
Get matched with top home security system pros in Harmony, RI
There are 4 highly-rated local home security system pros.
Need a pro for your home security system service project in Harmony, RI?
Verified Reviews for Home Security System Service pros in Harmony, RI
*The Angi rating for Home Security System Service companies in Harmony, RI 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 Harmony, RI 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 Harmony

Cotti-Johnson HVAC, Plumbing and Electrical RI
Cotti-Johnson HVAC, Plumbing and Electrical RI
Transform your home into a haven of comfort with Cotti-Johnson's premier residential electrical services! Whether you need a simple light fixture replacement, a reliable home standby generator, or a complete re-wiring for enhanced safety and efficiency, we've got you covered. Our expert crews are not just skilled but are also background checked, drug tested, and undergo weekly training to ensure top-notch service. We understand that electrical issues can arise anytime, which is why we offer 24/7 emergency services to get your systems up and running when you need them most. Elevate your living spaces with our professional design services for landscape and indoor lighting. At Cotti-Johnson, we prioritize your satisfaction and peace of mind. Don't wait—experience the Cotti-Johnson difference today! Call us at (401) 594-9200 and inquire about our 10-year generator warranty. Your home deserves the best, and we're here to deliver.
"Communication was excellent. Tech showed up on time and went above and beyond on the work. I’ll certainly reach out to Cotti-Johnson for any future work."
Justin K on March 2025
Transform your home into a haven of comfort with Cotti-Johnson's premier residential electrical services! Whether you need a simple light fixture replacement, a reliable home standby generator, or a complete re-wiring for enhanced safety and efficiency, we've got you covered. Our expert crews are not just skilled but are also background checked, drug tested, and undergo weekly training to ensure top-notch service. We understand that electrical issues can arise anytime, which is why we offer 24/7 emergency services to get your systems up and running when you need them most. Elevate your living spaces with our professional design services for landscape and indoor lighting. At Cotti-Johnson, we prioritize your satisfaction and peace of mind. Don't wait—experience the Cotti-Johnson difference today! Call us at (401) 594-9200 and inquire about our 10-year generator warranty. Your home deserves the best, and we're here to deliver.
"Communication was excellent. Tech showed up on time and went above and beyond on the work. I’ll certainly reach out to Cotti-Johnson for any future work."
Justin K on March 2025

Cotti-Johnson Heating-Cooling-Electrical
Cotti-Johnson Heating-Cooling-Electrical
Experiencing issues with your heating, air conditioning, plumbing, or electrical systems? Cotti-Johnson is your reliable one-stop shop for all home comfort needs. From simple fixes to large-scale projects, our professional team handles everything with honesty and expertise. We offer 24/7 emergency services and specialized design services for landscape and indoor lighting. Trust us for top-notch, efficient, and transparent service. Visit our website at callcotti.com or call us at (833) 826-8844 to see how we can improve your home's comfort and efficiency.
"Happy with the work, and the customer service. Will definitely call on them for future work."
Fran P on June 2025
Experiencing issues with your heating, air conditioning, plumbing, or electrical systems? Cotti-Johnson is your reliable one-stop shop for all home comfort needs. From simple fixes to large-scale projects, our professional team handles everything with honesty and expertise. We offer 24/7 emergency services and specialized design services for landscape and indoor lighting. Trust us for top-notch, efficient, and transparent service. Visit our website at callcotti.com or call us at (833) 826-8844 to see how we can improve your home's comfort and efficiency.
"Happy with the work, and the customer service. Will definitely call on them for future work."
Fran P on June 2025

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
Monitex Security, Inc.
Monitex Security, Inc.
We only provide Virtual Remote Guardian. We do not offer any other services. We offer over 20 years experience in the Security Services Industry. We've established a solid reputation in security projects for residential homes in the Lewisville and surrounding areas. We are committed to providing a personalized service for each individual project we take on. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.
We only provide Virtual Remote Guardian. We do not offer any other services. We offer over 20 years experience in the Security Services Industry. We've established a solid reputation in security projects for residential homes in the Lewisville and surrounding areas. We are committed to providing a personalized service for each individual project we take on. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

