Marica William from Graboyes came to my house and she brought samples. She was very professional. The windows came in and I had them installed yesterday. The installers were so fantastic. I would use Graboyes again.

Get matched with top smoke detector installation pros in King Of Prussia, PA
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TRUSTED BY KING OF PRUSSIA, PA HOMEOWNERS
4.6
Average homeowner rating957
Verified smoke detector installation services reviews
Verified Reviews for Smoke Detector Installation pros in King Of Prussia, PA
Last update on October 12, 2025
- Joann J.
- Dan B.
Brian was very thorough with explanation of what I needed. He did the install. All is good and price was right.
- Mary A.
She raved about them. She said the installers were nice, professional and thorough. They were on time and said to call if she had any problems or questions. She would definitely recommend them
- Greg V.
We stopped in to see what kinds of options were available, and there were several which fit the requirements. Costs were again reasonable, and the install only took a couple of hours (since it was a replacement). FIreplace looks great and it's much better at heating the room than the old...
- William P.
Installed new water heater. Great service at reasonable price.
Find Smoke detector installation pros in King Of Prussia

BRAD BROWN ELECTRIC
BRAD BROWN ELECTRIC
Our focus at Brad Brown Electric is to deliver the highest standard of electrical services to residential customers. Our work is precisely planned, efficiently executed, and neatly completed with as little impact as possible on your home. We provide estimates on site to give the best recommendation to give you wiring with integrity, which includes a small fee. Call us at 610-955-9622 to set up an appointment.
"Brad Brown & team are amazing. I hired Mr. Brown for a challenging job at my 1950's home and he came thru 100%. His creativity & attention to every minute details was awesome to observe. He was quick to come out to our home, give us an estimate on the spot, kept in touch along the way as he waiting for special parts he needed to order, and showed up on time on the promised date. I would recommend Brad Brown without hesitation to friends and family. I will hire him without a doubt next time I need electrical work done."
Alfredo B on June 2025
Our focus at Brad Brown Electric is to deliver the highest standard of electrical services to residential customers. Our work is precisely planned, efficiently executed, and neatly completed with as little impact as possible on your home. We provide estimates on site to give the best recommendation to give you wiring with integrity, which includes a small fee. Call us at 610-955-9622 to set up an appointment.
"Brad Brown & team are amazing. I hired Mr. Brown for a challenging job at my 1950's home and he came thru 100%. His creativity & attention to every minute details was awesome to observe. He was quick to come out to our home, give us an estimate on the spot, kept in touch along the way as he waiting for special parts he needed to order, and showed up on time on the promised date. I would recommend Brad Brown without hesitation to friends and family. I will hire him without a doubt next time I need electrical work done."
Alfredo B on June 2025
John Gambino Electric
John Gambino Electric
With over 35 years of experience, the master electrician team at John Gambino Electric are more than qualified to take care of all your electrical needs - and much more! From whole house rewiring projects to installing your new, shiny appliance, no job is too big (or too small) to handle. Expert precision and craftsmanship, paired with a courteous and respectful company policy, we stay flexible to get the job done without disturbing your daily life schedule and leave your home just as clean as we found it - sometimes cleaner! Our professionally licensed team communicates with you during the whole process to assure the project is done on time, on budget, and most importantly, done right! Call us today at (484) 994-1030
"Easy to communicate with, timely, and reasonable price. Would definitely use in the future."
Leah L on December 2023
With over 35 years of experience, the master electrician team at John Gambino Electric are more than qualified to take care of all your electrical needs - and much more! From whole house rewiring projects to installing your new, shiny appliance, no job is too big (or too small) to handle. Expert precision and craftsmanship, paired with a courteous and respectful company policy, we stay flexible to get the job done without disturbing your daily life schedule and leave your home just as clean as we found it - sometimes cleaner! Our professionally licensed team communicates with you during the whole process to assure the project is done on time, on budget, and most importantly, done right! Call us today at (484) 994-1030
"Easy to communicate with, timely, and reasonable price. Would definitely use in the future."
Leah L on December 2023

Generation 3 Electric & HVAC
Generation 3 Electric & HVAC
GEN3 is Your Friendly Neighborhood Home Expert, serving Philadelphia and the surrounding areas for 25 years. Give us a call for all of your electrical, heating & cooling and water heater needs!
"Gen 3 came out, gave us a couple options to choose from, and performed the needed maintenance. Went smoothly. Thanks!"
Eddie R on April 2025
GEN3 is Your Friendly Neighborhood Home Expert, serving Philadelphia and the surrounding areas for 25 years. Give us a call for all of your electrical, heating & cooling and water heater needs!
"Gen 3 came out, gave us a couple options to choose from, and performed the needed maintenance. Went smoothly. Thanks!"
Eddie R on April 2025

