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Tankless water heater installers in Mauldin

Avatar for Ethical Plumbing
Ethical Plumbing
416 Waddell Rd
4.74(
68
)
Approved Pro
Ethical Plumbing
416 Waddell Rd
4.74(
68
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
37 local quotes requested

It is our pledge, as a family run business with 25 years experience, to give you: Top quality workmanship, professional service and affordable pricing. We look forward to meeting you and your families as we strive to give you the best possible plumbing service available.

"these guys fixed my problem in a fast and great manner I would use them again great job."

Steve B on April 2025

It is our pledge, as a family run business with 25 years experience, to give you: Top quality workmanship, professional service and affordable pricing. We look forward to meeting you and your families as we strive to give you the best possible plumbing service available.

"these guys fixed my problem in a fast and great manner I would use them again great job."

Steve B on April 2025


Avatar for The Water Heater Source LLC
The Water Heater Source LLC
105 Stubby Dr.
5.00(
6
)
Approved Pro
The Water Heater Source LLC
105 Stubby Dr.
5.00(
6
)
Approved Pro
2 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer’s 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.

"Very nice gentleman very professional and reasonable pricing."

caprice f on April 2025

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer’s 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.

"Very nice gentleman very professional and reasonable pricing."

caprice f on April 2025


Avatar for Five Star Plumbing Heating Cooling Electrical & Insulation
Five Star Plumbing Heating Cooling Electrical & Insulation
3385 Brushy Creek Road
4.69(
31
)
Approved Pro
Five Star Plumbing Heating Cooling Electrical & Insulation
3385 Brushy Creek Road
4.69(
31
)
Approved Pro
Customers say: True professional
132 local quotes requested
25 years of experience

Why does it seem that the worst plumbing or air conditioning problems happen when you least expect it? Your AC fails in the middle of a record heat wave, you find a water leak right as you’re leaving for vacation, or your heater stops working in the dead of winter. Whether you need routine maintenance to prevent such issues in the first place, or a trusted technician to handle a plumbing or air conditioning emergency, you can trust the team at Five Star Plumbing Heating Cooling.

"Chad did a fantastic job taking care of my PEX pinhole leak. He was able to come the same day, was fast, friendly and knowledgeable."

Darren M on December 2024

Why does it seem that the worst plumbing or air conditioning problems happen when you least expect it? Your AC fails in the middle of a record heat wave, you find a water leak right as you’re leaving for vacation, or your heater stops working in the dead of winter. Whether you need routine maintenance to prevent such issues in the first place, or a trusted technician to handle a plumbing or air conditioning emergency, you can trust the team at Five Star Plumbing Heating Cooling.

"Chad did a fantastic job taking care of my PEX pinhole leak. He was able to come the same day, was fast, friendly and knowledgeable."

Darren M on December 2024


Avatar for Viper Services, LLC
Viper Services, LLC
3501 Rutherford Rd Extension
4.78(
135
)
Approved Pro
Viper Services, LLC
3501 Rutherford Rd Extension
4.78(
135
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
21 local quotes requested

Viper Services proudly serves Greenville & Upstate of South Carolina. Our work is backed up by a 1 year parts and labor guarantee. Free quotes and transparent pricing!

"I recommend them"

Tyler S on February 2025

Viper Services proudly serves Greenville & Upstate of South Carolina. Our work is backed up by a 1 year parts and labor guarantee. Free quotes and transparent pricing!

"I recommend them"

Tyler S on February 2025


Avatar for Pipedex Plumbing and Drains
Pipedex Plumbing and Drains
14 Dudley Rd
5.00(
6
)
Approved Pro
Pipedex Plumbing and Drains
14 Dudley Rd
5.00(
6
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
91 local quotes requested

At Pipedex Plumbing and Drains, we are a professional and dependable plumbing contractor near Spartanburg, SC, proudly serving Spartanburg and Greenville areas. Our team of licensed, insured, and bonded plumbing experts delivers top-notch residential services. Whether you need to repair or replace water and drain pipes, clear clogged drains, install and repair gas pipes, or install new gas appliances like stoves, dryers, water heaters, fire pits, or fireplaces, we've got you covered. We also specialize in installing and repairing all types of water heaters, including electric, gas, and tankless models, and offer expert sewer pipe repairs. We pride ourselves on our craftsmanship, providing upfront, transparent pricing and warranties.

