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    Verified home security system services reviews

Find Home security system pros in Great Falls

Avatar for ADT

ADT

4.53(
736
)
Approved Pro

ADT

4.53(
736
)
Approved Pro
Customers say: Terrific value
4007 local quotes requested
151 years of experience

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.

"Went well. Will know more later"

Pre P on November 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.

"Went well. Will know more later"

Pre P on November 2025


Avatar for SafeStreets - ADT Authorized Provider

SafeStreets - ADT Authorized Provider

4.85(
296
)
Approved Pro

SafeStreets - ADT Authorized Provider

4.85(
296
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
79 local quotes requested

For 140 years, ADT has been the leading home security provider in the country. SafeStreets, ADT's Authorized Provider, sells and installs ADT-monitored home security systems. Our team consists of 300+ trained consultants, covering more than 90% of the United States across 44 states. We are experts on the latest smart-home technology, and highly focused on giving all customers a 5-Star Experience™. SafeStreets is committed to bringing high-tech security equipment, backed by 24/7 professional monitoring, to the place that matters most - your home. We have same day and next day appointments available, all scheduled within a one hour window. Call us anytime for a custom home security assessment and free quote! Comprehensive Security System ADT 24/7 Monitoring Touch Screen Control Panel Motion Detectors, Glass Break Sensors, & Point-of-Entry Sensors Indoor, Outdoor, & Doorbell Cameras Smart Home Automation Smoke, Carbon Monoxide, & Flood Sensors Mobile App Control Cellular Connection Back-up Battery Supply Maintenance/Extended Warranty Homeowners Insurance Certificate Theft Protection Guarantee

"In the past we’ve avoided getting into agreements or contracts with our home security providers but felt comfortable and confident doing so with Safe Streets. Their monitoring and surveillance centers are nationwide and open 24 hours. They made the process really easy and informed us of all the benefits by being under monitoring agreement. Told both of our neighbors about our experience and they plan to sign up too."

Jacob F on November 2025

For 140 years, ADT has been the leading home security provider in the country. SafeStreets, ADT's Authorized Provider, sells and installs ADT-monitored home security systems. Our team consists of 300+ trained consultants, covering more than 90% of the United States across 44 states. We are experts on the latest smart-home technology, and highly focused on giving all customers a 5-Star Experience™. SafeStreets is committed to bringing high-tech security equipment, backed by 24/7 professional monitoring, to the place that matters most - your home. We have same day and next day appointments available, all scheduled within a one hour window. Call us anytime for a custom home security assessment and free quote! Comprehensive Security System ADT 24/7 Monitoring Touch Screen Control Panel Motion Detectors, Glass Break Sensors, & Point-of-Entry Sensors Indoor, Outdoor, & Doorbell Cameras Smart Home Automation Smoke, Carbon Monoxide, & Flood Sensors Mobile App Control Cellular Connection Back-up Battery Supply Maintenance/Extended Warranty Homeowners Insurance Certificate Theft Protection Guarantee

"In the past we’ve avoided getting into agreements or contracts with our home security providers but felt comfortable and confident doing so with Safe Streets. Their monitoring and surveillance centers are nationwide and open 24 hours. They made the process really easy and informed us of all the benefits by being under monitoring agreement. Told both of our neighbors about our experience and they plan to sign up too."

Jacob F on November 2025


Avatar for Carolina Smart Home

Carolina Smart Home

4.33(
6
)
Approved Pro

Carolina Smart Home

4.33(
6
)
Approved Pro
Customers say: Quick response
13 local quotes requested
18 years of experience

We at ADT-Carolina Smart Home focus on quality services over quantity. We use our years of experience and expertise to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed. Please call us today for an estimate. We look forward to working with you.

"The reginal director was very pleasant and he got me signed up the same day to receive ADT services. There was a technician who came in and installed the system. He was also very nice. There was another young man that came in to sell more equipment. When I refused the service he got really aggravated. I had to have my daughter deal with him just to get him out of my home. Now I have realized the camera hasn't worked since it was installed and ADT is trying to charge me another 70 dollars just to come look at it. What Carolina Smart Home did was make a sale, never told me they only have a 90 day warranty with ADT, and they have other aggressive security partners that will try to sell you things you don't need. I wish I'd never responded to Dustin Croom or his associates."

