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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon886
    Verified fire sprinkler services reviews

Find Fire sprinkler pros in Dedham

Avatar for DiOrio Builders & Designers Inc

DiOrio Builders & Designers Inc

4.58(
125
)
Approved Pro

DiOrio Builders & Designers Inc

4.58(
125
)
Approved Pro
Customers say: Quality work
20 local quotes requested
59 years of experience

DiOrio Builders and Designers Inc. is a fully licensed and insured company committed to providing homeowners with the highest level of craftsmanship. Built on old fashioned values we are experienced specialists that will complete your project to exact specifications in a timely manner. Quality work is our priority while paying special attention to detail. No job is too big or too small.

"They gave a good estimate of work to be completed and contract laid everything out clearly and completely. They were well organized and had great communication. They kept the job site clean each day and the work was well done."

Melissa C on October 2025

DiOrio Builders and Designers Inc. is a fully licensed and insured company committed to providing homeowners with the highest level of craftsmanship. Built on old fashioned values we are experienced specialists that will complete your project to exact specifications in a timely manner. Quality work is our priority while paying special attention to detail. No job is too big or too small.

"They gave a good estimate of work to be completed and contract laid everything out clearly and completely. They were well organized and had great communication. They kept the job site clean each day and the work was well done."

Melissa C on October 2025


Avatar for Gervais Plumbing & Heating Inc

Gervais Plumbing & Heating Inc

3.71(
7
)
Approved Pro

Gervais Plumbing & Heating Inc

3.71(
7
)
Approved Pro
Customers say: Quick response
57 local quotes requested

18 Years in Business Gervais Mechanical Service LLC is a fully licensed, local, family-run business. With more than 100 years of combined experience, we strive to bring our customers exceptional repair and installation services they can rely on. We offer turnkey solutions for both residential and commercial customers — no job is too large or complex for our expert team.

"Absolute ripoff, along with shady business practices. They were prompt and courteous, but that's about it. The technician came and had to replace a $200 part on my boiler, it took him under an hour to do the work. A simple Google search showed at least 10 places to buy the exact part, all around $200. No other parts were needed for this repair, I researched what is involved. I was charged almost $1000, including their $89 diagnostic fee just to walk in the door. So apparently it's a $600+/hour labor rate? I'm obviously in the wrong line of work. This was not an off hours emergency call either, it was a scheduled appointment in the middle of a weekday. The shadiest part of the entire thing was that on the invoice (that they email you later) they bury all the cost, it's not itemized i.e. labor vs parts cost. It just says replaced (part) = $1000. A super scummy and shady way to run a "professional" business, taking advantage of people who don't know any better. I wouldn't be surprised if they also sell used cars. Never again Gervais. You've all been warned."

Jeffrey J on January 2025

18 Years in Business Gervais Mechanical Service LLC is a fully licensed, local, family-run business. With more than 100 years of combined experience, we strive to bring our customers exceptional repair and installation services they can rely on. We offer turnkey solutions for both residential and commercial customers — no job is too large or complex for our expert team.

"Absolute ripoff, along with shady business practices. They were prompt and courteous, but that's about it. The technician came and had to replace a $200 part on my boiler, it took him under an hour to do the work. A simple Google search showed at least 10 places to buy the exact part, all around $200. No other parts were needed for this repair, I researched what is involved. I was charged almost $1000, including their $89 diagnostic fee just to walk in the door. So apparently it's a $600+/hour labor rate? I'm obviously in the wrong line of work. This was not an off hours emergency call either, it was a scheduled appointment in the middle of a weekday. The shadiest part of the entire thing was that on the invoice (that they email you later) they bury all the cost, it's not itemized i.e. labor vs parts cost. It just says replaced (part) = $1000. A super scummy and shady way to run a "professional" business, taking advantage of people who don't know any better. I wouldn't be surprised if they also sell used cars. Never again Gervais. You've all been warned."

Jeffrey J on January 2025


"W.Day Contracting did a full bathroom remodel, (walk-in tile shower, new tile floor, new vanity, toilet, closet, exhaust fan) rand I was more than happy with the results. He stayed true to the quote, and everything was done perfectly. If you want a new bathroom this company is phenomenal."

Dean D on November 2024

We specialize in residential remodeling. Whether it be kitchen, baths, or basements, we strive to deliver an excellent finished product in a timely manner. Our team of professionals are here to meet any of your remodeling needs.

