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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon681
    Verified boiler repairs reviews

Find Boiler repair pros in Kingston

Avatar for Sila Heating, Cooling, Plumbing and Electrical

Sila Heating, Cooling, Plumbing and Electrical

4.54(
5,210
)
Approved Pro

Sila Heating, Cooling, Plumbing and Electrical

4.54(
5,210
)
Approved Pro
Customers say: Super punctual
36 years of experience
Free onsite estimate

Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!

"Great, as always. Sila is outstanding. We have a service contract with them for our furnace and AC and they keep them in tip-top shape. And when we have an urgent or emergency situation (heating, cooling, plumbing, electrical), they're who we call."

Jonathan P on November 2025

Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!

"Great, as always. Sila is outstanding. We have a service contract with them for our furnace and AC and they keep them in tip-top shape. And when we have an urgent or emergency situation (heating, cooling, plumbing, electrical), they're who we call."

Jonathan P on November 2025


Avatar for ACQ Home Improvement

ACQ Home Improvement

4.94(
8
)
Approved Pro

ACQ Home Improvement

4.94(
8
)
Approved Pro
Customers say: Quick response
25 years of experience
Free onsite estimate

With over 20 yrs of experience, ACQ Home Improvement is dedicated to providing our customers with the best quality at a great price. In addition, we are here to build relationships with our customers and communities and provide our employees with a great place to work. We look forward to working with you!

"Jeremy and crew are professional, and expert at what they do. Very customer focused and back their work 100 percent. It was a pleasure working with them"

Curt C on March 2023

With over 20 yrs of experience, ACQ Home Improvement is dedicated to providing our customers with the best quality at a great price. In addition, we are here to build relationships with our customers and communities and provide our employees with a great place to work. We look forward to working with you!

"Jeremy and crew are professional, and expert at what they do. Very customer focused and back their work 100 percent. It was a pleasure working with them"

Curt C on March 2023


Reliant Plumbing & Heating, LLC

5.00(
21
)
Approved Pro

Reliant Plumbing & Heating, LLC

5.00(
21
)
Approved Pro
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
16 years of experience

Anthony has over 20 years of experience in the trade. He graduated from Whittier Tech High School in Amesbury, MA with a concentration in plumbing. After high school he attended The Peterson School which has one of the best comprehensive training program in the New England Area that prepared him for his journeyman license testing that he took at age 23. Two short years later, Anthony received his Plumbing Masters License from the State of Massachusetts. Being an ambitious person paired with understanding the value that education provides to customers, he continued on to receive a total of 7 licenses that he still holds today. Anthony has the following licenses: MA ?Masters in Plumbing, MA -Journeyman in Plumbing, MA -Master in Sheet Metal, MA -Oil Burner Technician, NH -Master in Plumbing, NH - Gas Technician, and EPA Certification.

"Reliant Plumbing and Heating is my go to guy. He has replaced my water heater and air conditioning compressor. His an expert in many ways. He is alway reliable, honest and hardworking. He answers all questions that I have asked of him. I would recommend hum as a superior plumber. If you need the best, ask for Reliant. "

Gerry Q on July 2025

Anthony has over 20 years of experience in the trade. He graduated from Whittier Tech High School in Amesbury, MA with a concentration in plumbing. After high school he attended The Peterson School which has one of the best comprehensive training program in the New England Area that prepared him for his journeyman license testing that he took at age 23. Two short years later, Anthony received his Plumbing Masters License from the State of Massachusetts. Being an ambitious person paired with understanding the value that education provides to customers, he continued on to receive a total of 7 licenses that he still holds today. Anthony has the following licenses: MA ?Masters in Plumbing, MA -Journeyman in Plumbing, MA -Master in Sheet Metal, MA -Oil Burner Technician, NH -Master in Plumbing, NH - Gas Technician, and EPA Certification.

"Reliant Plumbing and Heating is my go to guy. He has replaced my water heater and air conditioning compressor. His an expert in many ways. He is alway reliable, honest and hardworking. He answers all questions that I have asked of him. I would recommend hum as a superior plumber. If you need the best, ask for Reliant. "

Gerry Q on July 2025


"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


Avatar for Top Dog Sewer & Drain

Top Dog Sewer & Drain

4.87(
36
)
Approved Pro

Top Dog Sewer & Drain

4.87(
36
)
Approved Pro
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
7 years of experience

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.