Juquetta G on June 2025

We at ADT-Carolina Smart Home focus on quality services over quantity. We use our years of experience and expertise to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed. Please call us today for an estimate. We look forward to working with you.

"The reginal director was very pleasant and he got me signed up the same day to receive ADT services. There was a technician who came in and installed the system. He was also very nice. There was another young man that came in to sell more equipment. When I refused the service he got really aggravated. I had to have my daughter deal with him just to get him out of my home. Now I have realized the camera hasn't worked since it was installed and ADT is trying to charge me another 70 dollars just to come look at it. What Carolina Smart Home did was make a sale, never told me they only have a 90 day warranty with ADT, and they have other aggressive security partners that will try to sell you things you don't need. I wish I'd never responded to Dustin Croom or his associates."

Juquetta G on June 2025


Avatar for Madrid Projects LLC

Madrid Projects LLC

5.00(
8
)
Approved Pro

Madrid Projects LLC

5.00(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
128 local quotes requested

We have the experience and dedication to get the job done right! Specializing in handyman and electrical services; We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today!

"Install went smoothly good and I'm very satisfied. I hope to use Pablo again soon . I would highly recommend"

Paula G on August 2024

We have the experience and dedication to get the job done right! Specializing in handyman and electrical services; We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today!

"Install went smoothly good and I'm very satisfied. I hope to use Pablo again soon . I would highly recommend"

Paula G on August 2024


Avatar for Cransten Service All Stars

Cransten Service All Stars

4.40(
100
)
Approved Pro

Cransten Service All Stars

4.40(
100
)
Approved Pro
Super Service Award
Customers say: Quality work
3015 local quotes requested
9 years of experience

Cransten is the best handyman and remodeling experience in the US. Our team is vetted, trained, background checked, and amazing at what we do. We are licensed and insured. Get a free quote from us today and see what we can do to help create your dream home!

"Seemed very nice on the phone but when I went to hire them I would of had to wait almost 6 to 8 weeks because they were totally booked out. So figured they must really have a great business just was sorry i couldn't wait."

Christina C on September 2025

Cransten is the best handyman and remodeling experience in the US. Our team is vetted, trained, background checked, and amazing at what we do. We are licensed and insured. Get a free quote from us today and see what we can do to help create your dream home!

"Seemed very nice on the phone but when I went to hire them I would of had to wait almost 6 to 8 weeks because they were totally booked out. So figured they must really have a great business just was sorry i couldn't wait."

Christina C on September 2025


Core Home Security

No reviews yet

Core Home Security

No reviews yet

Core Home Security is one of the top-rated home security installers and monitoring companies in the nation. For this reason, we offer all owners and renters many home security options. These options range from police, medical, and fire alarm monitoring all the way to the most cutting-edge Home Automation systems available. Our interactive packages give users complete control of their video doorbell and alarm systems using any smartphone, tablet, or computer. Through Core Security, you can get the best fit for your home. Choose a basic home security service or all the extras! We offer the best-in-class home alarm systems . Additionally, we provide free installation to all our new customers looking for the best home security systems.

Core Home Security is one of the top-rated home security installers and monitoring companies in the nation. For this reason, we offer all owners and renters many home security options. These options range from police, medical, and fire alarm monitoring all the way to the most cutting-edge Home Automation systems available. Our interactive packages give users complete control of their video doorbell and alarm systems using any smartphone, tablet, or computer. Through Core Security, you can get the best fit for your home. Choose a basic home security service or all the extras! We offer the best-in-class home alarm systems . Additionally, we provide free installation to all our new customers looking for the best home security systems.


