Top-rated tankless water heater installers.

Get matched with top tankless water heater installers in Waynesville, OH

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Tankless water heater installers in Waynesville

Avatar for Fluid Plumbing, LLC

Fluid Plumbing, LLC

5.00(
2
)
Approved Pro

Fluid Plumbing, LLC

5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

Fluid Plumbing 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.

"Had a water heater go out on a Saturday. A friend of mine gave me Shane's contact information. He was out of town but sent Marco out to my home within 30 minutes of talking with him. Marco ended up installing the water heater first thing Monday morning after the part that was ordered didn't remedy the situation. Marco was pleasant, and effecient. He was concientious and went over usage with me afterwards. Shane was quick to stay in touch and follow up as well. Would highly recommend"

Paula S on November 2022

Fluid Plumbing 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.

"Had a water heater go out on a Saturday. A friend of mine gave me Shane's contact information. He was out of town but sent Marco out to my home within 30 minutes of talking with him. Marco ended up installing the water heater first thing Monday morning after the part that was ordered didn't remedy the situation. Marco was pleasant, and effecient. He was concientious and went over usage with me afterwards. Shane was quick to stay in touch and follow up as well. Would highly recommend"

Paula S on November 2022


Avatar for Eco Plumbers, Electricians, and HVAC Technicians

Eco Plumbers, Electricians, and HVAC Technicians

4.97(
714
)
Approved Pro

Eco Plumbers, Electricians, and HVAC Technicians

4.97(
714
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers
104 local quotes requested

We come through for you when you need us to. That’s not just a promise—it’s how we do business. At Eco Plumbers, Electricians, and HVAC Technicians, we don’t just fix problems, we deliver peace of mind. Whether it’s plumbing, electrical, heating, or cooling, our team of skilled professionals is here to repair, upgrade, or replace whatever’s giving you trouble.

We’ll walk you through your options and help you choose what makes the most sense for your home, balancing function, budget, and what’s best for the planet. No pressure. Just honest advice from people who genuinely care about doing the job right.

And if you’re calling us for a furnace or A/C repair? You’ll unlock our never-expiring Repair Buyback that credits you back up to $1500 off a future full HVAC system replacement. It’s just one more way we make today’s decision count toward tomorrow’s comfort.

Our EcoFi Advantage Membership is packed with perks to help protect your home and your wallet—and we always show up on time, with professional, courteous service you can count on. You can even book online anytime at www.geteco.com.

Proudly serving Central Ohio since 2007, Dayton since 2021, Cincinnati since 2023, and Chillicothe since 2023. We come through for you when you need us to. – Aaron Gaynor

"Eco plumbers did a great job cleaning out our main sewer line to the street. Our technician, Trenton, was friendly, knowledgeable, and had our line clear in less than 30 minutes. He tested thoroughly before he wrapped up, and he cleaned up after himself well. The price and 1 year warranty are competitive. I will definitely call Eco again!"

Jamie O on December 2025

We come through for you when you need us to. That’s not just a promise—it’s how we do business. At Eco Plumbers, Electricians, and HVAC Technicians, we don’t just fix problems, we deliver peace of mind. Whether it’s plumbing, electrical, heating, or cooling, our team of skilled professionals is here to repair, upgrade, or replace whatever’s giving you trouble.

We’ll walk you through your options and help you choose what makes the most sense for your home, balancing function, budget, and what’s best for the planet. No pressure. Just honest advice from people who genuinely care about doing the job right.

And if you’re calling us for a furnace or A/C repair? You’ll unlock our never-expiring Repair Buyback that credits you back up to $1500 off a future full HVAC system replacement. It’s just one more way we make today’s decision count toward tomorrow’s comfort.

Our EcoFi Advantage Membership is packed with perks to help protect your home and your wallet—and we always show up on time, with professional, courteous service you can count on. You can even book online anytime at www.geteco.com.

Proudly serving Central Ohio since 2007, Dayton since 2021, Cincinnati since 2023, and Chillicothe since 2023. We come through for you when you need us to. – Aaron Gaynor

"Eco plumbers did a great job cleaning out our main sewer line to the street. Our technician, Trenton, was friendly, knowledgeable, and had our line clear in less than 30 minutes. He tested thoroughly before he wrapped up, and he cleaned up after himself well. The price and 1 year warranty are competitive. I will definitely call Eco again!"

Jamie O on December 2025


Avatar for Eco Plumbers, Electricians, and HVAC Technicians

Eco Plumbers, Electricians, and HVAC Technicians

4.65(
555
)
Approved Pro

Eco Plumbers, Electricians, and HVAC Technicians

4.65(
555
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
108 local quotes requested

Whatever the task, large or small, our focus is on helping you explore your options, so that you can balance functionality, environmental friendliness, and price for your project. No matter what you decide, we'll employ our knowledge and experience to better suit you, your wallet, and our environment.