Lights On Electric
Lights On Electric
Lights On Electric is a residential electrical company, specializing in emergency services. Our electricians have decades of experience completing services which range from partial power outages, to light switch and car charger installation. We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!
"Aside from a wire being a little loose from reconnecting my solar panel everything went great. The staff was great and polite"
Jerome L on August 2025
Lights On Electric is a residential electrical company, specializing in emergency services. Our electricians have decades of experience completing services which range from partial power outages, to light switch and car charger installation. We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!
"Aside from a wire being a little loose from reconnecting my solar panel everything went great. The staff was great and polite"
Jerome L on August 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.
"There’s nothing like having the best of the best. I’ve used the other big security names before like Vivint and Brinks. They are OK. But after getting acclimated with ADT, it is clear why they are the best. Pricing is fair, equipment is reliable, and every one genuinely seems happy at their job. This goes a long way to a paying customer. Just our perspective for anyone else that is considering all of the big providers in the alarm system landscape. ADT is well well worth it."
Brianne E on October 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.
"There’s nothing like having the best of the best. I’ve used the other big security names before like Vivint and Brinks. They are OK. But after getting acclimated with ADT, it is clear why they are the best. Pricing is fair, equipment is reliable, and every one genuinely seems happy at their job. This goes a long way to a paying customer. Just our perspective for anyone else that is considering all of the big providers in the alarm system landscape. ADT is well well worth it."
Brianne E on October 2025

Bernstein Electric
Bernstein Electric
Quality service, affordable prices, quick response. Panel upgrades, panel swaps, service upgrades (100-200amp), EV chargers, rewires, outlet and switches install, under cabinet lights, recessed lights, ceilings fans, and CCTV
"Had an outlet put in within the toilet room. Sid was respectful, punctual, and great with communicating. I do feel like the $225 I paid for an outlet installation was definitely on the high end, tho."
Madison M on September 2023
Quality service, affordable prices, quick response. Panel upgrades, panel swaps, service upgrades (100-200amp), EV chargers, rewires, outlet and switches install, under cabinet lights, recessed lights, ceilings fans, and CCTV
"Had an outlet put in within the toilet room. Sid was respectful, punctual, and great with communicating. I do feel like the $225 I paid for an outlet installation was definitely on the high end, tho."
Madison M on September 2023

Soma Electrical Construction Inc
Soma Electrical Construction Inc
I want to introduce Soma Electrical Construction company and products I won't tell you what you've heard a thousand times before; I will tell you whatever electrical problems or preventative maintenance issues you may have or would like to address there is always a solution. Just reach out to us and have a conversation, bidding a job, as well as time and material pricing available for both residential and commercial applications. Thanks for your time! and stay safe during these life changing times. Your local electrician Craig.
"Great job!"
Jon C on July 2024
I want to introduce Soma Electrical Construction company and products I won't tell you what you've heard a thousand times before; I will tell you whatever electrical problems or preventative maintenance issues you may have or would like to address there is always a solution. Just reach out to us and have a conversation, bidding a job, as well as time and material pricing available for both residential and commercial applications. Thanks for your time! and stay safe during these life changing times. Your local electrician Craig.
"Great job!"
Jon C on July 2024

Dewy Electric LLC
Dewy Electric LLC
Dewy Electric LLC provides general Electrical services for Residential and Commercial Projects. We are family owned and operated we focus on quality affordability and great customer service. Give us a call to get your next project started.
"Dan did a terrific job. He was extremely thorough and explained everything that he was doing in clear, understandable language. In addition, his pricing was extremely fair for the size of the job. I would not hesitate to hire him again for any electrical needs and have already recommended him to friends and family."
Dennis F on June 2025
Dewy Electric LLC provides general Electrical services for Residential and Commercial Projects. We are family owned and operated we focus on quality affordability and great customer service. Give us a call to get your next project started.
"Dan did a terrific job. He was extremely thorough and explained everything that he was doing in clear, understandable language. In addition, his pricing was extremely fair for the size of the job. I would not hesitate to hire him again for any electrical needs and have already recommended him to friends and family."
Dennis F on June 2025
SHIELD Security Systems of Lehigh Valley
SHIELD Security Systems of Lehigh Valley
SHIELD Security Systems Lehigh Valley, PA is a member of the SHIELD Group of Companies, a national network of locally owned electronic security companies offering exceptional service and expertise to home and business owners. We look forward to welcoming you to our family of happy clients.
"Everything had gone very smoothly..I cannot say enough good things about these highly skilled individuals.."
Robert S on January 2022
SHIELD Security Systems Lehigh Valley, PA is a member of the SHIELD Group of Companies, a national network of locally owned electronic security companies offering exceptional service and expertise to home and business owners. We look forward to welcoming you to our family of happy clients.
"Everything had gone very smoothly..I cannot say enough good things about these highly skilled individuals.."
Robert S on January 2022

