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Tankless water heater installers in San Marcos

Avatar for Murphy's Plumbing LLC
Murphy's Plumbing LLC
716 Scheel
5.00(
2
)
Approved Pro
Murphy's Plumbing LLC
716 Scheel
5.00(
2
)
Approved Pro
Free onsite estimate
Emergency services offered

Murphy's Plumbing offers top-tier plumbing solutions for both residential and commercial customers. We're committed to providing you with the highest quality service, available 24/7, so you can have peace of mind that assistance is just a phone call away. Plus! We offer free estimates to ensure transparency and trust in every project. Give us a call today!

"Taylor is a lovely person who worked with us with scheduling, installation, price. He was efficient, professional and personable. Liked his so much, I'd like to have him and his wife and new baby over for supper! Recommend!"

Rosemary B on April 2025

Murphy's Plumbing offers top-tier plumbing solutions for both residential and commercial customers. We're committed to providing you with the highest quality service, available 24/7, so you can have peace of mind that assistance is just a phone call away. Plus! We offer free estimates to ensure transparency and trust in every project. Give us a call today!

"Taylor is a lovely person who worked with us with scheduling, installation, price. He was efficient, professional and personable. Liked his so much, I'd like to have him and his wife and new baby over for supper! Recommend!"

Rosemary B on April 2025


Avatar for STAMPORT PLUMBING & UNDERGROUND UTILITIES
STAMPORT PLUMBING & UNDERGROUND UTILITIES
1371 County Road 405
5.00(
1
)
Approved Pro
STAMPORT PLUMBING & UNDERGROUND UTILITIES
1371 County Road 405
5.00(
1
)
Approved Pro
42 years of experience
Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"Professional from the beginning. Very informative and people friendly. Excellent workmanship and patient. They took the time to explain each step to me, and what to expect after the work was completed. Would definitely hire again and recommend to others."

Hellen B on April 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"Professional from the beginning. Very informative and people friendly. Excellent workmanship and patient. They took the time to explain each step to me, and what to expect after the work was completed. Would definitely hire again and recommend to others."

Hellen B on April 2025


Avatar for Honest Plumbing & Air
Honest Plumbing & Air
112 MCNUTT RD
4.85(
17
)
Approved Pro
Honest Plumbing & Air
112 MCNUTT RD
4.85(
17
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
32 local quotes requested

Honest Plumbing & Air has been providing the best in HVAC and plumbing services to residents across Central Texas. Above all, we operate on the belief that honesty is the best policy. We will take the time to properly assess your specific situation and we will not overcharge you for unnecessary work. You can rest assured that when you call Honest Plumbing & Air, you're getting a professional technician who will be straightforward with you every step of the way. Our team will effectively diagnose your air conditioning, heating, or plumbing problem, without exaggerating the truth.

"Our AC went out and we called Honest Air. Randy came out to diagnose the problem and did his best to save our old system. The system was too far gone so he helped us pick a new system that would meet our needs and help us save energy. Install day, we had Jeremy, Kade and Logan come in to set up out new system. They were great! They were nice, informative, efficient and courteous to our needs. They also informed us of an issue from the original install of our old system and are going to come back out to correct it for us."

Juli F on June 2020

Honest Plumbing & Air has been providing the best in HVAC and plumbing services to residents across Central Texas. Above all, we operate on the belief that honesty is the best policy. We will take the time to properly assess your specific situation and we will not overcharge you for unnecessary work. You can rest assured that when you call Honest Plumbing & Air, you're getting a professional technician who will be straightforward with you every step of the way. Our team will effectively diagnose your air conditioning, heating, or plumbing problem, without exaggerating the truth.

"Our AC went out and we called Honest Air. Randy came out to diagnose the problem and did his best to save our old system. The system was too far gone so he helped us pick a new system that would meet our needs and help us save energy. Install day, we had Jeremy, Kade and Logan come in to set up out new system. They were great! They were nice, informative, efficient and courteous to our needs. They also informed us of an issue from the original install of our old system and are going to come back out to correct it for us."