"W.Day Contracting did a full bathroom remodel, (walk-in tile shower, new tile floor, new vanity, toilet, closet, exhaust fan) rand I was more than happy with the results. He stayed true to the quote, and everything was done perfectly. If you want a new bathroom this company is phenomenal."

Dean D on November 2024


Avatar for Cotti-Johnson Heating-Cooling-Electrical

Cotti-Johnson Heating-Cooling-Electrical

4.68(
155
)
Approved Pro

Cotti-Johnson Heating-Cooling-Electrical

4.68(
155
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
960 local quotes requested

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


Kenny Builders

5.00(
12
)
Approved Pro

Kenny Builders

5.00(
12
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
21 local quotes requested

General contractor, remodeling, new construction, fine custom building. All phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! Don't see your need on our list of services? Give us a call to further discuss your needs!

"Fearghal Kenny turned our 130-year-old Victorian attic into a beautiful living space with modern aesthetics and time-period sensibilities. He is a highly skilled craftsman with years of experience and a fantastic eye for detail. He managed his team of quality subcontractors beautifully. He was flexible, responded immediately to inquiries, and was respectful of requests. Our new living space, which includes a bathroom, is absolutely beautiful! We highly recommend Kenny Builders and plan to hire him for our next project."

Carolyn N on August 2023

General contractor, remodeling, new construction, fine custom building. All phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! Don't see your need on our list of services? Give us a call to further discuss your needs!

"Fearghal Kenny turned our 130-year-old Victorian attic into a beautiful living space with modern aesthetics and time-period sensibilities. He is a highly skilled craftsman with years of experience and a fantastic eye for detail. He managed his team of quality subcontractors beautifully. He was flexible, responded immediately to inquiries, and was respectful of requests. Our new living space, which includes a bathroom, is absolutely beautiful! We highly recommend Kenny Builders and plan to hire him for our next project."

Carolyn N on August 2023


Avatar for Royal Contracting

Royal Contracting

4.86(
145
)
Approved Pro

Royal Contracting

4.86(
145
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
12 local quotes requested

Royal Contracting was established in 1999 and has experienced steady growth ever since. Its owner, Dermot McElligott has over 20 years experience in the construction field. Our mission is to provide top quality craftsmanship while maintaining superior customer care. We pride ourselves on long term relationships with our customers by ensuring each job is met with 100% customer satisfaction. We are a general contracting service specializing in kitchen and bath remodeling, as well as running a carpentry and handyman service and interior and exterior painting. We do it all! No job is too large or too small! Additional DBA - Dermot McElligott. Award winning.

"Project was completed in a timely fashion at the agreed upon price."

Alex M on February 2025

Royal Contracting was established in 1999 and has experienced steady growth ever since. Its owner, Dermot McElligott has over 20 years experience in the construction field. Our mission is to provide top quality craftsmanship while maintaining superior customer care. We pride ourselves on long term relationships with our customers by ensuring each job is met with 100% customer satisfaction. We are a general contracting service specializing in kitchen and bath remodeling, as well as running a carpentry and handyman service and interior and exterior painting. We do it all! No job is too large or too small! Additional DBA - Dermot McElligott. Award winning.

"Project was completed in a timely fashion at the agreed upon price."

Alex M on February 2025


MPNF Plumbing

New on AngiNew on Angi
Approved Pro

MPNF Plumbing

New on AngiNew on Angi
Approved Pro
25 years of experience
Free onsite estimate

At MPNF Plumbing we pride ourselves on being the best plumbing company in the area. We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!

At MPNF Plumbing we pride ourselves on being the best plumbing company in the area. We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!


Avatar for Goldstar Builders

Goldstar Builders

5.00(
4
)
Approved Pro

Goldstar Builders

5.00(
4
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
9 years of experience

We're a locally owned and operated company with over 16 years of industry experience. We value honesty and integrity, and stand behind our work. We specialize in cabinetry installation, custom closets, interior trim and decorative molding, built-in furniture and a variety of related projects. We pride ourselves on the quality of work as well as our commitment to outstanding results. We look forward to building long-term relationships with our clients and guarantee your satisfaction!

"Neil was easy to work with, respected my home and worked quickly!"

Eric B on February 2021

We're a locally owned and operated company with over 16 years of industry experience. We value honesty and integrity, and stand behind our work. We specialize in cabinetry installation, custom closets, interior trim and decorative molding, built-in furniture and a variety of related projects. We pride ourselves on the quality of work as well as our commitment to outstanding results. We look forward to building long-term relationships with our clients and guarantee your satisfaction!

"Neil was easy to work with, respected my home and worked quickly!"

