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  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon62
    Verified water heater services reviews

Find Water heater pros in Demarest

Avatar for American Supreme Construction LLC

American Supreme Construction LLC

5.00(
308
)
Approved Pro

American Supreme Construction LLC

5.00(
308
)
Approved Pro
Super Service Award
Customers say: Quick response
14 years of experience
Free onsite estimate

American Supreme Construction has been serving the Tri-State area with Roofing and Construction for 13 years. American Supreme Construction is a family owned business that strives for professionalism quality reliability and excellence in everything we do. Our team at American Supreme Construction has served in the construction building industry for over 15 years. This allows our team us to guide our customers in making informed decisions regarding their homes. 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.

"Highly recommend!!! They have a super professional team, very organized, they did an excellent job, on time as scheduled. ASC did an amazing job on our bathroom!"

Jonathan H on January 2026

American Supreme Construction has been serving the Tri-State area with Roofing and Construction for 13 years. American Supreme Construction is a family owned business that strives for professionalism quality reliability and excellence in everything we do. Our team at American Supreme Construction has served in the construction building industry for over 15 years. This allows our team us to guide our customers in making informed decisions regarding their homes. 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.

"Highly recommend!!! They have a super professional team, very organized, they did an excellent job, on time as scheduled. ASC did an amazing job on our bathroom!"

Jonathan H on January 2026


Avatar for Arctic Air Conditioning

Arctic Air Conditioning

4.84(
829
)
Approved Pro

Arctic Air Conditioning

4.84(
829
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
49 years of experience

Arctic Air Conditioning is a family run business that has served New Jersey since 1977. We specialize in residential and commercial Air Conditioning, Heating, Humidification, and indoor air quality. Our other services include Plumbing, Electrical, and Garage Doors. Our philosophy is to provide top of the line equipment with the best installation and service available in the industry. We are an award winning Lennox Dealer and Home Depot Service Provider.

"Prompt & excellent service- no complaints"

Lorenzo S on November 2025

Arctic Air Conditioning is a family run business that has served New Jersey since 1977. We specialize in residential and commercial Air Conditioning, Heating, Humidification, and indoor air quality. Our other services include Plumbing, Electrical, and Garage Doors. Our philosophy is to provide top of the line equipment with the best installation and service available in the industry. We are an award winning Lennox Dealer and Home Depot Service Provider.

"Prompt & excellent service- no complaints"

Lorenzo S on November 2025


Avatar for Gold Eagle Construction, LLC

Gold Eagle Construction, LLC

4.99(
59
)
Approved Pro

Gold Eagle Construction, LLC

4.99(
59
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
18 years of experience

Thank you for visiting Gold Eagle Construction, LLC. We are your locally owned and operated waterproofing specialists based in Dover, NJ. We service residential and commercial clients throughout Central and South NJ. Contact us now for your free estimate--we look forward to working with you soon!

"Quick estimates and installation. "

Hsuanshen C on November 2025

Thank you for visiting Gold Eagle Construction, LLC. We are your locally owned and operated waterproofing specialists based in Dover, NJ. We service residential and commercial clients throughout Central and South NJ. Contact us now for your free estimate--we look forward to working with you soon!

"Quick estimates and installation. "

Hsuanshen C on November 2025


Avatar for Alfano Mechanical, LLC

Alfano Mechanical, LLC

4.99(
55
)
Approved Pro

Alfano Mechanical, LLC

4.99(
55
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
3 years of experience

Alfano Mechanical LLC 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.

"The team was on time, thorough, and left everything clean. Top-notch service!"

Jerome B on December 2024

Alfano Mechanical LLC 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.

"The team was on time, thorough, and left everything clean. Top-notch service!"