Juli F on June 2020


Avatar for Ben Franklin Plumbing of San Marcos
Ben Franklin Plumbing of San Marcos
1409 N. Bishop St. Suite B5
5.00(
1
)
Approved Pro
Ben Franklin Plumbing of San Marcos
1409 N. Bishop St. Suite B5
5.00(
1
)
Approved Pro
1 years of experience
Emergency services offered

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.

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.


Avatar for Mr. Rooter Plumbing of Austin
Mr. Rooter Plumbing of Austin
12201 Roxie Dr
3.82(
28
)
Approved Pro
Mr. Rooter Plumbing of Austin
12201 Roxie Dr
3.82(
28
)
Approved Pro
Customers say: Quality work
253 local quotes requested
55 years of experience

Mr. Rooter Plumbing of Austin is standing by to take care of any plumbing issues you might have in your home. Our team is known for being friendly, punctual, knowledgeable, efficient, and clean. Our Austin plumbing services are known for being effective and competitively priced. Keep your home’s plumbing systems in tip-top conditions with the help of Mr. Rooter Plumbing of Austin. With routine maintenance, we can help you avoid major plumbing problems. But if they do happen, our repair services can get us at your door quickly to get things under control, even for emergencies that happen at odd hours and on weekends or holidays! We bring you the best of all worlds when you call on us to work on your Austin home plumbing services. You get the personability and quick turn-around times of a local plumber. But you also get the advanced training and top-grade equipment of a corporate plumbing company!

"It went well. They heiped get the manufacture to replace the heater for no charge. We had to pay for labor but still we didn't have to pay for the heater. Aaron was friendly and did a great job."

Cate S on July 2023

Mr. Rooter Plumbing of Austin is standing by to take care of any plumbing issues you might have in your home. Our team is known for being friendly, punctual, knowledgeable, efficient, and clean. Our Austin plumbing services are known for being effective and competitively priced. Keep your home’s plumbing systems in tip-top conditions with the help of Mr. Rooter Plumbing of Austin. With routine maintenance, we can help you avoid major plumbing problems. But if they do happen, our repair services can get us at your door quickly to get things under control, even for emergencies that happen at odd hours and on weekends or holidays! We bring you the best of all worlds when you call on us to work on your Austin home plumbing services. You get the personability and quick turn-around times of a local plumber. But you also get the advanced training and top-grade equipment of a corporate plumbing company!

"It went well. They heiped get the manufacture to replace the heater for no charge. We had to pay for labor but still we didn't have to pay for the heater. Aaron was friendly and did a great job."

Cate S on July 2023


Avatar for Sweetwater Home Services
Sweetwater Home Services
1724 Cheddar Loop
4.17(
53
)
Approved Pro
Sweetwater Home Services
1724 Cheddar Loop
4.17(
53
)
Approved Pro
Customers say: Super punctual
285 local quotes requested
38 years of experience

Your local water treatment experts sense 1987. We install industry-leading water treatment systems and water heaters at the highest professional standards. We also provide FULL bathroom remodels, transforming old run down bathrooms into the oasis homeowners dreamed of.

"They replaced the gas water heater in my attic on the date and time they said they would, they cleaned up after themselves and took off the old water heater as agreed. This was a bit of a rush job since my old water heater quit working correctly and my sister was coming to visit. They contacted me within 15 minutes of my request for a quote through Angie but I felt like they could have done a better job of communicating with me at times through the process to ensure I knew they were on track to get it done on the date/time requested."

Michael C on November 2022

Your local water treatment experts sense 1987. We install industry-leading water treatment systems and water heaters at the highest professional standards. We also provide FULL bathroom remodels, transforming old run down bathrooms into the oasis homeowners dreamed of.