"Very informative and the technician figured out a way to resolve a problem that two previous plumbers could not fully fix"

Cynthia B on November 2025

Whatever the task, large or small, our focus is on helping you explore your options, so that you can balance functionality, environmental friendliness, and price for your project. No matter what you decide, we'll employ our knowledge and experience to better suit you, your wallet, and our environment.

"Very informative and the technician figured out a way to resolve a problem that two previous plumbers could not fully fix"

Cynthia B on November 2025


Avatar for Mr. Rooter Plumbing of Cleveland

Mr. Rooter Plumbing of Cleveland

4.35(
275
)
Approved Pro

Mr. Rooter Plumbing of Cleveland

4.35(
275
)
Approved Pro
Customers say: Quick response
403 local quotes requested
31 years of experience

At Mr. Rooter Plumbing every customer’s individual needs are important. Whether it’s a simple sink clog or a damaged sewer line, you can count on a Mr. Rooter plumber to take care of your plumbing needs – day or night – with never an overtime charge. Our professional service, quality products and honest, up-front pricing make Mr. Rooter the best value in plumbing services nationwide. Mr. Rooter is ready for all emergency plumbing issues, from clogged drains and sewage backups to frozen pipes and leaking water heaters. You can count on an expert diagnosis from Mr. Rooter with our camera inspection tools. Then we’ll fix it right the first time, whether it takes HydroScrub drain cleaning or trenchless pipe repair, with courteous smiles on our faces. There's a reason they call us Mr. Call your local Mr. Rooter today.

"Paxton Geng did a flawless plumbing job! He’s a great person and extremely skilled! I enjoyed all of his explaining and wealth of knowledge!"

Abe H on December 2025

At Mr. Rooter Plumbing every customer’s individual needs are important. Whether it’s a simple sink clog or a damaged sewer line, you can count on a Mr. Rooter plumber to take care of your plumbing needs – day or night – with never an overtime charge. Our professional service, quality products and honest, up-front pricing make Mr. Rooter the best value in plumbing services nationwide. Mr. Rooter is ready for all emergency plumbing issues, from clogged drains and sewage backups to frozen pipes and leaking water heaters. You can count on an expert diagnosis from Mr. Rooter with our camera inspection tools. Then we’ll fix it right the first time, whether it takes HydroScrub drain cleaning or trenchless pipe repair, with courteous smiles on our faces. There's a reason they call us Mr. Call your local Mr. Rooter today.

"Paxton Geng did a flawless plumbing job! He’s a great person and extremely skilled! I enjoyed all of his explaining and wealth of knowledge!"

Abe H on December 2025


Roto-Rooter is a fully licensed and insured plumbing company providing 24/7 plumbing services, drain cleaning, and water damage cleanup. More people depend on Roto-Rooter than any other plumbing company in North America.


Avatar for Roto-Rooter Plumbing & Water Cleanup

Roto-Rooter Plumbing & Water Cleanup

4.14(
14
)
Approved Pro

Roto-Rooter Plumbing & Water Cleanup

4.14(
14
)
Approved Pro
Customers say: Quality work
115 local quotes requested
Free onsite estimate

When you need an emergency plumber or a drain cleaner, call Roto-Rooter Plumbing & Water Cleanup. Your fast & reliable plumber can fix any plumbing problem, including sump pumps, toilet repair, faucet repair, faucet replacement, garbage disposals, water heaters, bathtubs, showers, and outside faucets. Roto-Rooter is best known for drain cleaning & sewer cleaning. We fix drain clogs, clogged toilets or sinks, blockage of main sewer lines, slow draining shower and bathtub drains, sewer lines and leaking or burst pipes. We also specialize in water damage restoration & water cleanup services. We can fix and clean up your flooded basement too. Roto-Rooter is a 24-hour plumber near you and provides emergency service.

"Excellent work. Easy to work with and got the job done quickly. Price was exactly as quoted."

Bria A on November 2023

When you need an emergency plumber or a drain cleaner, call Roto-Rooter Plumbing & Water Cleanup. Your fast & reliable plumber can fix any plumbing problem, including sump pumps, toilet repair, faucet repair, faucet replacement, garbage disposals, water heaters, bathtubs, showers, and outside faucets. Roto-Rooter is best known for drain cleaning & sewer cleaning. We fix drain clogs, clogged toilets or sinks, blockage of main sewer lines, slow draining shower and bathtub drains, sewer lines and leaking or burst pipes. We also specialize in water damage restoration & water cleanup services. We can fix and clean up your flooded basement too. Roto-Rooter is a 24-hour plumber near you and provides emergency service.

"Excellent work. Easy to work with and got the job done quickly. Price was exactly as quoted."