Avatar for EB Electric & Air

EB Electric & Air

4.78(
18
)

EB Electric & Air

4.78(
18
)
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers

Eugene Bolin Licensed Electrical Contractor In business since 2010 servicing York,Chester,Cherokee, and Lancaster counties 1. Electrical service upgrades 2. Total wire or rewire on residential structures. 3. Electrical troubleshooting 4. Hot tubs 5. Ceiling fan & lighting

"Great! Eugene and Steven were very responsive and came out quickly and got the job done"

Mary A on February 2022

Eugene Bolin Licensed Electrical Contractor In business since 2010 servicing York,Chester,Cherokee, and Lancaster counties 1. Electrical service upgrades 2. Total wire or rewire on residential structures. 3. Electrical troubleshooting 4. Hot tubs 5. Ceiling fan & lighting

"Great! Eugene and Steven were very responsive and came out quickly and got the job done"

Mary A on February 2022


SG Technology Group

4.00(
1
)

SG Technology Group

4.00(
1
)
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

SG Technology Group offers a wide variety of services with a well trained and certified staff that will meet all of your Audio/Visual demands. We are here to serve our community in the transition from commercial to residential video conferencing upgrades and installs. Our technicians maintain proper PPE at all times for the safety of our clients and staff. The services we provide include: running wire, terminating every type of cable including fiber, full design and integration from start to finish, Installations for: speakers, TVs, video conferencing devices, transmitters, receivers, microphones, amplifiers, processors, switchers, routers, modems, repeaters, projectors, projectors screens, control switches, wall mounted touch panels, video walls, smart boards... We are a owner-operated company who's been servicing Charlotte, NC and surrounding areas since 2015. If you prefer to hire professionals who care as much about your safety as the service they provide then do not hesitate to contact us today for a FREE Consultation!

"It was very good. They were timely, they did the work as requested, they were very committed with the work and they did hourly reporting."

Sarah M on September 2020

SG Technology Group offers a wide variety of services with a well trained and certified staff that will meet all of your Audio/Visual demands. We are here to serve our community in the transition from commercial to residential video conferencing upgrades and installs. Our technicians maintain proper PPE at all times for the safety of our clients and staff. The services we provide include: running wire, terminating every type of cable including fiber, full design and integration from start to finish, Installations for: speakers, TVs, video conferencing devices, transmitters, receivers, microphones, amplifiers, processors, switchers, routers, modems, repeaters, projectors, projectors screens, control switches, wall mounted touch panels, video walls, smart boards... We are a owner-operated company who's been servicing Charlotte, NC and surrounding areas since 2015. If you prefer to hire professionals who care as much about your safety as the service they provide then do not hesitate to contact us today for a FREE Consultation!

"It was very good. They were timely, they did the work as requested, they were very committed with the work and they did hourly reporting."

Sarah M on September 2020


Dunes Home Security & Kitchen sink purified water

No reviews yet

Dunes Home Security & Kitchen sink purified water

No reviews yet

We sale & install home / commercial alarm systems, home automations, security cameras & under kitchen sink water purification systems. We install in all 50 states. Homeowners and renters. Alarm systems Free Installation Free equipment Packages Start at 39.99 monthly Security No video Wall panel, 3 door sensors,1 motion for windows Security with Phone app, 1 video Wall panel, 3 door sensors, 1 motion for windows, 1 doorbell camera or inside/outside camera Security with Phone app, 2 video cameras Wall panel, 3 door sensors,1 motion for windows, free doorbell camera & free outdoor / indoor camera Security with phone app, video & home Automations Wall panel, 3 door sensors,1 motion for windows, doorbell camera, remote doorlock or remote thermostat, remote light control Water purification systems (Reverse osmosis) No need to ever buy bottled water again. We install the water filtration system underneath your kitchen sink. This will give you an unlimited amount of Purified Drinking Water. No more trips to the store wasting gas, time and effort. No more picking up heavy packs of bottle water hurting your back. You will have an unlimited supply of Purified Drinking Water from your kitchen sink.