"Charlie came out and in no time cleared the blockage. When I called they said about 2 hrs , he was here within an hr. He was very professional, knowledgeable and affordable. Definitely recommend this company."

Pamela P on February 2025

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.

"Charlie came out and in no time cleared the blockage. When I called they said about 2 hrs , he was here within an hr. He was very professional, knowledgeable and affordable. Definitely recommend this company."

Pamela P on February 2025


Avatar for Easy A's Plumbing & Heating, LLC

Easy A's Plumbing & Heating, LLC

4.50(
3
)
Approved Pro

Easy A's Plumbing & Heating, LLC

4.50(
3
)
Approved Pro
Customers say: Terrific value
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
19 years of experience

Welcome to Easy A's Plumbing & Heating, LLC. We are excited to exceed your expectations. As experts, we will handle your needs with the high quality expertise that your home or business deserves. We offer competitive prices, and customer satisfaction is our number one priority. Call us now!

"It took much longer than expected, but they were so much more reasonable price wise, it was worth the wait."

Paula S on July 2019

Welcome to Easy A's Plumbing & Heating, LLC. We are excited to exceed your expectations. As experts, we will handle your needs with the high quality expertise that your home or business deserves. We offer competitive prices, and customer satisfaction is our number one priority. Call us now!

"It took much longer than expected, but they were so much more reasonable price wise, it was worth the wait."

Paula S on July 2019


Cool Air

New on AngiNew on Angi
Approved Pro

Cool Air

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

At Cool Air, we take great pride in our experience, expertise, quality and customer service that we provide to meet the consumer's 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.

At Cool Air, we take great pride in our experience, expertise, quality and customer service that we provide to meet the consumer's 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.


Avatar for Derry Plumbing & Heating

Derry Plumbing & Heating

4.50(
30
)
Approved Pro

Derry Plumbing & Heating

4.50(
30
)
Approved Pro
Customers say: Quality work
36 years of experience
Free onsite estimate

If you�re familiar with plumbing, you know that doing it right takes just the right recipe: two parts job knowledge and three parts skill. At Londonderry Plumbing and Heating, we provide everything you need to secure the perfect plumbing solution, a mixture that will do you right, just like home cooking! No job is too small or too challenging for our dedicated professionals! Londonderry Plumbing and Heating can tackle your most challenging plumbing problems and do so at affordable rates. If you are looking for a plumber who is highly qualified, quick to respond and a pleasure to do business with, give us a call. We look forward to adding you to our list of satisfied customers!

"Great service! Emergency service and done within the day!"

Bonnie S on May 2025

If you�re familiar with plumbing, you know that doing it right takes just the right recipe: two parts job knowledge and three parts skill. At Londonderry Plumbing and Heating, we provide everything you need to secure the perfect plumbing solution, a mixture that will do you right, just like home cooking! No job is too small or too challenging for our dedicated professionals! Londonderry Plumbing and Heating can tackle your most challenging plumbing problems and do so at affordable rates. If you are looking for a plumber who is highly qualified, quick to respond and a pleasure to do business with, give us a call. We look forward to adding you to our list of satisfied customers!

"Great service! Emergency service and done within the day!"

Bonnie S on May 2025


George E. Maihos Electric

4.88(
49
)
Approved Pro

George E. Maihos Electric

4.88(
49
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
45 years of experience

George E. Maihos Electric has been in business as a Master Licensed electrical contractor since 1980, with over 45 years of experience! As a former State of NH Electrical Licensing Board member, local electrical inspector, and certified electrical inspector, we have the knowledge and ability to specialize in all of your home and business electrical needs. From a small electrical repair of your switches, outlets, or fixtures to electrical upgrades, new additions for your home or business, we are here for you. We strive to exceed the homeowners' expectations each and every time and get the job done the way you want it. We work in a timely fashion and always pay close attention to detail. Please call for a free estimate or for answers to your electrical questions or concerns.

"George was very easy to work with, flexible with scheduling and on time when the day was finalized. We had a Ring floodlight cam installed and the price was very reasonable. Highly recommend George, we ll be using him for future projects."

