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Tankless water heater repair pros in Wentzville

Avatar for K&R 24 Hr Plumbing and Drain
K&R 24 Hr Plumbing and Drain
1330 Shallow Lake Dr
4.75(
8
)
Approved Pro
K&R 24 Hr Plumbing and Drain
1330 Shallow Lake Dr
4.75(
8
)
Approved Pro
43 local quotes requested
30 years of experience

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. Call us today!

"Kris, worked solo for almost 8 hrs to get the job done with help only the last hr or so. All after suffering a medical emergency. He wanted to come the day after but, I insisted not to come until he was better which only caused a delay of one day. He went above and beyond to remove obstacles in his way to get my hot water tank installed. Also, he cleaned up and removed all trash and even mopped the basement floor. Needless to say I’m very happy with the service provided."

K H on June 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. Call us today!

"Kris, worked solo for almost 8 hrs to get the job done with help only the last hr or so. All after suffering a medical emergency. He wanted to come the day after but, I insisted not to come until he was better which only caused a delay of one day. He went above and beyond to remove obstacles in his way to get my hot water tank installed. Also, he cleaned up and removed all trash and even mopped the basement floor. Needless to say I’m very happy with the service provided."

K H on June 2025


Avatar for Tri-State Water, Power & Air
Tri-State Water, Power & Air
1656 Headland Dr
4.82(
37
)
Approved Pro
Tri-State Water, Power & Air
1656 Headland Dr
4.82(
37
)
Approved Pro
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
34 local quotes requested

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!.

"He was prompt and efficient but did not show up on time."

CINDA A on February 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!.

"He was prompt and efficient but did not show up on time."

CINDA A on February 2025


Avatar for Anton's Plumbing, Heating/Cooling Energy Experts
Anton's Plumbing, Heating/Cooling Energy Experts
950 Bolger Court
4.88(
68
)
Approved Pro
Anton's Plumbing, Heating/Cooling Energy Experts
950 Bolger Court
4.88(
68
)
Approved Pro
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
25 years of experience

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.

"Both the estimator Kevin the two installers who visited my home were very professional and kind. They answered all my questions and provided a very reasonable price for the installation of the attic insulation. I feel I was very informed on the federal rebate that was available for this installation, as well as on the recommendations of quantity of insulation I needed per residential standards and codes. I would recommend Anton and will use them in the future for my HVAC needs!"

Haley D on November 2024

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.

"Both the estimator Kevin the two installers who visited my home were very professional and kind. They answered all my questions and provided a very reasonable price for the installation of the attic insulation. I feel I was very informed on the federal rebate that was available for this installation, as well as on the recommendations of quantity of insulation I needed per residential standards and codes. I would recommend Anton and will use them in the future for my HVAC needs!"

Haley D on November 2024


Avatar for Premier 1 Properties, LLC
Premier 1 Properties, LLC
319 Buckington St
4.88(
8
)
Approved Pro
Premier 1 Properties, LLC
319 Buckington St
4.88(
8
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
248 local quotes requested

At Premier 1 Properties, LLC, we solve all of your design, installation, and remodel concerns on custom home remodeling projects.The services that we are known for include Complete basement finishes, flooring work, kitchen remodeling, and bathroom remodeling/renovation in St. Charles County and St Louis County, Missouri. Our other services include: general contracting, full house remodel and restoration, and purchasing old homes for renovation, Providing quality work for our clientele is always our main priority. We service all of St. Charles and West St. Louis County, MO. For more information on the services we provide, contact us today.

"What can I say about Rick, Eric and their crew. They preformed an incredible job on our kitchen remodel. They were prompt, always on time answered all our questions and concerns. The work they preformed was outstanding and very professional. We plan on doing a bathroom remodel in the near future and Premium 1 Properties will be our go to contractor. I highly recommend them for any and all contracting projects. Thank you Rick & Eric for the awesome work you did on our kitchen!"

Rick W on May 2024

At Premier 1 Properties, LLC, we solve all of your design, installation, and remodel concerns on custom home remodeling projects.The services that we are known for include Complete basement finishes, flooring work, kitchen remodeling, and bathroom remodeling/renovation in St. Charles County and St Louis County, Missouri. Our other services include: general contracting, full house remodel and restoration, and purchasing old homes for renovation, Providing quality work for our clientele is always our main priority. We service all of St. Charles and West St. Louis County, MO. For more information on the services we provide, contact us today.

"What can I say about Rick, Eric and their crew. They preformed an incredible job on our kitchen remodel. They were prompt, always on time answered all our questions and concerns. The work they preformed was outstanding and very professional. We plan on doing a bathroom remodel in the near future and Premium 1 Properties will be our go to contractor. I highly recommend them for any and all contracting projects. Thank you Rick & Eric for the awesome work you did on our kitchen!"

Rick W on May 2024


Avatar for In 'N Out Construction
In 'N Out Construction
Servicing Around
5.00(
2
)
Approved Pro
In 'N Out Construction
Servicing Around
5.00(
2
)
Approved Pro
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
232 local quotes requested

We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today.