Eric B on February 2021


Avatar for Nexus General Contracting

Nexus General Contracting

5.00(
4
)
Approved Pro

Nexus General Contracting

5.00(
4
)
Approved Pro
Customers say: Quick response
4 years of experience

Nexus General Contracting offers residential construction services, specializing in additions, basement, kitchen and bathroom remodels. Led by an experienced female contractor, the company focuses on meticulous attention to detail to bring your dream home to life. Call us today to discuss about your remodel or addition project.

"Nexus finished a basement (plaster walls, drywall ceiling, vinyl flooring, lighting and baseboards) and remodeled a bathroom (tile, drywall, tub/toilet/vanity installation). Caroline was great to work with. She kept us informed at each step of the way, and was communicative about deadlines and decisions that needed to be made. The crew was very pleasant to have in our home; though the project was disruptive they were very courteous at all times and made sure we were comfortable in the house while work was going on. The basement and bathroom came out beautifully. Would hire again."

Michael S on September 2023

Nexus General Contracting offers residential construction services, specializing in additions, basement, kitchen and bathroom remodels. Led by an experienced female contractor, the company focuses on meticulous attention to detail to bring your dream home to life. Call us today to discuss about your remodel or addition project.

"Nexus finished a basement (plaster walls, drywall ceiling, vinyl flooring, lighting and baseboards) and remodeled a bathroom (tile, drywall, tub/toilet/vanity installation). Caroline was great to work with. She kept us informed at each step of the way, and was communicative about deadlines and decisions that needed to be made. The crew was very pleasant to have in our home; though the project was disruptive they were very courteous at all times and made sure we were comfortable in the house while work was going on. The basement and bathroom came out beautifully. Would hire again."

Michael S on September 2023


"Bright knows exactly what he's doing and how to fix a major plumbing issue. Very professional, prompt, has very clear communication, is hard working, very hard working, and personable. He has the proper equipment do diagnose and fix the problem in a timely manner. His knowledge of plumbing is also exemplary. It was a pleasure doing business with him and will hire him for future jobs. Thank you Bright!"

Ava D on January 2022

We pride ourselves on reliability, communication, integrity, and quality work. We are experts in our trade. We look forward to earning your business! Please call 978-941 5561 For all drain and sewer services

"Bright knows exactly what he's doing and how to fix a major plumbing issue. Very professional, prompt, has very clear communication, is hard working, very hard working, and personable. He has the proper equipment do diagnose and fix the problem in a timely manner. His knowledge of plumbing is also exemplary. It was a pleasure doing business with him and will hire him for future jobs. Thank you Bright!"

Ava D on January 2022

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Fire Sprinkler Companies questions, answered by experts

Drip irrigation is best and most commonly used for plant beds, containers, greenhouses, and row crops. Unless you’re building a home and landscaping from scratch, installing subsurface drip irrigation is going to be costly and time-consuming. 

You can’t install such a system in a yard with tree roots; ultimately, the expenses of yard preparation and installation will dwarf the savings unless your yard is unusually shaped or difficult to water. An above-surface solution, like a soaker hose, is a more viable option. However, it can create tripping hazards and pose safety issues while using a lawn mower and other machinery.

Most modern sprinkler systems separate your lawn into distinct zones, each with its own sprinkler valve and multiple sprinkler heads. All of the zones run through the same controller.

Zoned irrigation systems distribute the correct amount of water to various parts of your lawn based on their sizes and watering needs. For example, a large grassy zone in the sun will have different watering requirements than a shrubby area in the shade.

Sprinkler valves typically have 16 AWG or 18 AWG wires. AWG, or American Wire Gauge, is the standard measurement for wire gauge sizing in the U.S. The gauge is the thickness of the wire, with higher AWG numbers indicating thinner wires. You can find the gauge measurement in your sprinkler system’s user manual or on the sprinkler manufacturer’s website.

When installing a sprinkler system, make sure that all of the sprinklers are at least 2 feet away from your house. If they’re closer than that, they might spray your foundation, walls, window wells, or other parts of your house, which could lead to water damage, flooding, or mold growth inside your home.

For many homes, sprinkler rain sensors are worth it. Since the sensor stops your sprinklers from running when it’s raining, it’ll help you save water and, in turn, reduce your water bills. As a result, your rain sensor could easily pay for itself over its lifetime. Rain sensors also help prevent overwatering, a common lawn irrigation mistake that can damage your grass.

The Dedham, MA homeowners’ guide to fire sprinkler services

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

What do you need done? We’ll find top pros.
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