Ryan Silvia
Ryan Silvia
Here at R.Silvia Electrical Contractor we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Call or text 4012637151
"I hired Ryan to fix my outlets and change them out for new ones since the old ones were outdated. He smelled badly of alcohol and was drunk when he came to the job. Please don't hire someone who drinks right before a job. Terrible customer service experience and will be reporting him."
Riley B on September 2025
Here at R.Silvia Electrical Contractor we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Call or text 4012637151
"I hired Ryan to fix my outlets and change them out for new ones since the old ones were outdated. He smelled badly of alcohol and was drunk when he came to the job. Please don't hire someone who drinks right before a job. Terrible customer service experience and will be reporting him."
Riley B on September 2025

Services Butler
Services Butler
We specialize in residential and Monitored Security & Automation. Options include: Remote Monitoring | Indoor & Outdoor Cameras | Camera Doorbells | Smart Locks. Our system is custom built to deter real threats our home security systems doesn't just record crime, they help prevent it. With outdoor security cameras that detect lurkers and scare them away, a doorbell camera that detects and protects packages, and smart locks, lighting, and security sensors—your home is always protected.
"Extremely efficient and professional!"
Mark K on June 2021
We specialize in residential and Monitored Security & Automation. Options include: Remote Monitoring | Indoor & Outdoor Cameras | Camera Doorbells | Smart Locks. Our system is custom built to deter real threats our home security systems doesn't just record crime, they help prevent it. With outdoor security cameras that detect lurkers and scare them away, a doorbell camera that detects and protects packages, and smart locks, lighting, and security sensors—your home is always protected.
"Extremely efficient and professional!"
Mark K on June 2021
Northern Alarm & Monitoring Services, LLC
Northern Alarm & Monitoring Services, LLC
The DeMarco Family has been involved in the New England Burglar & Fire alarm business since 1973. Joe DeMarco Sr. was one of the founding owners of American Alarms and Fire Protection. He is now enjoying retirement after 25 years in the business. His son Joe DeMarco Jr. started Northern Alarm & Monitoring Services in 2002. Commercial & Residential Security Experts Call today
"Happy with everything, he didn't leave a mess behind, and made sure everything is working."
Michael P on July 2020
The DeMarco Family has been involved in the New England Burglar & Fire alarm business since 1973. Joe DeMarco Sr. was one of the founding owners of American Alarms and Fire Protection. He is now enjoying retirement after 25 years in the business. His son Joe DeMarco Jr. started Northern Alarm & Monitoring Services in 2002. Commercial & Residential Security Experts Call today
"Happy with everything, he didn't leave a mess behind, and made sure everything is working."
Michael P on July 2020
Stroscio Electric
Stroscio Electric
We're a small family owned and operated company out of HOPE, RI. We can handle all of your electrical needs, whether it be residential or commercial jobs! 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! Check out all the services we offer below and call -or- click to schedule a free estimate today!
"From the moment they arrived you could tell you were in good hands. Our problem started with having an issue where multiple outlets in our kitchen suddenly stopped working. We found someone who claimed to be an electrician on Facebook. $125 later and nothing but a proposal for a $500 job that he didn't know if he could even do. He didnt even have his own tools...Goodbye! Cut to today.... Joe arrives early and promptly greets us with his trainee. After us explaining the issue he immediately jumped into action, explaining the entire process as it went. Less than an hour later, problem solved. He was very knowledgeable and I appreciate professional service. As a supervisor of a plumbing company, I know great workers when I see them. Absolutely will recommend to all my friends and family. Greatly appreciate your work!"
Ryan L on September 2022
We're a small family owned and operated company out of HOPE, RI. We can handle all of your electrical needs, whether it be residential or commercial jobs! 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! Check out all the services we offer below and call -or- click to schedule a free estimate today!
