features to meet your safety needs. We have service centers nationwide that can install an ADT home security system within 24 hours in most areas. Once your home is equipped with our top-of-the-line system, it is connected to a network of ADT Monitoring Centers nationwide which deliver non-stop security monitoring 365 days a year. All of our installation technicians are internal employees, and not third-party contractors. You can count on your Security Advisor to take the time to set up your system properly, help you understand how the system works, and help make sure your home and family are thoroughly protected.
"The alarm, when it goes off, is very loud!!! This is a good thing. If we ever need to activate it, it will definitely scare off anyone trying to come into our home. We can set it off from our phone or from the keyboard control panel that we installed in our bedroom. We feel very safe with this purchase."
Chris L on September 2025
ADT home security systems are backed by more than 145 years of experience. As the leader in home security, ADT can help you customize a home security system with easy-to-use equipment and special security features to meet your safety needs. We have service centers nationwide that can install an ADT home security system within 24 hours in most areas. Once your home is equipped with our top-of-the-line system, it is connected to a network of ADT Monitoring Centers nationwide which deliver non-stop security monitoring 365 days a year. All of our installation technicians are internal employees, and not third-party contractors. You can count on your Security Advisor to take the time to set up your system properly, help you understand how the system works, and help make sure your home and family are thoroughly protected.
"The alarm, when it goes off, is very loud!!! This is a good thing. If we ever need to activate it, it will definitely scare off anyone trying to come into our home. We can set it off from our phone or from the keyboard control panel that we installed in our bedroom. We feel very safe with this purchase."
Chris L on September 2025

Wave Sound and Security, LLC
Wave Sound and Security, LLC
Wave Sound and Security, LLC is a fully licensed and insured low voltage installation company. We specialize in residential and small businesses installations of Surveillance Systems, Home Control Systems, Home Theater systems, Multi room audio and more.
"I highly recommend Wave Sound and Security LLC. Wes expertly installed and thoroughly explained my new system, answered my many questions, discussed other needs I may have in the future, and is completely professional. I will definitely be using Wave Sound and Security for any future plans."
Ainslie W on August 2023
Wave Sound and Security, LLC is a fully licensed and insured low voltage installation company. We specialize in residential and small businesses installations of Surveillance Systems, Home Control Systems, Home Theater systems, Multi room audio and more.
"I highly recommend Wave Sound and Security LLC. Wes expertly installed and thoroughly explained my new system, answered my many questions, discussed other needs I may have in the future, and is completely professional. I will definitely be using Wave Sound and Security for any future plans."
Ainslie W on August 2023
Adt
Adt
Sales and install alarm systems for ADT security. I have been in the industry for 15 years. I sell and install the alarms I sell so your not dealing with phone sales people. We provide door sensors, window sensors, smoke detectors, co detectors, flood and temperature sensors, doorbell cameras, outdoor indoor and floodlight cameras.
Sales and install alarm systems for ADT security. I have been in the industry for 15 years. I sell and install the alarms I sell so your not dealing with phone sales people. We provide door sensors, window sensors, smoke detectors, co detectors, flood and temperature sensors, doorbell cameras, outdoor indoor and floodlight cameras.
J&K Electric and Alarms LLC
J&K Electric and Alarms LLC
J&K Electric and Alarms LLC is a family owned company with a combined over 45 years experience in the electrical industry.
J&K Electric and Alarms LLC is a family owned company with a combined over 45 years experience in the electrical industry.
EREG PROPERTY MAINTENANCE & MANAGEMENT
EREG PROPERTY MAINTENANCE & MANAGEMENT
EREG is your 1 stop shop for all your residential and or commercial needs. -Landscaping, Landscape design, Landscape Lighting, Spring & Fall Clean-ups -Chimney Flashing Repair -Interior & Exterior Painting -PWR Washing, Gutter Cleaning, Gutter Install, Deck, Patio, Driveways, walkways -Basic Remodeling, Decks, Windows, Roofing, etc... -Home Automation, Physical Security & CCTV -Pro-Audio and Pro Video Design/Installation -Over Head PA or White Noise, Menu Boards, Wall Hung TV installations -REO & Foreclosure Applications such as winterizing, inspection, Lock Box -Assembly, Configuration, Decommissioning -Commercial Property Abatement -Basic Moving Services, -Owner is a Real Estate Agent and can help value and comp as well as sell & purchase -24 Hr x 7 days x 365 physical monitoring of your home or office or business -Residential and Commercial Cleaning Services (daily, weekly, monthly, seasonal, vacation) EREG staff are out of the box thinkers and get it done types. If you need something unique, please give us a call as we are confident we can help in some fashion or another.
"Perfect EREG was in and out in one half hour and was extremely knowledgeable, helpful and got the job done exactly as I wanted. I would highly recommend EREG to anyone who need a great handyman."