Jerome B on December 2024


Avatar for Ralph Maresca Plumbing & Mechanical LLC

Ralph Maresca Plumbing & Mechanical LLC

4.89(
142
)
Approved Pro

Ralph Maresca Plumbing & Mechanical LLC

4.89(
142
)
Approved Pro
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
40 years of experience

Specializing in Bergen County Toilet & Faucet Repair. 5 years accredited Super Service Award Winner for 2018, 2019 2020 , 2021 and 2024 !! 36 years of experience specializing in all plumbing, heating, repairs, replacements and all aspects of drain cleaning. There is no job too small! We always work neat and clean like no other! Our phone is always answered by the owner. Give us a try, you won’t regret it! WE ACCEPT ALL MAJOR CREDIT CARDS

"Ralf and Peter provide exceptional plumbing services. They happily and intelligently answered all of my questions and concerns about our sixty year old heating system. Ralf and Peter transformed our heating system and brought all the components up to code. They also did a beautiful job of installing our new water heater. I highly recommend Ralf and Peter of Ralf Maresca Mechanical. Their pricing is reasonable and their work is outstanding."

Diane S on August 2025

Specializing in Bergen County Toilet & Faucet Repair. 5 years accredited Super Service Award Winner for 2018, 2019 2020 , 2021 and 2024 !! 36 years of experience specializing in all plumbing, heating, repairs, replacements and all aspects of drain cleaning. There is no job too small! We always work neat and clean like no other! Our phone is always answered by the owner. Give us a try, you won’t regret it! WE ACCEPT ALL MAJOR CREDIT CARDS

"Ralf and Peter provide exceptional plumbing services. They happily and intelligently answered all of my questions and concerns about our sixty year old heating system. Ralf and Peter transformed our heating system and brought all the components up to code. They also did a beautiful job of installing our new water heater. I highly recommend Ralf and Peter of Ralf Maresca Mechanical. Their pricing is reasonable and their work is outstanding."

Diane S on August 2025


"A++ experience. Extremely professional and efficient and did an amazing job cleaning up. I would recommend AJT Complete Construction LLC to anyone."

Randon L on November 2025

At AJT Complete Construction, we take great pride in our experience, expertise, quality, and customer service. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. We offer free estimates and evaluations

"A++ experience. Extremely professional and efficient and did an amazing job cleaning up. I would recommend AJT Complete Construction LLC to anyone."

Randon L on November 2025


Avatar for Blue Umbrella Waterproofing, LLC

Blue Umbrella Waterproofing, LLC

4.99(
50
)
Approved Pro

Blue Umbrella Waterproofing, LLC

4.99(
50
)
Approved Pro
Customers say: Quick response
9 years of experience
Free onsite estimate

NJ's trusted basement, crawl space, and foundation experts, we guarantee a drier, safer healthier home. Licensed, bonded & insured (HIC 13VH09834500) with thousand of satisfied customers, we provide top-quality waterproofing and repair systems with lifetime warranties. For basement leaks, damp crawl spaces, or bowing walls. As a family-owned business, not a franchise, we deliver superior personalized service with experienced professionals who provide higher quality work and attention to detail that franchise operations cannot match. Call us today. Free consultations - Lifetime warranties available - Award winning company

"Lovely company. Very personable. I worked with Tony who was easy to communicate with and readily available for any questions. The owner, Steve, came to my home and looked over the completed worked and helped me with questions about my dehumidifier. Blue Umbrella was able to troubleshoot and tailor the job to fit my specific basement needs. I also feel comfortable that if there is ever an issue - they will continue to support the work they did for me. My job consisted of : 1930's brick basement and dirt crawl space/ french drain, sump pump, encapsulation, dehumidifier, masonry repair, and crawl space door. Asbury Park , NJ."

Neve M on August 2025

NJ's trusted basement, crawl space, and foundation experts, we guarantee a drier, safer healthier home. Licensed, bonded & insured (HIC 13VH09834500) with thousand of satisfied customers, we provide top-quality waterproofing and repair systems with lifetime warranties. For basement leaks, damp crawl spaces, or bowing walls. As a family-owned business, not a franchise, we deliver superior personalized service with experienced professionals who provide higher quality work and attention to detail that franchise operations cannot match. Call us today. Free consultations - Lifetime warranties available - Award winning company

"Lovely company. Very personable. I worked with Tony who was easy to communicate with and readily available for any questions. The owner, Steve, came to my home and looked over the completed worked and helped me with questions about my dehumidifier. Blue Umbrella was able to troubleshoot and tailor the job to fit my specific basement needs. I also feel comfortable that if there is ever an issue - they will continue to support the work they did for me. My job consisted of : 1930's brick basement and dirt crawl space/ french drain, sump pump, encapsulation, dehumidifier, masonry repair, and crawl space door. Asbury Park , NJ."

