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Find Boiler repair pros in Shelter Island

Avatar for MSD Heating & Cooling

MSD Heating & Cooling

4.92(
60
)
Approved Pro

MSD Heating & Cooling

4.92(
60
)
Approved Pro
Customers say: Quality work
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
224 local quotes requested

NOTE I M SORRY FOR ALL , WE NOT DOING ANY TYPE OF PLUMBING, WORK. OIL FURNACE,OIL BOILER , OIL HOT WATER HEATER, WE ARE DOING GAS FURNACE, AND HEAT PUMP SYSTEM HEATING AND AIR CONDITIONING.THAT'S ALL , WE DONT DO BASEBOARD, RADIANT,ANY OIL APPLIANCE OR PLUMBING WORK . THANKS FOR UNDERSTANDING. MSD Heating and Cooling is now offering free estimates for all AC replacements and new installations. We have been in the business for over 18 years and we've been lucky enough to learn a thing or two over those years. We've even worked hard to make sure that our staff knows the most up-to-date information about all of your heating and cooling needs. Keeping you cool and warm is our goal!

"Reasonable price great work friendly and very clean staff"

Huseyin A on May 2022

NOTE I M SORRY FOR ALL , WE NOT DOING ANY TYPE OF PLUMBING, WORK. OIL FURNACE,OIL BOILER , OIL HOT WATER HEATER, WE ARE DOING GAS FURNACE, AND HEAT PUMP SYSTEM HEATING AND AIR CONDITIONING.THAT'S ALL , WE DONT DO BASEBOARD, RADIANT,ANY OIL APPLIANCE OR PLUMBING WORK . THANKS FOR UNDERSTANDING. MSD Heating and Cooling is now offering free estimates for all AC replacements and new installations. We have been in the business for over 18 years and we've been lucky enough to learn a thing or two over those years. We've even worked hard to make sure that our staff knows the most up-to-date information about all of your heating and cooling needs. Keeping you cool and warm is our goal!

"Reasonable price great work friendly and very clean staff"

Huseyin A on May 2022


Avatar for Proto Plumbing & Heating

Proto Plumbing & Heating

3.88(
4
)
Approved Pro

Proto Plumbing & Heating

3.88(
4
)
Approved Pro
3 years of experience
Free onsite estimate

With years of experience, Proto Plumbing and Heating is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Call us today!

"They did not complete the effective job that they said they going to do."

Chasiki B on October 2022

With years of experience, Proto Plumbing and Heating is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Call us today!

"They did not complete the effective job that they said they going to do."

Chasiki B on October 2022


REM Construction & Technical Service

New on AngiNew on Angi
Approved Pro

REM Construction & Technical Service

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

REM Construction & Technical Service Corporation is dedicated to providing professional quality work and customer service to each client we work with!

REM Construction & Technical Service Corporation is dedicated to providing professional quality work and customer service to each client we work with!


Avatar for Mayjac Plumbing, Inc.

Mayjac Plumbing, Inc.

4.92(
13
)
Approved Pro

Mayjac Plumbing, Inc.

4.92(
13
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
10 years of experience

At MayJac Plumbing Inc. we're dedicated to providing our clients with the very best service, installation, and repairs for all phases of their plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail we put into each of the projects we're involved with. Our goal at MayJac is to maintain a relationship with every customer for life. MayJac Plumbing Inc. is fully licensed and insured. We have over 18 years of experience. Call us today at (631) 909-1829 to discuss your all plumbing needs!

"Joe was great."

Nicholas U on June 2024

At MayJac Plumbing Inc. we're dedicated to providing our clients with the very best service, installation, and repairs for all phases of their plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail we put into each of the projects we're involved with. Our goal at MayJac is to maintain a relationship with every customer for life. MayJac Plumbing Inc. is fully licensed and insured. We have over 18 years of experience. Call us today at (631) 909-1829 to discuss your all plumbing needs!

"Joe was great."

Nicholas U on June 2024


Avatar for P.J. Fitzpatrick, LLC

P.J. Fitzpatrick, LLC

4.48(
432
)
Approved Pro

P.J. Fitzpatrick, LLC

4.48(
432
)
Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
125 local quotes requested

Why? Quite simply, because we strive for perfection. If you are hoping we will use cheaper materials, hurry through an installation, or overlook restrictions, P.J. Fitzpatrick, LLC, is not the company for you. We believe that when it comes to your home, the job should be done perfectly and last a lifetime. This might not make us the cheapest company in the area, but we stand behind our work and leave our customers extremely satisfied. So much that they refer friends, family and neighbors without hesitation. If something goes wrong with our installation, it's not your fault, it's ours. Our responsibility doesn't end once we pack up our tools and leave. If something breaks, malfunctions, or just plain doesn't make you happy, we'll fix it - for as long as you live in your home. Full lifetime warranties are included with many of our services. We also have 18 Repair Experts who do repairs all day, every day and love it! Experience the P.J. Fitzpatrick, LLC., difference today!