"Excellent service, so friendly and informative. The person whom came out explained the process step by step and reassured me before he left everything was okay."

deb P on December 2024

At Pipedex Plumbing and Drains, we are a professional and dependable plumbing contractor near Spartanburg, SC, proudly serving Spartanburg and Greenville areas. Our team of licensed, insured, and bonded plumbing experts delivers top-notch residential services. Whether you need to repair or replace water and drain pipes, clear clogged drains, install and repair gas pipes, or install new gas appliances like stoves, dryers, water heaters, fire pits, or fireplaces, we've got you covered. We also specialize in installing and repairing all types of water heaters, including electric, gas, and tankless models, and offer expert sewer pipe repairs. We pride ourselves on our craftsmanship, providing upfront, transparent pricing and warranties.

"Excellent service, so friendly and informative. The person whom came out explained the process step by step and reassured me before he left everything was okay."

deb P on December 2024


Avatar for Ethical Plumbing
Ethical Plumbing
416 Waddell Rd
4.68(
317
)
Approved Pro
Ethical Plumbing
416 Waddell Rd
4.68(
317
)
Approved Pro
Customers say: Super punctual
347 local quotes requested
15 years of experience

LOCAL, Master Plumbers at your service. Focused on Quality Workmanship, Professional Service and Affordable Pricing.

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Eric S on January 2025

LOCAL, Master Plumbers at your service. Focused on Quality Workmanship, Professional Service and Affordable Pricing.

"Djdjdjfjfnfj"

Eric S on January 2025


Avatar for New Wave Builders
New Wave Builders
Serving Area
5.00(
3
)
Approved Pro
New Wave Builders
Serving Area
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
723 local quotes requested

With more than 15 years of experience, New Wave Builders is a leading supplier of contracting services such as insurance restorations, new home additions, new construction and more. As a general contractor in Greenville, SC, we offer a personalized service with quality workmanship guaranteed. If you need a reliable contractor for your home or business, call the experts at New Wave Builders today

"It went great. They are very punctual and professional. The work quality is good and I would recommend them to anybody. They showed up when they said that they would."

Dennis G on November 2021

With more than 15 years of experience, New Wave Builders is a leading supplier of contracting services such as insurance restorations, new home additions, new construction and more. As a general contractor in Greenville, SC, we offer a personalized service with quality workmanship guaranteed. If you need a reliable contractor for your home or business, call the experts at New Wave Builders today

"It went great. They are very punctual and professional. The work quality is good and I would recommend them to anybody. They showed up when they said that they would."

Dennis G on November 2021


Avatar for Sanford & Son Plumbing & Drain Service
Sanford & Son Plumbing & Drain Service
315 Catterick Way
5.00(
9
)
Approved Pro
Sanford & Son Plumbing & Drain Service
315 Catterick Way
5.00(
9
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
311 local quotes requested

Sanford & Son Plumbing & Drain Service is a family-owned business with 30 years of experience. We specialize in same-day service, ensuring your plumbing needs are met promptly. Customer satisfaction is our top priority, and we offer free estimates and advice with a cheerful attitude. Known for our loyalty, precision, and attention to detail, we are your trusted plumbing and drain service provider. Call today for fast, reliable service!

"I had a fantastic experience with this company for my gas stove installation. They responded quickly to my inquiry and were able to provide same-day service, which was a huge relief. The technician was professional, knowledgeable, and efficient, ensuring everything was installed safely and correctly. I also appreciated their fair, upfront pricing—no surprises or hidden fees. Overall, I highly recommend their service to anyone in need of a reliable and hassle-free gas stove installation!"

Jonathan K on March 2025

Sanford & Son Plumbing & Drain Service is a family-owned business with 30 years of experience. We specialize in same-day service, ensuring your plumbing needs are met promptly. Customer satisfaction is our top priority, and we offer free estimates and advice with a cheerful attitude. Known for our loyalty, precision, and attention to detail, we are your trusted plumbing and drain service provider. Call today for fast, reliable service!

"I had a fantastic experience with this company for my gas stove installation. They responded quickly to my inquiry and were able to provide same-day service, which was a huge relief. The technician was professional, knowledgeable, and efficient, ensuring everything was installed safely and correctly. I also appreciated their fair, upfront pricing—no surprises or hidden fees. Overall, I highly recommend their service to anyone in need of a reliable and hassle-free gas stove installation!"

Jonathan K on March 2025


Avatar for C&M Septic and Plumbing
C&M Septic and Plumbing
P.O. Box 753
4.33(
6
)
Approved Pro
C&M Septic and Plumbing
P.O. Box 753
4.33(
6
)
Approved Pro
Customers say: True professional
226 local quotes requested
6 years of experience

C&M Septic and Plumbing is a family owned company that is here to help with reasonable pricing. We cover all Septic and Plumbing needs. We are quick, efficient, and great at what we do. We offer great pricing and even financing for those really unexpected costs.

