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Tankless water heater repair pros in Copiague

Avatar for Islandwide Plumbing and Heating, LLC

Islandwide Plumbing and Heating, LLC

170 Delaware Avenue
5.00(
1
)
Approved Pro

Islandwide Plumbing and Heating, LLC

170 Delaware Avenue
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
17 years of experience

At Islandwide Plumbing and Heating LLC I pride my company on reliability, great communication, integrity, and quality work. I am an expert in my trade and will do my best to keep you as educated as I can on your particular task or project. I look forward to earning your business!

"He is an awesome guy to work with! I would highly recommend him!"

Todd Y on August 2020

At Islandwide Plumbing and Heating LLC I pride my company on reliability, great communication, integrity, and quality work. I am an expert in my trade and will do my best to keep you as educated as I can on your particular task or project. I look forward to earning your business!

"He is an awesome guy to work with! I would highly recommend him!"

Todd Y on August 2020


Avatar for Mr. Big Plumbing & Heating

Mr. Big Plumbing & Heating

38 Brefni Street
4.88(
13
)
Approved Pro

Mr. Big Plumbing & Heating

38 Brefni Street
4.88(
13
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

Big Plumbing and Heating, Inc., is your local contractor with over 20 years experience in taking care of all your needs. We do installs and service work for Suffolk and Nassau Counties. Call Today!

"Andre is very knowledgeable about the job. He not only fix the problem but also advise the necessary preventative action."

Victor P on April 2024

Big Plumbing and Heating, Inc., is your local contractor with over 20 years experience in taking care of all your needs. We do installs and service work for Suffolk and Nassau Counties. Call Today!

"Andre is very knowledgeable about the job. He not only fix the problem but also advise the necessary preventative action."

Victor P on April 2024


Avatar for Energywise, Inc.

Energywise, Inc.

2231 5th Avenue
New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Energywise, Inc.

2231 5th Avenue
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
40 years of experience
Emergency services offered

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.

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.


Avatar for RDS Plumbing and Heating

RDS Plumbing and Heating

1303 Waverly Avenue
4.92(
82
)
Approved Pro

RDS Plumbing and Heating

1303 Waverly Avenue
4.92(
82
)
Approved Pro
Customers say: True professional
8 years of experience

Please visit us at www.rdsplumbingheating.com for more info. We pride our company on reliability, great communication, integrity, quality work and beating our competitors pricing on all work. Being experts in the plumbing and heating trade for over 20 years we can quickly diagnose your issue and make the necessary repairs or installations to remedy the problem. This gives us the ability to be competitively priced, ensuring your problem is fixed the first time ! RDS looks forward to gaining you as life long customer. Give us a call 631-590-0561

"Responded to my request immediately and had the problem fixed by the afternoon "

Brittany S on August 2025

Please visit us at www.rdsplumbingheating.com for more info. We pride our company on reliability, great communication, integrity, quality work and beating our competitors pricing on all work. Being experts in the plumbing and heating trade for over 20 years we can quickly diagnose your issue and make the necessary repairs or installations to remedy the problem. This gives us the ability to be competitively priced, ensuring your problem is fixed the first time ! RDS looks forward to gaining you as life long customer. Give us a call 631-590-0561

"Responded to my request immediately and had the problem fixed by the afternoon "

Brittany S on August 2025


Avatar for Varsity Home Service Company, Inc.

Varsity Home Service Company, Inc.

1610 Ocean Avenue
4.78(
191
)
Approved Pro

Varsity Home Service Company, Inc.

1610 Ocean Avenue
4.78(
191
)
Approved Pro
Customers say: Quality work
489 local quotes requested
63 years of experience

Practice makes perfect, and Varsity has been at it for over half a century! What began with a Navy veteran’s simple dream — to teach the value of honest, hands-on work to his children — has grown into one of Long Island’s most trusted resource for plumbing, heating and air conditioning services. Varsity’s mission has always been clear: to serve our neighbors with integrity, solve home service challenges with innovative solutions, and provide lasting results. Our dedicated crew is background-checked, rigorously trained in the latest technology, and excited to exceed your expectations. Above all Varsity is here to EARN your trust—not just for today, but for years to come. Let’s tackle your home service needs with the quality and care you deserve!

"Alexis and his crew were great, from start to finish."

Nick A on August 2025

Practice makes perfect, and Varsity has been at it for over half a century! What began with a Navy veteran’s simple dream — to teach the value of honest, hands-on work to his children — has grown into one of Long Island’s most trusted resource for plumbing, heating and air conditioning services. Varsity’s mission has always been clear: to serve our neighbors with integrity, solve home service challenges with innovative solutions, and provide lasting results. Our dedicated crew is background-checked, rigorously trained in the latest technology, and excited to exceed your expectations. Above all Varsity is here to EARN your trust—not just for today, but for years to come. Let’s tackle your home service needs with the quality and care you deserve!

"Alexis and his crew were great, from start to finish."

Nick A on August 2025


Avatar for Genco Plumbing LLC

Genco Plumbing LLC

1671 Newbridge Rd
5.00(
5
)
Approved Pro

Genco Plumbing LLC

1671 Newbridge Rd
5.00(
5
)
Approved Pro
4 years of experience
Free onsite estimate

Genco Plumbing LLC is a fully licensed and insured company, dedicated to providing our clients with the very best in service, installation, and repair to meet your plumbing needs. We specialize in mechanical piping and a variety of residential and commercial services. We take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

"Had a navien boiler installed by Genco plumbing and they did great work, professional and kept it very clean."

john m on August 2025

Genco Plumbing LLC is a fully licensed and insured company, dedicated to providing our clients with the very best in service, installation, and repair to meet your plumbing needs. We specialize in mechanical piping and a variety of residential and commercial services. We take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

"Had a navien boiler installed by Genco plumbing and they did great work, professional and kept it very clean."

john m on August 2025


Avatar for Universe Home Services, Inc.