Jessica B on January 2020

George E. Maihos Electric has been in business as a Master Licensed electrical contractor since 1980, with over 45 years of experience! As a former State of NH Electrical Licensing Board member, local electrical inspector, and certified electrical inspector, we have the knowledge and ability to specialize in all of your home and business electrical needs. From a small electrical repair of your switches, outlets, or fixtures to electrical upgrades, new additions for your home or business, we are here for you. We strive to exceed the homeowners' expectations each and every time and get the job done the way you want it. We work in a timely fashion and always pay close attention to detail. Please call for a free estimate or for answers to your electrical questions or concerns.

"George was very easy to work with, flexible with scheduling and on time when the day was finalized. We had a Ring floodlight cam installed and the price was very reasonable. Highly recommend George, we ll be using him for future projects."

Jessica B on January 2020


Avatar for Septic Designs of NH, LLC

Septic Designs of NH, LLC

4.75(
25
)
Approved Pro

Septic Designs of NH, LLC

4.75(
25
)
Approved Pro
Customers say: Terrific value
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
21 local quotes requested

Septic Designs of NH LLC is a Veteran owned small business with BBB accreditation. We take great pride in our work and are not satisfied until you are. We do Septic Designs, Inspections, Tank Replacements, and Septic Repairs. We also clear main sewer lines and do Trenchless Pipe Repair. Which is a NO DIG solution for pipe replacements. Our jetter is also a HEATED jetter for that tough grease or other buildup where you need some extra hot water to really clean the pipe.

"I called every plumber around and Septic Design of NH had the best price to put a camera down the sewer line. Problem was located in no time."

Vickie C on September 2021

Septic Designs of NH LLC is a Veteran owned small business with BBB accreditation. We take great pride in our work and are not satisfied until you are. We do Septic Designs, Inspections, Tank Replacements, and Septic Repairs. We also clear main sewer lines and do Trenchless Pipe Repair. Which is a NO DIG solution for pipe replacements. Our jetter is also a HEATED jetter for that tough grease or other buildup where you need some extra hot water to really clean the pipe.

"I called every plumber around and Septic Design of NH had the best price to put a camera down the sewer line. Problem was located in no time."

Vickie C on September 2021

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Boiler Repair questions, answered by experts

In most cases, you should hire a professional to carry out services on your HVAC system, as the components are complicated, expensive, and potentially dangerous to work with. However, there are a few things you can do on your own to keep your HVAC system in good condition, including changing your filters every three months, keeping the area around your outdoor condenser clear of debris and plant growth, making sure your or intakes aren’t blocked, and keeping an eye out for increased energy bills, strange noises, and unusual odors related to your equipment.

It can be difficult to determine the cause of a coolant leak unless you have the unit inspected by a certified professional. Most coolant leaks are caused by wear and tear on seals and joints. This typically happens five years after a unit is installed. Additionally, faulty or worn compressors, evaporator coils, and condenser coils can also cause leaks.

It is usually worth it to repair your HVAC system instead of replacing it. However, one exception is if your system is reaching the end of its life—usually 15 to 25 years. Otherwise, repairs will cost an average of $350, and a full HVAC replacement would total $7,500 in most cases, or between $5,000 and $22,000, depending on the type of system. A reputable HVAC repair company can inspect your system and let you know if replacing it would be more cost-effective.

At minimum, you should plan to have your HVAC system serviced once per year, usually leading into either the summer or winter before it sees heavy usage. If you live in a particularly cold, hot, or humid climate, consider servicing your HVAC system twice per year—once in the spring and once in the fall—to keep it running efficiently and prevent it from going down in the high-demand seasons. You can also schedule one-off services if you notice issues like uneven heating or cooling, poor performance, or strange noises from your equipment.

The best way to save money on HVAC repairs is by regularly having your system inspected and maintained. This can prevent bigger problems and costly repairs and replacements in the future. It’s also smart to buy quality equipment and hire companies that provide warranties on equipment and labor. If you need repairs, you may be able to save money by cashing in on rebates and incentives or keeping the area around your HVAC unit clear to shorten the time your contractor needs to spend in your home.

The Kingston, NH homeowners’ guide to boiler repairs

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