"Very professional and curteous"

Wilbur B on February 2023

Why? Quite simply, because we strive for perfection. If you are hoping we will use cheaper materials, hurry through an installation, or overlook restrictions, P.J. Fitzpatrick, LLC, is not the company for you. We believe that when it comes to your home, the job should be done perfectly and last a lifetime. This might not make us the cheapest company in the area, but we stand behind our work and leave our customers extremely satisfied. So much that they refer friends, family and neighbors without hesitation. If something goes wrong with our installation, it's not your fault, it's ours. Our responsibility doesn't end once we pack up our tools and leave. If something breaks, malfunctions, or just plain doesn't make you happy, we'll fix it - for as long as you live in your home. Full lifetime warranties are included with many of our services. We also have 18 Repair Experts who do repairs all day, every day and love it! Experience the P.J. Fitzpatrick, LLC., difference today!

"Very professional and curteous"

Wilbur B on February 2023


Avatar for Allied Construction Corp

Allied Construction Corp

4.57(
141
)
Approved Pro

Allied Construction Corp

4.57(
141
)
Approved Pro
Customers say: True professional
41 local quotes requested
36 years of experience

**We are now specializing in Kitchen Remodeling**At this time we are unable to take on Bathroom Remodeling projects**Our first priority has always been the satisfaction of our customers, and we take great pride in both the quality of our work and the quality of the customer service we extend to each and every one of our clients, regardless of the size of their project. When trusting Allied Construction Corporation with your home remodeling project, you are trusting a crew of dedicated and talented home remodeling experts to take you through every single step of the process, and to keep you up to date on developments. We always treat your project – and your home – with the utmost level of care and respect. We strive to ensure that every last detail of your work order is performed with the same level of quality we would apply to our own home. Our work over the years has proven to yield exceptionally high return on investment, making your home not only the haven you envisioned but also more valuable. What is more, we provide extremely affordable home remodeling services, making it possible for you to see your vision come to life without breaking the bank. We also offer Angie's List members a 10% Discount on all Labor. We have been on the Discovery Channel. (References upon request). Additional Phone: 516-500-8170 Additional email: [email protected].

"RUN FAR AWAY FROM ALLIED AND TOM. Tom took my money and did not complete the renovations as per our contract. He lied about having a licensed electrician to do electrical work, it was just one of his workers who's not licensed. I paid for a dumpster and when it was delivered by tom it was already half full from another allied job and I was asked to pay the full amount of $950. Tom didn't listen to anything I said regarding the work I requested and he changed my design and did work that was cheaper for him. I was priced for one of my ceiling's to be ripped out and reinstalled with new sheetrock, Tom waited until I was away on business then he installed sheetrock on top of the bad sheetrock and told me he ripped out the old sheetrock and installed the new sheetrock, I found out when my EC cut holes to install lights and we found 2 layers of sheetrock preventing the lights from being able to be installed. Allied construction is a cheap, sneaky company who will steal your money and breach your contract. Do not hire these people Tom is a lair. Tom wore a gun in my house on his hip and told me "I use this to get paid by customer who don't want to pay". Tom left live 120v wires hanging out of the walls and ceiling, he removed a banister and didn't replace it for 3 weeks making my home very unsafe for me and my 9 year old son."

Adam C on May 2025

**We are now specializing in Kitchen Remodeling**At this time we are unable to take on Bathroom Remodeling projects**Our first priority has always been the satisfaction of our customers, and we take great pride in both the quality of our work and the quality of the customer service we extend to each and every one of our clients, regardless of the size of their project. When trusting Allied Construction Corporation with your home remodeling project, you are trusting a crew of dedicated and talented home remodeling experts to take you through every single step of the process, and to keep you up to date on developments. We always treat your project – and your home – with the utmost level of care and respect. We strive to ensure that every last detail of your work order is performed with the same level of quality we would apply to our own home. Our work over the years has proven to yield exceptionally high return on investment, making your home not only the haven you envisioned but also more valuable. What is more, we provide extremely affordable home remodeling services, making it possible for you to see your vision come to life without breaking the bank. We also offer Angie's List members a 10% Discount on all Labor. We have been on the Discovery Channel. (References upon request). Additional Phone: 516-500-8170 Additional email: [email protected].