Robert F on September 2025
EREG is your 1 stop shop for all your residential and or commercial needs. -Landscaping, Landscape design, Landscape Lighting, Spring & Fall Clean-ups -Chimney Flashing Repair -Interior & Exterior Painting -PWR Washing, Gutter Cleaning, Gutter Install, Deck, Patio, Driveways, walkways -Basic Remodeling, Decks, Windows, Roofing, etc... -Home Automation, Physical Security & CCTV -Pro-Audio and Pro Video Design/Installation -Over Head PA or White Noise, Menu Boards, Wall Hung TV installations -REO & Foreclosure Applications such as winterizing, inspection, Lock Box -Assembly, Configuration, Decommissioning -Commercial Property Abatement -Basic Moving Services, -Owner is a Real Estate Agent and can help value and comp as well as sell & purchase -24 Hr x 7 days x 365 physical monitoring of your home or office or business -Residential and Commercial Cleaning Services (daily, weekly, monthly, seasonal, vacation) EREG staff are out of the box thinkers and get it done types. If you need something unique, please give us a call as we are confident we can help in some fashion or another.
"Perfect EREG was in and out in one half hour and was extremely knowledgeable, helpful and got the job done exactly as I wanted. I would highly recommend EREG to anyone who need a great handyman."
Robert F on September 2025
KELLSEC security integration
KELLSEC security integration
Security installation and service. CCTV, Access Control, Fire Alarm, Intrusion, A/V systems
Security installation and service. CCTV, Access Control, Fire Alarm, Intrusion, A/V systems
JS Royalty LLC
JS Royalty LLC
Electrical Services Solar Panel Cleaning Services Roof Leak Services Roof Cleaning Services
Electrical Services Solar Panel Cleaning Services Roof Leak Services Roof Cleaning Services
Vital Technology Solutions
Vital Technology Solutions
We design, install and service the latest cutting-edge electronic security and fire alarm systems. We give our clients our full attention to service and all their projects. We install smart home intrusion detection systems, video surveillance camera systems and home automation systems accessible from your smart phone or tablet, with 24/7 central station monitoring.
We design, install and service the latest cutting-edge electronic security and fire alarm systems. We give our clients our full attention to service and all their projects. We install smart home intrusion detection systems, video surveillance camera systems and home automation systems accessible from your smart phone or tablet, with 24/7 central station monitoring.
MBS HANDYMAN SERVICES
MBS HANDYMAN SERVICES
In MBS Handyman services we provide a helping hand to those basic needs around your house such as: Replacing light fixtures, installing ceiling fans & air conditioning. In addition, we replace kitchen and bathroom faucets as we as bathroom sink and cabinets. We also install or replace exterior lights. Moreover, we can help you with painting around the house. In MBS Handyman services we can help you with furniture assembly of all type as well. There is not job too big or too small to do.
"Marcos was Wonderful to deal with. On-time and cleaned up after. Very professional. I am going to have him do all the other projects that I have. No need to look anywhere else for most home projects."
Jody H on April 2021
In MBS Handyman services we provide a helping hand to those basic needs around your house such as: Replacing light fixtures, installing ceiling fans & air conditioning. In addition, we replace kitchen and bathroom faucets as we as bathroom sink and cabinets. We also install or replace exterior lights. Moreover, we can help you with painting around the house. In MBS Handyman services we can help you with furniture assembly of all type as well. There is not job too big or too small to do.
"Marcos was Wonderful to deal with. On-time and cleaned up after. Very professional. I am going to have him do all the other projects that I have. No need to look anywhere else for most home projects."
Jody H on April 2021
Ayala Electric LLC
Ayala Electric LLC
We are a small family owned business Specializing in Residential & Commercial Electrical, generators, and communications. Our services range from fixing a bad outlet, to new Construction. we offer emergency service 24/7. Call for a free estimate!
"Excellent. Kevin went through my home and corrected any problems that needed to be fixed to prepare before sale. Price was very reasonable. When I told the buyers inspector that I had extensive work done to prepare for the sale, he said he had noticed the work and commented in his report about the work and also assured the buyer the electrical was all correct and code compliant."
Ed D on December 2020
We are a small family owned business Specializing in Residential & Commercial Electrical, generators, and communications. Our services range from fixing a bad outlet, to new Construction. we offer emergency service 24/7. Call for a free estimate!
"Excellent. Kevin went through my home and corrected any problems that needed to be fixed to prepare before sale. Price was very reasonable. When I told the buyers inspector that I had extensive work done to prepare for the sale, he said he had noticed the work and commented in his report about the work and also assured the buyer the electrical was all correct and code compliant."
Ed D on December 2020
The Killingworth, CT homeowners’ guide to home security system services
From average costs to expert advice, get all the answers you need to get your job done.
Discover how much smoke detector installation costs. Understand your out-of-pocket expenses so you can protect your family and home.
From warding off intruders to protecting from falls, bars on windows can make a home much more secure. Here’s how much it costs to install bars on windows.
Feeling safe at home should always be a priority, and installing a new security system can help you do just that—no matter where you live.
There are many different avenues for how to secure windows. Depending on your home’s layout and vulnerabilities, one or more of these six tips may help.
To keep your property and loved ones safe, you might consider a security door for exterior entry points. Learn how to install a security door yourself.
Home security begins at the front door. Check out our tips to improve your front entry door security as a barrier against unwanted intruders. There are many different strategies, from installing an entirely new door to an updated lock.
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