Bria A on November 2023


Avatar for Roto-Rooter Plumbing & Water Cleanup

Roto-Rooter Plumbing & Water Cleanup

4.33(
408
)
Approved Pro

Roto-Rooter Plumbing & Water Cleanup

4.33(
408
)
Approved Pro
Customers say: Quick response
73 local quotes requested
90 years of experience

When you need an emergency plumber or a drain cleaner, call Roto-Rooter Plumbing & Water Cleanup. Your fast & reliable plumber can fix any plumbing problem, including sump pumps, toilet repair, faucet repair, faucet replacement, garbage disposals, water heaters, bathtubs, showers, and outside faucets. Roto-Rooter is best known for drain cleaning & sewer cleaning. We fix drain clogs, clogged toilets or sinks, blockage of main sewer lines, slow draining shower and bathtub drains, sewer lines and leaking or burst pipes. We also specialize in water damage restoration & water cleanup services. We can fix and clean up your flooded basement too. Roto-Rooter is a 24-hour plumber near you and provides emergency service.

"They were able to come out quickly to assess the issue, then schedule the work. The work was performed quickly, but they did have to come back and fix the drainage issue, as they had set the drain as one of the high spots in the basement, not the lowest. So, while it works, it looks odd and I’ve got a drainage tube in a weird spot."

Scott T on August 2023

When you need an emergency plumber or a drain cleaner, call Roto-Rooter Plumbing & Water Cleanup. Your fast & reliable plumber can fix any plumbing problem, including sump pumps, toilet repair, faucet repair, faucet replacement, garbage disposals, water heaters, bathtubs, showers, and outside faucets. Roto-Rooter is best known for drain cleaning & sewer cleaning. We fix drain clogs, clogged toilets or sinks, blockage of main sewer lines, slow draining shower and bathtub drains, sewer lines and leaking or burst pipes. We also specialize in water damage restoration & water cleanup services. We can fix and clean up your flooded basement too. Roto-Rooter is a 24-hour plumber near you and provides emergency service.

"They were able to come out quickly to assess the issue, then schedule the work. The work was performed quickly, but they did have to come back and fix the drainage issue, as they had set the drain as one of the high spots in the basement, not the lowest. So, while it works, it looks odd and I’ve got a drainage tube in a weird spot."

Scott T on August 2023


McLean Plumbing

4.93(
25
)
Approved Pro

McLean Plumbing

4.93(
25
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
30 local quotes requested

We're dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and 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.

"- Great work, very happy with it"

Stephanie L on June 2025

We're dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and 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.

"- Great work, very happy with it"

Stephanie L on June 2025


Avatar for Evergreen Plumbing & Drains

Evergreen Plumbing & Drains

5.00(
2
)
Approved Pro

Evergreen Plumbing & Drains

5.00(
2
)
Approved Pro
2 years of experience
Free onsite estimate

At Evergreen Plumbing & Drains, we are committed to serving our community, team members, and customers with honesty, integrity, professionalism, and reliability. We strive for continuous improvement in our processes, training, craftsmanship, and service—delivering quality you can trust. Plumbing is our service. People are our purpose.

"David was great! Very informative on what the problem was and taught me a little about plumbing. Would recommend them for your plumbing issues. "

Nick A on October 2025

At Evergreen Plumbing & Drains, we are committed to serving our community, team members, and customers with honesty, integrity, professionalism, and reliability. We strive for continuous improvement in our processes, training, craftsmanship, and service—delivering quality you can trust. Plumbing is our service. People are our purpose.

"David was great! Very informative on what the problem was and taught me a little about plumbing. Would recommend them for your plumbing issues. "

Nick A on October 2025


Avatar for Apollo Home

Apollo Home

4.22(
51
)
Approved Pro

Apollo Home

4.22(
51
)
Approved Pro
Customers say: Quality work
150 local quotes requested
56 years of experience

Apollo Home is a locally owned and operated company, with over 100 years of experience. We specialize in professional heating, cooling, plumbing and electrical services. Our commitment is guaranteed customer satisfaction, on every project we complete. Call us today for a free estimate.

"Technician seemed to be focused on selling me a whole new furnace and insisted on it. I spoke to other hvac techs and got the issue resolved for way less."

Alex R G on December 2022

Apollo Home is a locally owned and operated company, with over 100 years of experience. We specialize in professional heating, cooling, plumbing and electrical services. Our commitment is guaranteed customer satisfaction, on every project we complete. Call us today for a free estimate.

"Technician seemed to be focused on selling me a whole new furnace and insisted on it. I spoke to other hvac techs and got the issue resolved for way less."

Alex R G on December 2022

...
Showing 1-10 of 1015

The Waynesville, OH homeowners’ guide to tankless water heater installations

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