"They replaced the gas water heater in my attic on the date and time they said they would, they cleaned up after themselves and took off the old water heater as agreed. This was a bit of a rush job since my old water heater quit working correctly and my sister was coming to visit. They contacted me within 15 minutes of my request for a quote through Angie but I felt like they could have done a better job of communicating with me at times through the process to ensure I knew they were on track to get it done on the date/time requested."

Michael C on November 2022


Avatar for WJP Renovation LLC
WJP Renovation LLC
9908 MATEO CV
5.00(
49
)
Approved Pro
WJP Renovation LLC
9908 MATEO CV
5.00(
49
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
455 local quotes requested

WJP Renovation LLC specializes in kitchen and bathroom renovations as well as granite and marble countertop installation and fabrication. It is a family-owned business that provides outstanding services. We understand the importance of feeling comfortable in your own home. You can count on our dedication to quality and our ability to maximize the value of your home. From initial consultation to installation, WJP Renovation will provide exemplary service and attention to detail. At WJP Renovation we specialize in kitchen and bathroom remodeling. The kitchen is the most important room in any house. From breakfast to dinner, it’s the focal social space of the modern American home. We can also give you a bathroom that is not only functional but features your own personal touch. From custom tile work to the perfect light fixtures, we’ll make sure your bathroom is an intimate sanctuary to unwind and feel at peace in.

"all the grout and surrounding silicone caulk needed to be removed and replaced with new product. not a large project however heavy use area so important the work was performed well. Service REP was very meticulous, thorough and respectful including full clean-up."

Andrew K on April 2025

WJP Renovation LLC specializes in kitchen and bathroom renovations as well as granite and marble countertop installation and fabrication. It is a family-owned business that provides outstanding services. We understand the importance of feeling comfortable in your own home. You can count on our dedication to quality and our ability to maximize the value of your home. From initial consultation to installation, WJP Renovation will provide exemplary service and attention to detail. At WJP Renovation we specialize in kitchen and bathroom remodeling. The kitchen is the most important room in any house. From breakfast to dinner, it’s the focal social space of the modern American home. We can also give you a bathroom that is not only functional but features your own personal touch. From custom tile work to the perfect light fixtures, we’ll make sure your bathroom is an intimate sanctuary to unwind and feel at peace in.

"all the grout and surrounding silicone caulk needed to be removed and replaced with new product. not a large project however heavy use area so important the work was performed well. Service REP was very meticulous, thorough and respectful including full clean-up."

Andrew K on April 2025


Blaker Restorations & Remodeling INC
3630 Cheyenne
4.32(
106
)
Approved Pro
Blaker Restorations & Remodeling INC
3630 Cheyenne
4.32(
106
)
Approved Pro
Customers say: Quality work
2248 local quotes requested
16 years of experience

General contractors, exterior siding, roofing, thermal walls and thermal windows. Complete interior remodeling. Kitchens and bathrooms, flooring and painting. Foundation repair and custom patios

"Alex Blaker and his team were referred to me by ADU small home sales person in Austin Tx. My project was creating additional barrier walls in a home for the PadSplit app. We had to add 3 electrical outlets, as well as connect a clothes washer that required all lines electrical and water to be ran. Alex was cordial, easy to work with and genuinely cares about the work and level of craftsmanship that goes into the project. You will meet Dario and others on his team who are incredibly polite, clean, and efficient. Project was completed in a little over a week. Budget: initial bid around $7800 + taxes, two owner approved add ons elevated the project around $600. (Plug relocation, and dryer vent routing) Payment was made in 3 payments over the life of the project. I like this as it lets you see the project be started first. Alex kept me in the loop every day and came over in person to inspect, and recommend updates to the job. Happy to work with Alex and his team and look forward to working with them on future projects!"

