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Find Tankless water heater installers in Mountainside

Avatar for Continental Plumbing and Heating

Continental Plumbing and Heating

4.70(
27
)
Approved Pro

Continental Plumbing and Heating

4.70(
27
)
Approved Pro
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
41 years of experience

We are a Plumbing and Heating contractor, give us a call!! We’ve been in business for over 30 years we are always there for our customers when they need us. You can trust us in doing a great job with reasonable prices at your convenience. We are professionals who are honest, reliable with great integrity. We are a licensed contractor at your reach to fix your plumbing and heating issues!! We offer a 5 % discount for 1st time Customers. Our New Location!! 1374 Stuyvesant Ave., Union, NJ 07083

"This was my 2nd time using this company. They were on-time, very professional, explained everything I needed to know, and did an excellent job."

Wafiyyah F on January 2024

We are a Plumbing and Heating contractor, give us a call!! We’ve been in business for over 30 years we are always there for our customers when they need us. You can trust us in doing a great job with reasonable prices at your convenience. We are professionals who are honest, reliable with great integrity. We are a licensed contractor at your reach to fix your plumbing and heating issues!! We offer a 5 % discount for 1st time Customers. Our New Location!! 1374 Stuyvesant Ave., Union, NJ 07083

"This was my 2nd time using this company. They were on-time, very professional, explained everything I needed to know, and did an excellent job."

Wafiyyah F on January 2024


Avatar for Pascale Plumbing & Heating, Inc.

Pascale Plumbing & Heating, Inc.

4.69(
108
)
Approved Pro

Pascale Plumbing & Heating, Inc.

4.69(
108
)
Approved Pro
Customers say: True professional
10 local quotes requested
15 years of experience

When your plumbing stops working, you need fast, reliable services. You can get all of that and more, from a dependable professional like Angelo Pascale. Our trusted team will help return your home to normal. We specialize in all your plumbing needs. Call us for a free estimate today.

"Kevin figured out a tricky problem with our clogged pipe effecting or washer capacity, was super professional and great at his job! 10/10 great service, affordable pricing! "

Hayley v on July 2025

When your plumbing stops working, you need fast, reliable services. You can get all of that and more, from a dependable professional like Angelo Pascale. Our trusted team will help return your home to normal. We specialize in all your plumbing needs. Call us for a free estimate today.

"Kevin figured out a tricky problem with our clogged pipe effecting or washer capacity, was super professional and great at his job! 10/10 great service, affordable pricing! "

Hayley v on July 2025


Avatar for Garden State Water Heaters

Garden State Water Heaters

4.64(
433
)
Approved Pro

Garden State Water Heaters

4.64(
433
)
Approved Pro
Customers say: Super punctual
217 local quotes requested
8 years of experience

Our experience is serving our customers with 100% satisfaction on every project we take on. We will give you the peace of mind you need and deserve. Garden State Water Heaters, happily services the community with integrity, professionalism, and competitive pricing. We are fully licensed and insured, and have built a reputation for quality work with each satisfied customer. Thank you for the opportunity to introduce you to our company.

"They came in and moved our water heater. They even pointed out some flaws we did not know about when purchasing our home. Thank you again will hire for next project. "

Isaah H on January 2026

Our experience is serving our customers with 100% satisfaction on every project we take on. We will give you the peace of mind you need and deserve. Garden State Water Heaters, happily services the community with integrity, professionalism, and competitive pricing. We are fully licensed and insured, and have built a reputation for quality work with each satisfied customer. Thank you for the opportunity to introduce you to our company.

"They came in and moved our water heater. They even pointed out some flaws we did not know about when purchasing our home. Thank you again will hire for next project. "

Isaah H on January 2026


Leacy's Plumbing & Heating, LLC

4.56(
60
)
Approved Pro

Leacy's Plumbing & Heating, LLC

4.56(
60
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
28 years of experience

We have been in business since 1998. With more than 25 years of experience, we look forward to helping with all your plumbing and heating needs. Call today for an estimate.