"From the moment they arrived you could tell you were in good hands. Our problem started with having an issue where multiple outlets in our kitchen suddenly stopped working. We found someone who claimed to be an electrician on Facebook. $125 later and nothing but a proposal for a $500 job that he didn't know if he could even do. He didnt even have his own tools...Goodbye! Cut to today.... Joe arrives early and promptly greets us with his trainee. After us explaining the issue he immediately jumped into action, explaining the entire process as it went. Less than an hour later, problem solved. He was very knowledgeable and I appreciate professional service. As a supervisor of a plumbing company, I know great workers when I see them. Absolutely will recommend to all my friends and family. Greatly appreciate your work!"
Ryan L on September 2022
USA Alarm Service, Inc
USA Alarm Service, Inc
USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.
USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.
Uxari powered by Vitex
Uxari powered by Vitex
With Uxari, you and your home are connected, automatically. You choose what to connect (devices) and we do the connecting (wireless services plan). Plus, we do it for as little as $99 down with monthly payments as low as $34.99. At Uxari, you will talk to a real person when you have a question, 7 days a week. So go ahead, start enjoying your new life style, knowing answers to all your questions are only a call or an e-mail away. And the best part is all of our services come with a 30-day, risk-free trial. We believe in not only finding exactly the right plan for you, but making sure you’re completely satisfied with it, too.
"The Smart Home features they installed, such as thermostat and door locks, etc. do not always work. For example, the Honeywell thermostat can no longer be operated from our phones and is difficult to install. Remote door locks are also unpredictable."
William B on November 2019
With Uxari, you and your home are connected, automatically. You choose what to connect (devices) and we do the connecting (wireless services plan). Plus, we do it for as little as $99 down with monthly payments as low as $34.99. At Uxari, you will talk to a real person when you have a question, 7 days a week. So go ahead, start enjoying your new life style, knowing answers to all your questions are only a call or an e-mail away. And the best part is all of our services come with a 30-day, risk-free trial. We believe in not only finding exactly the right plan for you, but making sure you’re completely satisfied with it, too.
"The Smart Home features they installed, such as thermostat and door locks, etc. do not always work. For example, the Honeywell thermostat can no longer be operated from our phones and is difficult to install. Remote door locks are also unpredictable."
William B on November 2019
The Harmony, RI homeowners’ guide to home security system services
From average costs to expert advice, get all the answers you need to get your job done.
Motion-sensor lighting costs vary greatly because they have so many customizations available. Learn more by using this cost guide about motion-sensor lights.
Discover how much smoke detector installation costs. Understand your out-of-pocket expenses so you can protect your family and home.
A security camera system gives you peace of mind that there’s always a watchful eye on your home. Learn the costs of installing surveillance cameras.
Wondering where to place security cameras inside and outside of your home? Get expert guidance on the best locations for surveillance.
Learn how to secure an apartment by fortifying entry points, using tech, and building neighborly bonds with these 12 tips.
Stay warm and safe with these 9 essential space heater safety tips to prevent fires, protect kids or pets, and keep your home cozy all winter long.
- Greenville, RI Home security system pros
- North Scituate, RI Home security system pros
- Scituate, RI Home security system pros
- Chepachet, RI Home security system pros
- Mapleville, RI Home security system pros
- Smithfield, RI Home security system pros
- North Smithfield, RI Home security system pros
- Johnston, RI Home security system pros
- Burrillville, RI Home security system pros
- Harrisville, RI Home security system pros
- North Providence, RI Home security system pros
- Slatersville, RI Home security system pros
- Lincoln, RI Home security system pros
- Pascoag, RI Home security system pros
- Manville, RI Home security system pros
- Albion, RI Home security system pros
- Providence, RI Home security system pros
- Providence, RI Home security system pros
- Cranston, RI Home security system pros
- Foster, RI Home security system pros
- Woonsocket, RI Home security system pros
- Rumford, RI Home security system pros
- Millville, MA Home security system pros
- Central Falls, RI Home security system pros
- Valley Falls, RI Home security system pros
- Cumberland, RI Home security system pros
- Blackstone, MA Home security system pros
- Pawtucket, RI Home security system pros
- Riverside, RI Home security system pros
- East Providence, RI Home security system pros