Universe Home Services, Inc.

3782 Merrick Road
4.50(
362
)
Approved Pro

Universe Home Services, Inc.

3782 Merrick Road
4.50(
362
)
Approved Pro
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
59 local quotes requested

Since 1954, Universe Home Services, inc., has been proudly serving the Nassau County community and customers throughout the entire region. With Universe Home Services, one call solves it all! Their highly trained technicians offer everything from heating and air conditioning to plumbing to appliance repair and electrical services on Long Island and beyond. Whether you are dealing with an inefficient heating system, a noisy air conditioner, clogged toilet, broken dishwasher, or outdated electrical service panel, you can get the fast, affordable service you need with Universe Home Services. They go above and beyond to ensure that you are completely satisfied with the quality of their work, offering service guarantees and parts and labor guarantees on new HVAC installations.

"Project was completed efficiently "

Yolande T on June 2025

Since 1954, Universe Home Services, inc., has been proudly serving the Nassau County community and customers throughout the entire region. With Universe Home Services, one call solves it all! Their highly trained technicians offer everything from heating and air conditioning to plumbing to appliance repair and electrical services on Long Island and beyond. Whether you are dealing with an inefficient heating system, a noisy air conditioner, clogged toilet, broken dishwasher, or outdated electrical service panel, you can get the fast, affordable service you need with Universe Home Services. They go above and beyond to ensure that you are completely satisfied with the quality of their work, offering service guarantees and parts and labor guarantees on new HVAC installations.

"Project was completed efficiently "

Yolande T on June 2025


Top Gun Kitchen & Cabinets

110 Brook Ave C
4.78(
18
)
Approved Pro

Top Gun Kitchen & Cabinets

110 Brook Ave C
4.78(
18
)
Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
832 local quotes requested

Full service Kitchen Remodeling company. Specializing in cabinet painting and kitchen face lifts with over 25 years experience. Free consultations. ZERO pressure sales. Let us save you thousands. Call today.

"The job did not go well because he did not give an itemized list of the materials that he needed to paint my door and any other work he would do.This is an insurance claim."

Jane L on August 2025

Full service Kitchen Remodeling company. Specializing in cabinet painting and kitchen face lifts with over 25 years experience. Free consultations. ZERO pressure sales. Let us save you thousands. Call today.

"The job did not go well because he did not give an itemized list of the materials that he needed to paint my door and any other work he would do.This is an insurance claim."

Jane L on August 2025


Avatar for A.S.M. Home Improvements

A.S.M. Home Improvements

3026 N Ocean Ave
5.00(
7
)
Approved Pro

A.S.M. Home Improvements

3026 N Ocean Ave
5.00(
7
)
Approved Pro
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1458 local quotes requested

We are family owned and operated with over 25 years experience remodeling homes. We pride ourselves on offering a quality product and professional service tailored to your needs. Take a look at our previous work and contact us to discuss your next remodeling project today!.

"Anthony is the consummate professional. He worked with us to design a porch that not only looks outstanding but adds curb appeal and value to our home we never could have imagined. He is efficient, neat, completely open to last minute "hey we forgot but could you...", incredibly excellent at everything he does (he's also done for us internal painting, fixed floor planks etc) and most important is that he is just the nicest person with whom to work on home projects. Highly recommend."

judy m on July 2025

We are family owned and operated with over 25 years experience remodeling homes. We pride ourselves on offering a quality product and professional service tailored to your needs. Take a look at our previous work and contact us to discuss your next remodeling project today!.

"Anthony is the consummate professional. He worked with us to design a porch that not only looks outstanding but adds curb appeal and value to our home we never could have imagined. He is efficient, neat, completely open to last minute "hey we forgot but could you...", incredibly excellent at everything he does (he's also done for us internal painting, fixed floor planks etc) and most important is that he is just the nicest person with whom to work on home projects. Highly recommend."

judy m on July 2025


Avatar for JBL HOME IMPROVEMENTS INC

JBL HOME IMPROVEMENTS INC

PO BOX 584
4.67(
257
)
Approved Pro

JBL HOME IMPROVEMENTS INC

PO BOX 584
4.67(
257
)
Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
981 local quotes requested

JBL Home Improvements, Inc, located in St. James, is a family owned and operated remodeling business specializing in residential projects. Owner & Contractor David Kaplan, General Manager Jill Kaplan, along with their team of talented professionals, are dedicated to providing outstanding workmanship and customer service to homeowners who live in their community.

"I am very pleased with my remodel. Dave was professional and his crew were on time, worked every day and took care of my house like it was their own!"

Jennie D on July 2025

JBL Home Improvements, Inc, located in St. James, is a family owned and operated remodeling business specializing in residential projects. Owner & Contractor David Kaplan, General Manager Jill Kaplan, along with their team of talented professionals, are dedicated to providing outstanding workmanship and customer service to homeowners who live in their community.

"I am very pleased with my remodel. Dave was professional and his crew were on time, worked every day and took care of my house like it was their own!"

Jennie D on July 2025

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