"Very satisfied with the quality, design and look of the composite deck. The crew did not rushed the construction or took any shortcuts. I highly recommend this company. And the owner Jose made sure he incorporate all our suggestions and was never seem bothered with our inputs. While the process was long, it was 100% worth all the effort. The porch and deck are beautiful, and we look forward to the years spent enjoying it. We continuously receive compliments from family, friends, and neighbors and have already recommended “In ‘N Out Construction”. This is the contractor that you want to choose. You will not be disappointed."

Gaurav J on July 2024

We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today.

"Very satisfied with the quality, design and look of the composite deck. The crew did not rushed the construction or took any shortcuts. I highly recommend this company. And the owner Jose made sure he incorporate all our suggestions and was never seem bothered with our inputs. While the process was long, it was 100% worth all the effort. The porch and deck are beautiful, and we look forward to the years spent enjoying it. We continuously receive compliments from family, friends, and neighbors and have already recommended “In ‘N Out Construction”. This is the contractor that you want to choose. You will not be disappointed."

Gaurav J on July 2024


Avatar for Vargas Roofing and construction
Vargas Roofing and construction
9281 Forman Road
New on HomeAdvisorNew on Angi
Approved Pro
Vargas Roofing and construction
9281 Forman Road
New on AngiNew on HomeAdvisor
Approved Pro
1408 local quotes requested
10 years of experience

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 once you see our quality work. We're passionate about delivering an exceptional experience. When you hire us, you're hiring a team of professionals who are trained and skilled to deliver lasting value to your home. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

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 once you see our quality work. We're passionate about delivering an exceptional experience. When you hire us, you're hiring a team of professionals who are trained and skilled to deliver lasting value to your home. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!


Avatar for Maris Home Improvements, Inc.
Maris Home Improvements, Inc.
208 Chesterfield Industrial Blvd
4.85(
54
)
Approved Pro
Maris Home Improvements, Inc.
208 Chesterfield Industrial Blvd
4.85(
54
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
1436 local quotes requested

Family owned and operated, we perform. With over 20 years of experience we know what it takes to make you happy. We are local in Chesterfield and our top priority is a satisfied customer.

"I had a horrible experience with Maris Home Improvements. I don't recommend them. You are better off going with Window World!"

Monica C on May 2025

Family owned and operated, we perform. With over 20 years of experience we know what it takes to make you happy. We are local in Chesterfield and our top priority is a satisfied customer.

"I had a horrible experience with Maris Home Improvements. I don't recommend them. You are better off going with Window World!"

Monica C on May 2025


Avatar for KIRKWOOD PLUMBING INC
KIRKWOOD PLUMBING INC
1741 Rudder Industrial Park Dr
4.28(
94
)
Approved Pro
KIRKWOOD PLUMBING INC
1741 Rudder Industrial Park Dr
4.28(
94
)
Approved Pro
Customers say: Super punctual
150 local quotes requested
38 years of experience

Since 1985, Kirkwood Plumbing has been performing fast, affordable, and high-quality plumbing services to homes and businesses in St. Louis and beyond. Our licensed and certified plumbers believe that quality workmanship and clear, honest communication makes all the difference, which is why you can count on us to always deliver honest recommendations, unmatched service, and 5-star customer care. No job is too big or small for our skilled plumbers, so whether you need seamless installations, remodels, repairs, or replacements, our team can help. From designing and installing your dream kitchen to replacing an outdated water heater and everything in between, you can count on our plumbers to exceed your expectations at every turn.

"They couldn't give me a price over the phone (even though it's a standard repair), they will only give you a price by coming to your home. If you don't use their service, they charge a trip charge of $59. As it turns out, their "book price" for a PRV is beyond ridiculous at nearly $800. The parts run $125ish at RETAIL (Home Depot), and it can't take more than 2 hours TOPS to replace it (less than an hour based on multiple Youtube videos), so MAYBE $450 could be considered “reasonable”. I’m VERY unhappy that their prices are so exorbitant, and I even had to pay for the privilege of having somebody come all of the way here to tell me the “book price”, when they could have given me that price over the phone and kept us both from wasting time and $. It’s troubling to have to pay a trip charge just to get a ridiculously overpriced bid. Another vendor gave me a fixed price, OVER THE PHONE, of $400. No trip charge, no funny games. I just sent the technician home. I’m usually not very vocal, but this is egregious. Obviously, I would NOT recommend this company."

John L on December 2021

Since 1985, Kirkwood Plumbing has been performing fast, affordable, and high-quality plumbing services to homes and businesses in St. Louis and beyond. Our licensed and certified plumbers believe that quality workmanship and clear, honest communication makes all the difference, which is why you can count on us to always deliver honest recommendations, unmatched service, and 5-star customer care. No job is too big or small for our skilled plumbers, so whether you need seamless installations, remodels, repairs, or replacements, our team can help. From designing and installing your dream kitchen to replacing an outdated water heater and everything in between, you can count on our plumbers to exceed your expectations at every turn.