Ryan G on April 2025

General contractors, exterior siding, roofing, thermal walls and thermal windows. Complete interior remodeling. Kitchens and bathrooms, flooring and painting. Foundation repair and custom patios

"Alex Blaker and his team were referred to me by ADU small home sales person in Austin Tx. My project was creating additional barrier walls in a home for the PadSplit app. We had to add 3 electrical outlets, as well as connect a clothes washer that required all lines electrical and water to be ran. Alex was cordial, easy to work with and genuinely cares about the work and level of craftsmanship that goes into the project. You will meet Dario and others on his team who are incredibly polite, clean, and efficient. Project was completed in a little over a week. Budget: initial bid around $7800 + taxes, two owner approved add ons elevated the project around $600. (Plug relocation, and dryer vent routing) Payment was made in 3 payments over the life of the project. I like this as it lets you see the project be started first. Alex kept me in the loop every day and came over in person to inspect, and recommend updates to the job. Happy to work with Alex and his team and look forward to working with them on future projects!"

Ryan G on April 2025


Avatar for OnCall Home Services
OnCall Home Services
12593 Research Blvd
4.35(
706
)
Approved Pro
OnCall Home Services
12593 Research Blvd
4.35(
706
)
Approved Pro
Customers say: Super punctual
743 local quotes requested
27 years of experience

With over 20 years of experience servicing the Austin area, we strive to provide a wide array of high quality, affordable services. We offer home repair, remodeling, make-readies, custom interior and exterior paint, and many other services. Currently, we have five employees, and use professional and licensed subcontractors. ***We offer free estimates, price matching, flexible payment and financing available as well as.*** Call us today for your home repair and remodeling needs! **$500 minimum for labor on Service Calls**

"On the recommendation of our realtor, we hired OnCall Home Services to remodel the kitchen in our new house. In our previous house, we were burned by a different contractor, so we were a bit nervous entering into this project. Turns out we had nothing to worry about! Beau and his crew were great to work with from the beginning of the project to the end. Whenever we had a question or concern, Beau was prompt to reply or came by the house to discuss. There were no hidden surprises in the costs because Beau was always transparent and kept us apprised about any issues or needed adjustments that came up. He and his crew were courteous, professional, and showed up on time, every day. The project was completed on schedule and we're extremely happy with the results. We wouldn't hesitate to hire OnCall Home Services again for any future house projects!"

Chris K on May 2023

With over 20 years of experience servicing the Austin area, we strive to provide a wide array of high quality, affordable services. We offer home repair, remodeling, make-readies, custom interior and exterior paint, and many other services. Currently, we have five employees, and use professional and licensed subcontractors. ***We offer free estimates, price matching, flexible payment and financing available as well as.*** Call us today for your home repair and remodeling needs! **$500 minimum for labor on Service Calls**

"On the recommendation of our realtor, we hired OnCall Home Services to remodel the kitchen in our new house. In our previous house, we were burned by a different contractor, so we were a bit nervous entering into this project. Turns out we had nothing to worry about! Beau and his crew were great to work with from the beginning of the project to the end. Whenever we had a question or concern, Beau was prompt to reply or came by the house to discuss. There were no hidden surprises in the costs because Beau was always transparent and kept us apprised about any issues or needed adjustments that came up. He and his crew were courteous, professional, and showed up on time, every day. The project was completed on schedule and we're extremely happy with the results. We wouldn't hesitate to hire OnCall Home Services again for any future house projects!"

Chris K on May 2023


Avatar for Red Earth Construction
Red Earth Construction
902 House Creek Drive
5.00(
2
)
Approved Pro
Red Earth Construction
902 House Creek Drive
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
402 local quotes requested

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business, we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!

"Geovanny and his crew were very kind, courteous, and thorough. We are very happy with our new kitchen and are looking forward to working with them again for other projects around the house."

Lauren W on October 2024

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business, we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!

"Geovanny and his crew were very kind, courteous, and thorough. We are very happy with our new kitchen and are looking forward to working with them again for other projects around the house."

Lauren W on October 2024

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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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