"RUN FAR AWAY FROM ALLIED AND TOM. Tom took my money and did not complete the renovations as per our contract. He lied about having a licensed electrician to do electrical work, it was just one of his workers who's not licensed. I paid for a dumpster and when it was delivered by tom it was already half full from another allied job and I was asked to pay the full amount of $950. Tom didn't listen to anything I said regarding the work I requested and he changed my design and did work that was cheaper for him. I was priced for one of my ceiling's to be ripped out and reinstalled with new sheetrock, Tom waited until I was away on business then he installed sheetrock on top of the bad sheetrock and told me he ripped out the old sheetrock and installed the new sheetrock, I found out when my EC cut holes to install lights and we found 2 layers of sheetrock preventing the lights from being able to be installed. Allied construction is a cheap, sneaky company who will steal your money and breach your contract. Do not hire these people Tom is a lair. Tom wore a gun in my house on his hip and told me "I use this to get paid by customer who don't want to pay". Tom left live 120v wires hanging out of the walls and ceiling, he removed a banister and didn't replace it for 3 weeks making my home very unsafe for me and my 9 year old son."

Adam C on May 2025


"I contracted with Grant Heating & Cooling Inc. to install HVAC system in my home in the spring of 2024. They were very professional and did a very good job. In the winter of 2025 I had a minor problem with one of the Mitsubishi heat pump system units. The company was quick to troubleshoot the situation. The technicians were courteous, knowledgeable about the system and thorough. It required several visits to diagnose the problem and fix it. The manager, Nick was very responsive to the situation which required bringing out an expert from Mitsubishi. All of this work was covered under my warranty. The problem was fixed and I could not speak highly enough about the company’s policies and customer service. I would highly recommend them for all facets of their work and standing behind their installations. I am very happy to be working with them for my continued maintenance. They are an excellent company. Sincerely, Susan Coursey"

Susan C on May 2025

Family owned and operated since 1969, Grant Heating & Cooling is a knowledgeable and dependable resource for meeting all your comfort needs. Contact us for installation, maintenance or service

"I contracted with Grant Heating & Cooling Inc. to install HVAC system in my home in the spring of 2024. They were very professional and did a very good job. In the winter of 2025 I had a minor problem with one of the Mitsubishi heat pump system units. The company was quick to troubleshoot the situation. The technicians were courteous, knowledgeable about the system and thorough. It required several visits to diagnose the problem and fix it. The manager, Nick was very responsive to the situation which required bringing out an expert from Mitsubishi. All of this work was covered under my warranty. The problem was fixed and I could not speak highly enough about the company’s policies and customer service. I would highly recommend them for all facets of their work and standing behind their installations. I am very happy to be working with them for my continued maintenance. They are an excellent company. Sincerely, Susan Coursey"

Susan C on May 2025


MGT Construction, Corp.

4.21(
14
)
Approved Pro

MGT Construction, Corp.

4.21(
14
)
Approved Pro
Customers say: Quality work
86 local quotes requested

We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! 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!

"They did an awesome job. They were very professional. They were also very respectful. They respected our needs since my husband is already retired. Steve the project manager he was great along with his crew. They kept us in the loop of the progress on the project."

Joseph C on October 2025

We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! 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!

"They did an awesome job. They were very professional. They were also very respectful. They respected our needs since my husband is already retired. Steve the project manager he was great along with his crew. They kept us in the loop of the progress on the project."

Joseph C on October 2025


Avatar for Housitive Pbc

Housitive Pbc

5.00(
7
)
Approved Pro

Housitive Pbc

5.00(
7
)
Approved Pro
Customers say: Quick response
31 local quotes requested
2 years of experience

We are bringing our years of experience with mini-split heat pumps from Central New York to Long Island. Properly installed and maintained mini-splits are an efficient heating and cooling solution for most Long Island homes. At Housitive, we seek to serve our communities by providing the best mini-split installations and the best customer experience. We are committed to raising the bar for quality and efficiency and to creating a smooth, transparent process from first contact to completed project. We believe that mini-splits are a great choice for our homes, our communities, and our environment–and we want you to be as excited about them as we are, so we can together accelerate our transition away from fossil fuels!

"Communication and honestly was great from start to finish. They aligned to the vision we wanted with agreeable recommendations. They were clean and timely with the project and the final outcome was more than what was expected. I recommend them."