We sale & install home / commercial alarm systems, home automations, security cameras & under kitchen sink water purification systems. We install in all 50 states. Homeowners and renters. Alarm systems Free Installation Free equipment Packages Start at 39.99 monthly Security No video Wall panel, 3 door sensors,1 motion for windows Security with Phone app, 1 video Wall panel, 3 door sensors, 1 motion for windows, 1 doorbell camera or inside/outside camera Security with Phone app, 2 video cameras Wall panel, 3 door sensors,1 motion for windows, free doorbell camera & free outdoor / indoor camera Security with phone app, video & home Automations Wall panel, 3 door sensors,1 motion for windows, doorbell camera, remote doorlock or remote thermostat, remote light control Water purification systems (Reverse osmosis) No need to ever buy bottled water again. We install the water filtration system underneath your kitchen sink. This will give you an unlimited amount of Purified Drinking Water. No more trips to the store wasting gas, time and effort. No more picking up heavy packs of bottle water hurting your back. You will have an unlimited supply of Purified Drinking Water from your kitchen sink.


Avatar for Liquid Video Technologies

Liquid Video Technologies

5.00(
4
)

Liquid Video Technologies

5.00(
4
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Based in the upstate of South Carolina, Liquid Video Technologies (LVT) offers more than 90 years of service to video surveillance, fire, security, and technology industry. Since inception in 2000, LVT has focused efforts to streamline the use of digital technology to enhance traditional burglar alarms as well as video and audio capturing. The dynamics of the market continue to change and the merging of the security and surveillance industry with the technology sector is well underway. For this reason, we design our services to not only incorporate traditional security needs but also seek to identify web solutions that can bridge both security and IT tools. We manufacture Digital Video Recording equipment and service both direct resale and wholesale distribution markets in the immediate area and abroad. Our customer portfolio is quite diverse and includes small business owners, national franchises, and large corporations. Our offerings now include traditional burglar alarm systems as well as network and web solutions. The important nature of these services and integration within the on-site network have led many customers to implement a “One-Stop-Shop” mentality. We find our expertise and on hand, knowledge allows for a smooth transition and limits potential time-consuming efforts.

"They were capable, qualified and provided excellent customer service."

Jim N on December 2018

Based in the upstate of South Carolina, Liquid Video Technologies (LVT) offers more than 90 years of service to video surveillance, fire, security, and technology industry. Since inception in 2000, LVT has focused efforts to streamline the use of digital technology to enhance traditional burglar alarms as well as video and audio capturing. The dynamics of the market continue to change and the merging of the security and surveillance industry with the technology sector is well underway. For this reason, we design our services to not only incorporate traditional security needs but also seek to identify web solutions that can bridge both security and IT tools. We manufacture Digital Video Recording equipment and service both direct resale and wholesale distribution markets in the immediate area and abroad. Our customer portfolio is quite diverse and includes small business owners, national franchises, and large corporations. Our offerings now include traditional burglar alarm systems as well as network and web solutions. The important nature of these services and integration within the on-site network have led many customers to implement a “One-Stop-Shop” mentality. We find our expertise and on hand, knowledge allows for a smooth transition and limits potential time-consuming efforts.

"They were capable, qualified and provided excellent customer service."

Jim N on December 2018

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Home Security Systems questions, answered by experts

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.

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. 

To prevent false alarms, motion detectors need proper placement and settings. Start by installing them away from pets and windows where outside movement could set them off. Adjust the sensitivity settings to reduce the likelihood of it detecting minor motions. Consider using dual-tech sensors, for example passive infrared (PIR) and microwave technology, to improve accuracy and reduce false alarms. And don’t forget regular maintenance—cleaning the sensor and checking for any obstructions can go a long way in making sure your detectors run smoothly.

You likely can reset your house alarm without the code, but it depends on many factors like how it’s wired and whether or not there’s a default reset code. Most companies make bypassing a security alarm without entering your code challenging to prevent burglars from simply resetting the alarm during a break-in. Your best bet is to contact your alarm company directly to get specialized support for your situation. 

But, while you wait for support, you can disconnect it from the power source to stop the alarm from going off.

This is the topic of much debate, though there is no “better,” as it depends on personal preferences. Some of the components of a wireless system keep working when the power goes out, as they are battery-powered. On the other hand, a wireless system typically connects to your modem and router. Wired systems use landlines to communicate, which never go out on their own unless they’re physically cut.

The Great Falls, SC homeowners’ guide to home security system services

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