Neve M on August 2025


Avatar for Basement Gurus, LLC

Basement Gurus, LLC

4.85(
157
)
Approved Pro

Basement Gurus, LLC

4.85(
157
)
Approved Pro
Customers say: Quality work
16 years of experience
Free onsite estimate

Basement Gurus LLC, is a locally owned and operated company with over 20 years of experience. We specialize in professional waterproofing services. Our commitment is 100% guaranteed customer satisfaction on every project. Call us today, so that we can give you a free estimate and make your project come to life!

"Josh, the representative from Basement Gurus was outstanding! We had experienced a water issue in our finished basement. Josh thoroughly examined the interior and exterior of the home and determined that the leak might be plumbing related. Josh could have very easily exploited our ignorance and suggested a solution purely beneficial to his company that may not have addressed the underlying cause of the problem. Instead, he demonstrated his integrity by realistically assessing the situation even if it would jeopardize the sale. This is commendable particularly in this era where cutthroat business practices are commonplace. I highly recommend Basement Gurus. They are fortunate to have an employee like Josh who exhibits concern for the customer at such a high level. "

Don I on January 2026

Basement Gurus LLC, is a locally owned and operated company with over 20 years of experience. We specialize in professional waterproofing services. Our commitment is 100% guaranteed customer satisfaction on every project. Call us today, so that we can give you a free estimate and make your project come to life!

"Josh, the representative from Basement Gurus was outstanding! We had experienced a water issue in our finished basement. Josh thoroughly examined the interior and exterior of the home and determined that the leak might be plumbing related. Josh could have very easily exploited our ignorance and suggested a solution purely beneficial to his company that may not have addressed the underlying cause of the problem. Instead, he demonstrated his integrity by realistically assessing the situation even if it would jeopardize the sale. This is commendable particularly in this era where cutthroat business practices are commonplace. I highly recommend Basement Gurus. They are fortunate to have an employee like Josh who exhibits concern for the customer at such a high level. "

Don I on January 2026


Avatar for Argen Build Enterprises Inc

Argen Build Enterprises Inc

4.94(
35
)
Approved Pro

Argen Build Enterprises Inc

4.94(
35
)
Approved Pro
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
18 years of experience

Since 2008, Argen Build has serviced hundreds of customers. We invite you to join our growing number of satisfied customers. Argen Build Enterprises, Inc. is a construction company in the North Jersey area, we work with solid experienced contractors, to all experienced individual team members. Among them, an excellent team leader, Moises Zaragoza and myself: I'm Luis Gonzalez, Construction Civil Engineer; graduated in Argentina and President of the company. Our mission is to make our clients feel that they are working with professionals at every moment. We are a Licensed Company in the State of New Jersey, and we are insured through branded Insurance Company. Please visit: www.argenbuild.com Our services include: 1- Pre-construction services: We provide professional guidance in design and planning. 2- Quality work: By getting the job "Done right!" 3- Fairness: We provide our clients with the best product and services for the most reasonable price. We have a crew of experienced craftsman on: > Carpentry > Painting > Wood Stairs and Railing > Sheetrock/Spackling > Decking > Impermeability > Tiling > Roofing > Moldings > Fencing > Doors and Windows > Cabinetry Installation , etc... and all types of interior and exterior finishes. Our team is experienced in remodeling: Bathrooms and Kitchens, Extensions and additions Finishing attics and basements

"Argenbuild replaced the wooden steps in back of our house. Their work was precise and clean and they worked very efficiently. The project was done without adding any extra costs to me and they finished earlier than they projected. I was overall very happy with the job and I appreciate their professionalism"