Christopher O on June 2025

We are bringing our years of experience with mini-split heat pumps from Central New York to Long Island. Properly installed and maintained mini-splits are an efficient heating and cooling solution for most Long Island homes. At Housitive, we seek to serve our communities by providing the best mini-split installations and the best customer experience. We are committed to raising the bar for quality and efficiency and to creating a smooth, transparent process from first contact to completed project. We believe that mini-splits are a great choice for our homes, our communities, and our environment–and we want you to be as excited about them as we are, so we can together accelerate our transition away from fossil fuels!

"Communication and honestly was great from start to finish. They aligned to the vision we wanted with agreeable recommendations. They were clean and timely with the project and the final outcome was more than what was expected. I recommend them."

Christopher O on June 2025


Avatar for Quest Home and Office Renovations

Quest Home and Office Renovations

5.00(
9
)
Approved Pro

Quest Home and Office Renovations

5.00(
9
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 local quotes requested

Quest has been serving the Long Island Area in remodeling homes for over 30 years. We specialize in residential work and deal directly with the homeowners for a more personal and comfortable experience. We know the place you live is an important part of your life and take great care in making sure that the job is completed to your satisfaction. The owner of the company is present and working at every job providing full attention to your project. We make sure that you not only receive the best service possible, but we make sure we leave your home... SPOTLESS! Call us today to get a FREE quote!

"I think the quality was extremely satisfactory if there's anything that we found that we were not happy with, they are very responsive and will rectify everything to our satisfaction. Mike as the primary contractor they used other contractors for select basis of the construction like demolition, electrical, plumbing and sheetrock spackle, we're satisfied with all of them as well, they were very professional and accommodating. Mike used consumers kitchen and bath as the supplier of the kitchen cabinets and countertops for which we are also satisfied, The overall finished product has resulted a modern update of our kitchen in which we are extremely proud of and we would definitely recommend Quest Home and Office Renovation for a remodel of another consumers kitchen."

Joe T on April 2023

Quest has been serving the Long Island Area in remodeling homes for over 30 years. We specialize in residential work and deal directly with the homeowners for a more personal and comfortable experience. We know the place you live is an important part of your life and take great care in making sure that the job is completed to your satisfaction. The owner of the company is present and working at every job providing full attention to your project. We make sure that you not only receive the best service possible, but we make sure we leave your home... SPOTLESS! Call us today to get a FREE quote!

"I think the quality was extremely satisfactory if there's anything that we found that we were not happy with, they are very responsive and will rectify everything to our satisfaction. Mike as the primary contractor they used other contractors for select basis of the construction like demolition, electrical, plumbing and sheetrock spackle, we're satisfied with all of them as well, they were very professional and accommodating. Mike used consumers kitchen and bath as the supplier of the kitchen cabinets and countertops for which we are also satisfied, The overall finished product has resulted a modern update of our kitchen in which we are extremely proud of and we would definitely recommend Quest Home and Office Renovation for a remodel of another consumers kitchen."

Joe T on April 2023

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Boiler Repair questions, answered by experts

There are several common types of HVAC systems that you may have, including split systems, hybrid HVAC, duct-free systems, packaged heating and air, geothermal heating, or even portable units for heating or cooling. If you aren’t sure which type is in your home or are looking to install something different, you should consult an HVAC pro to determine which option is right for your heating and cooling needs.

Some of the signs of HVAC issues include rising energy bills, rooms not cooling or heating properly, loud noises when in operation, and signs of condensation. To illustrate, if you’re wondering how to stop condensation on air vents, you’ll need to have your HVAC inspected. 

Addressing gaps and cracks reduces heat loss and improves energy use.

Boilers are equipped with multiple safety features to ensure safe operation. These include pressure relief valves to prevent overpressure, temperature high-limit switches to avoid overheating, and flame failure safety devices in gas boilers to cut off the gas supply if the flame goes out unexpectedly. Low water cutoffs prevent operation with insufficient water levels, and pressure gauges help monitor pressure levels. Ventilation and flue systems prevent the buildup of harmful gasses. Boilers often feature error code systems for automatic shutdown during malfunctions and gas leak detection for safety. Regular maintenance is crucial to ensure these safety features function correctly.

A furnace takes in cool air, heats it through the burner and heat exchanger, and sends the air on its way to warm your home. A boiler is a pressurized vessel that produces hot water or steam to heat the home and provide hot water. A boiler may or may not work together with a furnace.

The Shelter Island, NY homeowners’ guide to boiler repairs

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

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