"Bill was professional and his guys did an excellent job with the installation and clean up. I highly recommend this company for any plumbing needs. I would use him again."

John S on March 2025

We have been in business since 1998. With more than 25 years of experience, we look forward to helping with all your plumbing and heating needs. Call today for an estimate.

"Bill was professional and his guys did an excellent job with the installation and clean up. I highly recommend this company for any plumbing needs. I would use him again."

John S on March 2025


Avatar for Good Tidings Plumbing Heating and Cooling

Good Tidings Plumbing Heating and Cooling

4.54(
68
)
Approved Pro

Good Tidings Plumbing Heating and Cooling

4.54(
68
)
Approved Pro
Customers say: Super punctual
20 local quotes requested
35 years of experience

Local, Trusted & Family Owned for over 34 Years • 24/7 emergency service • Same Day Emergency Service & Installation • Servicing All Brands • 0% Financing Available • Fully Stocked Plumbing & HVAC Truck • Professional & trustworthy Technicians • Fully Licensed & Insured • 96% Of Our Customers Give Us A 5-Star Rating • Our Triple Play starting at only $89 includes: Heating or AC Tune Up, Water Heater Flush, & Sump Pump Check

"They undoubtedly take delight in the job they do and leave everything tidy. I've worked with a few plumbers before, but these guys immediately impressed me. The work was completed quickly and correctly."

Paul D on October 2025

Local, Trusted & Family Owned for over 34 Years • 24/7 emergency service • Same Day Emergency Service & Installation • Servicing All Brands • 0% Financing Available • Fully Stocked Plumbing & HVAC Truck • Professional & trustworthy Technicians • Fully Licensed & Insured • 96% Of Our Customers Give Us A 5-Star Rating • Our Triple Play starting at only $89 includes: Heating or AC Tune Up, Water Heater Flush, & Sump Pump Check

"They undoubtedly take delight in the job they do and leave everything tidy. I've worked with a few plumbers before, but these guys immediately impressed me. The work was completed quickly and correctly."

Paul D on October 2025


Avatar for All Purpose Sewer & Drains Corp

All Purpose Sewer & Drains Corp

5.00(
4
)
Approved Pro

All Purpose Sewer & Drains Corp

5.00(
4
)
Approved Pro
Customers say: Quick response
Free onsite estimate
Emergency services offered

Here at All purpose sewer & drains corp your ? EMERGENCY?is our priority. we are proudly servicing the tri state area with all of your plumbing needs?? ☎️CALL NOW 347-723-6547☎️ ?24 HOUR EMERGENCY SERVICE? ✅FREE ESTIMATES✅ * trouble shooting leaks/making repairs on (all water line, waste lines, heating lines ,gas lines ETC) * installing new fixture such as (shower body's, faucets, sinks, vanity's, tollets, washer machines, dryers, dish washer, stoves, ice machines, pot fillers, outside hose spickets) * snaking all drain lines/camera examination (tub, sinks, showers, washer machine, liter lines, toilet lines, main house trap, condensate lines) * maintaining/installing new boilers for such(baseboard heat, radiant heat, steam heat, hot water) * Hot water heaters (tank hot water heaters, tankless hot water heaters) Instagram-all_purpose.corp Email- allpurpose1008@aol.com Phone number 347-723-6547

"Fast. Efficient. Good price."

Michael C on November 2024

Here at All purpose sewer & drains corp your ? EMERGENCY?is our priority. we are proudly servicing the tri state area with all of your plumbing needs?? ☎️CALL NOW 347-723-6547☎️ ?24 HOUR EMERGENCY SERVICE? ✅FREE ESTIMATES✅ * trouble shooting leaks/making repairs on (all water line, waste lines, heating lines ,gas lines ETC) * installing new fixture such as (shower body's, faucets, sinks, vanity's, tollets, washer machines, dryers, dish washer, stoves, ice machines, pot fillers, outside hose spickets) * snaking all drain lines/camera examination (tub, sinks, showers, washer machine, liter lines, toilet lines, main house trap, condensate lines) * maintaining/installing new boilers for such(baseboard heat, radiant heat, steam heat, hot water) * Hot water heaters (tank hot water heaters, tankless hot water heaters) Instagram-all_purpose.corp Email- allpurpose1008@aol.com Phone number 347-723-6547

"Fast. Efficient. Good price."