Seth H on September 2024

Since 2008, Argen Build has serviced hundreds of customers. We invite you to join our growing number of satisfied customers. Argen Build Enterprises, Inc. is a construction company in the North Jersey area, we work with solid experienced contractors, to all experienced individual team members. Among them, an excellent team leader, Moises Zaragoza and myself: I'm Luis Gonzalez, Construction Civil Engineer; graduated in Argentina and President of the company. Our mission is to make our clients feel that they are working with professionals at every moment. We are a Licensed Company in the State of New Jersey, and we are insured through branded Insurance Company. Please visit: www.argenbuild.com Our services include: 1- Pre-construction services: We provide professional guidance in design and planning. 2- Quality work: By getting the job "Done right!" 3- Fairness: We provide our clients with the best product and services for the most reasonable price. We have a crew of experienced craftsman on: > Carpentry > Painting > Wood Stairs and Railing > Sheetrock/Spackling > Decking > Impermeability > Tiling > Roofing > Moldings > Fencing > Doors and Windows > Cabinetry Installation , etc... and all types of interior and exterior finishes. Our team is experienced in remodeling: Bathrooms and Kitchens, Extensions and additions Finishing attics and basements

"Argenbuild replaced the wooden steps in back of our house. Their work was precise and clean and they worked very efficiently. The project was done without adding any extra costs to me and they finished earlier than they projected. I was overall very happy with the job and I appreciate their professionalism"

Seth H on September 2024


Avatar for NATIONAL PRO WATERPROOFING LLC

NATIONAL PRO WATERPROOFING LLC

4.97(
33
)
Approved Pro

NATIONAL PRO WATERPROOFING LLC

4.97(
33
)
Approved Pro
Super Service Award
2 years of experience
Free onsite estimate

National Pro Waterproofing LLC a family owned, operating for 20 years in NJ, dedicated to providing our customers with high quality workmanship and satisfaction guaranteed. We are here to build long term relationships with our customers as the trusted waterproofing company that delivers what they promise. We look forward to working with you.

"Mike was easy to work with. He has great communication and he’s dedicated. Even through his own personal matters he never missed a beat. His drain guys were quick they finished the work ahead of schedule. Regarding the rebuild, he was very responsive. When a few things needed to be touched up he was on it. However, rebuild did go a few days over schedule. Overall Mike was professional and responsive. "

Krystal _ on January 2026

National Pro Waterproofing LLC a family owned, operating for 20 years in NJ, dedicated to providing our customers with high quality workmanship and satisfaction guaranteed. We are here to build long term relationships with our customers as the trusted waterproofing company that delivers what they promise. We look forward to working with you.

"Mike was easy to work with. He has great communication and he’s dedicated. Even through his own personal matters he never missed a beat. His drain guys were quick they finished the work ahead of schedule. Regarding the rebuild, he was very responsive. When a few things needed to be touched up he was on it. However, rebuild did go a few days over schedule. Overall Mike was professional and responsive. "

Krystal _ on January 2026

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Water Heaters questions, answered by experts

Signs your water heater is about to fail include: a unit older than ten years, rust water coming from your faucets, banging and rumbling noises when you call for hot water, and leaks coming from the tank. You might also notice a foul odor when you turn on your hot water, akin to rotten eggs or sulfur. Of course, your water heater might also need replacement if your water doesn’t stay hot or takes longer to heat up.

It takes between one and three hours to replace a hot water heater element, depending on whether you hire a pro or do the work yourself. For example, a professional plumber with all the necessary tools and experience can often finish the job in one to two hours, whereas DIY will take two to three hours because it'll involve more preparation and troubleshooting.

If your water heater continues to have issues, you may wonder how long an electric water heat lasts. On average, these units last between 10 to 15 years. Following a proper maintenance schedule can help the water heater live to the end of its average lifespan or longer.

Storage, tankless, heat pumps, and solar water heaters each suit specific space constraints, usage needs, and efficiency preferences.

If you have a tank-type electric water heater, it runs regularly to keep the water at the desired temperature. If you live in a home where you don’t use much hot water, it could seem wasteful to run power to heat water that you’re using infrequently. You could save some power by using a smaller tank, insulating the tank, or lowering the temperature of the water heater.

The Demarest, NJ homeowners’ guide to water heater services

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

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