"They couldn't give me a price over the phone (even though it's a standard repair), they will only give you a price by coming to your home. If you don't use their service, they charge a trip charge of $59. As it turns out, their "book price" for a PRV is beyond ridiculous at nearly $800. The parts run $125ish at RETAIL (Home Depot), and it can't take more than 2 hours TOPS to replace it (less than an hour based on multiple Youtube videos), so MAYBE $450 could be considered “reasonable”. I’m VERY unhappy that their prices are so exorbitant, and I even had to pay for the privilege of having somebody come all of the way here to tell me the “book price”, when they could have given me that price over the phone and kept us both from wasting time and $. It’s troubling to have to pay a trip charge just to get a ridiculously overpriced bid. Another vendor gave me a fixed price, OVER THE PHONE, of $400. No trip charge, no funny games. I just sent the technician home. I’m usually not very vocal, but this is egregious. Obviously, I would NOT recommend this company."

John L on December 2021


Avatar for Zoom Drain
Zoom Drain
1461 Larkin Williams Road
4.50(
4
)
Approved Pro
Zoom Drain
1461 Larkin Williams Road
4.50(
4
)
Approved Pro
Super Service Award
Customers say: Terrific value
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
270 local quotes requested

Cleaning and clearing, inspection, and repairs! Zoom Drain is a full service provider of residential & commercial drain cleaning and inspection. We’re best known for fast response times and our ability to provide focused solutions to drain & sewer problems. From sinks, toilets, and tubs to main drains, roof drains, storm drains, and anything else that carries water, we’ve got you covered. We also offer grease trap cleaning services and planned preventative maintenance.

"They did get the job done. Problem was 2 weeks ago it was clogged with "flushable" wipes and yesterday another wad of wipes. I literally stopped using them before ever calling the plumbers realizing they were the issue. He fixed the clog free this time but insinuated the idea that it was my fault. Unless they got stuck in the pipes on the way to the basement not my fault for the second time. Unsure about hiring again."

Joseph C on October 2024

Cleaning and clearing, inspection, and repairs! Zoom Drain is a full service provider of residential & commercial drain cleaning and inspection. We’re best known for fast response times and our ability to provide focused solutions to drain & sewer problems. From sinks, toilets, and tubs to main drains, roof drains, storm drains, and anything else that carries water, we’ve got you covered. We also offer grease trap cleaning services and planned preventative maintenance.

"They did get the job done. Problem was 2 weeks ago it was clogged with "flushable" wipes and yesterday another wad of wipes. I literally stopped using them before ever calling the plumbers realizing they were the issue. He fixed the clog free this time but insinuated the idea that it was my fault. Unless they got stuck in the pipes on the way to the basement not my fault for the second time. Unsure about hiring again."

Joseph C on October 2024


Avatar for Reduts Contracting
Reduts Contracting
210 Park Charles Blvd N
5.00(
24
)
Approved Pro
Reduts Contracting
210 Park Charles Blvd N
5.00(
24
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
211 local quotes requested

Remodeling - Basements, Baths and Kitchens Bonded and insured with 30 years of experience, 10 private and five with a Union(Journeyman Level). I started my own Christian based business 15 years ago and work with all homeowners directly. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today. Secondary location: 210 Park Charles Blvd. North St. Peters MO 63376

"We have hired him to do our project. He is honest and always guiding us as to what we should do next. He gave us various options and helped us find the option which works best for us. I would recommend him anytime."

Kamala P on October 2024

Remodeling - Basements, Baths and Kitchens Bonded and insured with 30 years of experience, 10 private and five with a Union(Journeyman Level). I started my own Christian based business 15 years ago and work with all homeowners directly. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today. Secondary location: 210 Park Charles Blvd. North St. Peters MO 63376

"We have hired him to do our project. He is honest and always guiding us as to what we should do next. He gave us various options and helped us find the option which works best for us. I would recommend him anytime."

Kamala P on October 2024

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FAQs for tankless water heater installation projects in Wentzville, MO

Professional flushing services for tankless water heaters run about $200 per visit. This essential maintenance procedure eliminates mineral deposits from critical components, particularly the heat exchanger. While homeowners can purchase DIY flushing kits for $50 to $100, professional service offers the advantage of thorough cleaning with proper techniques. Professional maintenance also includes inspection of additional components that might need attention.

Industry experts and manufacturers recommend annual maintenance for tankless water heaters, with more frequent service (every six months) for homes with challenging water conditions. This regular attention prevents efficiency losses and extends the unit's operational lifespan. Watch for warning signs like reduced water temperature, inconsistent performance, or system error codes that might indicate maintenance is needed sooner than scheduled.

Neglecting regular maintenance allows mineral scale to accumulate within your system, restricting water flow and reducing heating efficiency. This forces your unit to work harder, consuming more energy while delivering less satisfactory performance. Over time, this strain can lead to component failures, inconsistent water temperatures, and premature system replacement. Additionally, most manufacturers require documentation of regular maintenance to honor warranty coverage for major components.

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