Horizon Services
Horizon Services
Horizon Services is the region’s largest and most well respected plumbing, heating and air conditioning company, with nearly 600 employees serving tens of thousands of homeowners throughout Delaware, Southeastern Pennsylvania, Southern New Jersey, and Northeastern Maryland. After a quarter of a century in business, Horizon Services remains fully committed to setting the industry standard for customer service, installation, and focusing on things that are important to busy homeowners: respect for their time, their home and their property; up-front pricing, and an unconditional 100% money back guarantee. Horizon Services is the Heating Company Your Friends and Neighbors Call to Keep Warm All Winter Long!
"I wouldn’t be writing this Review if one thing would have happened, TALK TO ME. Don’t place the answering service in the position of telling a Customer that the Supervisor has left for the day at 2.45p on a Thursday. Especially when the Horizon repairman had just fried our whole cooling system, including the thermostat!! What started with a bad fan motor in a new AC system that was only 3.5 years old in a $10,000 system, for which we had waited 4 days for the new motor to be installed. Add to that the fact that the repairman told me he would be at our home at 8.30a and didn’t arrive until 11.30a - after having to use a vacation day to wait at home for them to arrive. Then telling me this will be ‘quick’ all I have to do is switch out the motor by mounting it and plugging in the new one. Hours went by, nothing. He comes in to test the thermostat and it is non-responsive. He tells me to get new batteries, which I did. Then asks me, “these are new?” To which I say, ‘of course’ - you watched me take them out of the box. Then he goes out to his truck for the next 1.5hrs, supposedly speaks with his Supervisor and comes in and tells me that he has fried the system. I reply by saying I will be calling a senior person to speak with them. Called 4 times and never spoke with anyone. Each time I waited on hold for an extended period of time. Each time, I was then told by the answering service that someone would call and never did. Then at 2.45p I am told “everyone has left for the day” and no one would be calling. This was a Thursday, I had been home all day and no one would speak with me. We remain without an AC system, no plan, no calls - - nothing!!! If I could rate them a ZERO, I would,"
Scott M on June 2025
Horizon Services is the region’s largest and most well respected plumbing, heating and air conditioning company, with nearly 600 employees serving tens of thousands of homeowners throughout Delaware, Southeastern Pennsylvania, Southern New Jersey, and Northeastern Maryland. After a quarter of a century in business, Horizon Services remains fully committed to setting the industry standard for customer service, installation, and focusing on things that are important to busy homeowners: respect for their time, their home and their property; up-front pricing, and an unconditional 100% money back guarantee. Horizon Services is the Heating Company Your Friends and Neighbors Call to Keep Warm All Winter Long!
"I wouldn’t be writing this Review if one thing would have happened, TALK TO ME. Don’t place the answering service in the position of telling a Customer that the Supervisor has left for the day at 2.45p on a Thursday. Especially when the Horizon repairman had just fried our whole cooling system, including the thermostat!! What started with a bad fan motor in a new AC system that was only 3.5 years old in a $10,000 system, for which we had waited 4 days for the new motor to be installed. Add to that the fact that the repairman told me he would be at our home at 8.30a and didn’t arrive until 11.30a - after having to use a vacation day to wait at home for them to arrive. Then telling me this will be ‘quick’ all I have to do is switch out the motor by mounting it and plugging in the new one. Hours went by, nothing. He comes in to test the thermostat and it is non-responsive. He tells me to get new batteries, which I did. Then asks me, “these are new?” To which I say, ‘of course’ - you watched me take them out of the box. Then he goes out to his truck for the next 1.5hrs, supposedly speaks with his Supervisor and comes in and tells me that he has fried the system. I reply by saying I will be calling a senior person to speak with them. Called 4 times and never spoke with anyone. Each time I waited on hold for an extended period of time. Each time, I was then told by the answering service that someone would call and never did. Then at 2.45p I am told “everyone has left for the day” and no one would be calling. This was a Thursday, I had been home all day and no one would speak with me. We remain without an AC system, no plan, no calls - - nothing!!! If I could rate them a ZERO, I would,"
Scott M on June 2025
The King Of Prussia, PA homeowners’ guide to smoke detector installation services
From average costs to expert advice, get all the answers you need to get your job done.
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Discover wall safe installation cost details. Learn about average prices, key cost factors, and tips to save on your wall safe project.
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Discover the average smart home system cost, including key price factors and tips to save on installation, devices, and ongoing expenses.
How much does it cost to install a doorbell camera? It depends on whether you plan to DIY or hire a pro. Learn about different models and their power sources, too.
Learn how to install a doorbell camera—whether it’s wired or wireless—with this guide. Know the steps so you can decide whether to DIY the job or hire a pro.
This guide will help you disconnect a home alarm system, whether you’re installing a new system or just want old electronics out of your house.
Tired of pesky smoke alarm beeps? They might signal a serious emergency—or a simple battery change. Learn how to silence those annoying beeps.
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- 🌱 "Mow a small front yard"
- 🛠 "Fix a leaking pipe under the sink"
- 🏠 "Repair shingles on an asphalt roof"