"I made an appt with them for Wednesday from noon to 2. They no showed and didn’t bother to call. I called back Friday and they agreed to come out right then. However, the truck didn’t have enough to pump my entire septic and they said they would come out first thing Monday. They no showed again on Monday. Four days later they tried to contact me to reschedule. I refused at that point. I can’t be kept waiting for 2 weeks for whenever they feel it is convenient for them…if you make an appt, keep it!"

Paulo S on March 2024

C&M Septic and Plumbing is a family owned company that is here to help with reasonable pricing. We cover all Septic and Plumbing needs. We are quick, efficient, and great at what we do. We offer great pricing and even financing for those really unexpected costs.

"I made an appt with them for Wednesday from noon to 2. They no showed and didn’t bother to call. I called back Friday and they agreed to come out right then. However, the truck didn’t have enough to pump my entire septic and they said they would come out first thing Monday. They no showed again on Monday. Four days later they tried to contact me to reschedule. I refused at that point. I can’t be kept waiting for 2 weeks for whenever they feel it is convenient for them…if you make an appt, keep it!"

Paulo S on March 2024


Avatar for Appliance Grandmasters
Appliance Grandmasters
2421 New Easley Hwy
4.41(
81
)
Approved Pro
Appliance Grandmasters
2421 New Easley Hwy
4.41(
81
)
Approved Pro
Customers say: Super punctual
243 local quotes requested
9 years of experience

Appliance GrandMasters of Greenville is a Family Owned appliance repair company. Our factory trained service technicians are experts in the repair and maintenance of most major brands of appliances. From first contact to job completion, you can be assured of professional and affordable appliance service and repair. We offer fast, friendly and courteous service. We use only the best products and equipment and maintain a high skilled staff to answer any of your questions. We have built our reputation on our commitment to providing quality service, which has earned us many valuable customers.

"They were very good. Their job was to install a new ice maker that I had to order. Their work in installing was excellent."

Jean C on January 2022

Appliance GrandMasters of Greenville is a Family Owned appliance repair company. Our factory trained service technicians are experts in the repair and maintenance of most major brands of appliances. From first contact to job completion, you can be assured of professional and affordable appliance service and repair. We offer fast, friendly and courteous service. We use only the best products and equipment and maintain a high skilled staff to answer any of your questions. We have built our reputation on our commitment to providing quality service, which has earned us many valuable customers.

"They were very good. Their job was to install a new ice maker that I had to order. Their work in installing was excellent."

Jean C on January 2022

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Tankless water heater installations FAQs

Yes, although they have a higher upfront cost compared to traditional units, tankless water heaters can be worth the investment for many homeowners. They heat water on demand, eliminating standby energy losses and leading to 24% to 34% greater energy efficiency for homes using up to 41 gallons of hot water daily. Tankless units last longer—around 20 years with proper maintenance—and require less space than traditional units. They also reduce the risk of leaks and water damage since there's no tank to corrode and fail.

Tankless water heaters, including gas-powered models, do require electricity to operate components like the ignition and control systems. This means they won't function during a power outage. If you live in an area prone to outages and want to ensure a continuous hot water supply, consider installing a battery backup system or generator to keep your tankless water heater running when the power goes out.

You should set your tankless water heater to 120 degrees Fahrenheit for optimal safety and efficiency, as recommended by the U.S. Consumer Product Safety Commission. Setting the temperature at 120 degrees prevents scalding accidents, particularly for children and the elderly, and reduces energy consumption. Temperatures above 140 degrees increase the risk of burns and promote mineral buildup, which can decrease the system's efficiency.

A 20-minute shower uses 50 to 60 gallons of water, assuming a flow rate of 2.5 to 3 gallons per minute. A typical whole-house tankless water heater can produce 4 to 8 gallons of hot water per minute, providing continuous hot water for long showers. By installing low-flow showerheads and reducing shower time, you decrease water consumption and energy costs, maximizing the efficiency of your tankless system.

With proper maintenance, a tankless water heater lasts around 20 years, significantly longer than conventional tank water heaters, which last between 8 and 12 years. Regular inspections and timely repairs can further extend its lifespan. To keep your tankless system operating efficiently, have it inspected or serviced annually and address any minor issues promptly by contacting a local tankless water heater repair service.

The homeowners guide to tankless water heater installations
From average costs to expert advice, get all the answers you need to get your job done.
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