Michael C on November 2024


Avatar for Dawson Mechanical Contracting

Dawson Mechanical Contracting

4.85(
123
)
Approved Pro

Dawson Mechanical Contracting

4.85(
123
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
38 years of experience

We are a BPI Building Performance Institute Accredted Plumbing and HVAC company, We are licensed plumbers and I am a certified plumbing instructor and fire inspector I also have 2 Backflow testing certifiactions. We do the highest quality residential and commercial work with my highly trained staff. I am the past president of the N.J. State league of Master plumbers for 2010-2011

"Great! The workers are very professional and punctual. They installed a tankless water heater. They cleaned everything up when they were done and then explained how it worked and how to maintain it throughout the years so it would work better. I highly recommend this company."

Lourdes A on July 2025

We are a BPI Building Performance Institute Accredted Plumbing and HVAC company, We are licensed plumbers and I am a certified plumbing instructor and fire inspector I also have 2 Backflow testing certifiactions. We do the highest quality residential and commercial work with my highly trained staff. I am the past president of the N.J. State league of Master plumbers for 2010-2011

"Great! The workers are very professional and punctual. They installed a tankless water heater. They cleaned everything up when they were done and then explained how it worked and how to maintain it throughout the years so it would work better. I highly recommend this company."

Lourdes A on July 2025


"Alec, thank you!!!!! These guys are the best. They come pretty quick, and are so professional. They laid covers down before coming into kitchen. Replaced my faucet in less than an hr. This is the second time I’ve used this company, and won’t use anyone else. Thank you again!!!! "

Kristine M on January 2026

Looking for top-notch service? Look no further than Just In Case Plumbing & Heating LLC. Contact us today for all your plumbing needs!

"Alec, thank you!!!!! These guys are the best. They come pretty quick, and are so professional. They laid covers down before coming into kitchen. Replaced my faucet in less than an hr. This is the second time I’ve used this company, and won’t use anyone else. Thank you again!!!! "

Kristine M on January 2026


Spartan Plumbing, Heating & Cooling

5.00(
1
)
Approved Pro

Spartan Plumbing, Heating & Cooling

5.00(
1
)
Approved Pro
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
18 local quotes requested

We are a Plumbing, Heating, and Cooling Contractor with over over 24 years of experience in the field. With a strong focus on customer service and satisfaction at the top of our priorities. We strive to be the best at our trade and provide the customer with a unique experience with 100% satisfaction guaranteed.

"Great he showed up early, great communication and did a very clean job. No mess whatsoever."

Nuno A on August 2024

We are a Plumbing, Heating, and Cooling Contractor with over over 24 years of experience in the field. With a strong focus on customer service and satisfaction at the top of our priorities. We strive to be the best at our trade and provide the customer with a unique experience with 100% satisfaction guaranteed.

"Great he showed up early, great communication and did a very clean job. No mess whatsoever."

Nuno A on August 2024


Avatar for Pipe Works Services, Inc.

Pipe Works Services, Inc.

4.22(
64
)
Approved Pro

Pipe Works Services, Inc.

4.22(
64
)
Approved Pro
Customers say: True professional
36 years of experience
Free onsite estimate

We are the premier plumbing, heating, air conditioning, drain cleaning, electrical and insulation company serving the New Jersey area for the last two decades. We pride ourselves as the number one service company. Call today!

"Timely and well done"

John B on December 2024

We are the premier plumbing, heating, air conditioning, drain cleaning, electrical and insulation company serving the New Jersey area for the last two decades. We pride ourselves as the number one service company. Call today!

"Timely and well done"

John B on December 2024

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The Mountainside, NJ homeowners’ guide to tankless water heater installations

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