Top-rated tankless water heater repair pros.

Get matched with top tankless water heater repair pros in Oswego, IL

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 repair pros in Oswego

Benjamin Franklin Plumbing

4.55(
418
)
Approved Pro

Benjamin Franklin Plumbing

4.55(
418
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
12 local quotes requested

Welcome to Benjamin Franklin Plumbing, home of The Punctual Plumber. Specializing in plumbing repairs, maintenance, and installation jobs, our goal is to provide you with prompt, friendly, dependable service for all of your plumbing needs. When you need plumbing service, you can depend on the experts at Benjamin Franklin Plumbing. We serve customers throughout the Fox Valley, and people stay with us because they know we'll deliver top-quality service every time. If you're having a problem with your plumbing, you need it solved as quickly as possible. Waiting for service can be frustrating, and the professionals at Benjamin Franklin Plumbing know this. That's why we offer fast and reliable service, and we arrive at the agreed upon time. We'll get to the root of the problem and make sure that everything is working smoothly again so you can get back to living comfortably. Call us today!

" Jim knew exactly what needed to be done as I had this occur the year previous. He was very thorough very professional and gave me tips on how to help keep my drains, cleaned monthly to help prevent further blockages."

Jerry D on October 2025

Welcome to Benjamin Franklin Plumbing, home of The Punctual Plumber. Specializing in plumbing repairs, maintenance, and installation jobs, our goal is to provide you with prompt, friendly, dependable service for all of your plumbing needs. When you need plumbing service, you can depend on the experts at Benjamin Franklin Plumbing. We serve customers throughout the Fox Valley, and people stay with us because they know we'll deliver top-quality service every time. If you're having a problem with your plumbing, you need it solved as quickly as possible. Waiting for service can be frustrating, and the professionals at Benjamin Franklin Plumbing know this. That's why we offer fast and reliable service, and we arrive at the agreed upon time. We'll get to the root of the problem and make sure that everything is working smoothly again so you can get back to living comfortably. Call us today!

" Jim knew exactly what needed to be done as I had this occur the year previous. He was very thorough very professional and gave me tips on how to help keep my drains, cleaned monthly to help prevent further blockages."

Jerry D on October 2025


Avatar for ARS / Rescue Rooter Chicago

ARS / Rescue Rooter Chicago

4.68(
97
)
Approved Pro

ARS / Rescue Rooter Chicago

4.68(
97
)
Approved Pro
Customers say: True professional
299 local quotes requested
104 years of experience

ARS®/Rescue Rooter® Chicago was founded with the goal of providing the highest quality air conditioning, heating, insulation, and plumbing services to our customers. We understand that when it comes to the HVAC and plumbing systems in your home, you need to find a team that is trustworthy, experienced, and able to quickly diagnose and resolve your issues. Our company offers a dependable 24/7 emergency service that is designed to meet your needs, whenever they may arise.

"Everything was fine "

Gregory H on December 2025

ARS®/Rescue Rooter® Chicago was founded with the goal of providing the highest quality air conditioning, heating, insulation, and plumbing services to our customers. We understand that when it comes to the HVAC and plumbing systems in your home, you need to find a team that is trustworthy, experienced, and able to quickly diagnose and resolve your issues. Our company offers a dependable 24/7 emergency service that is designed to meet your needs, whenever they may arise.

"Everything was fine "

Gregory H on December 2025


"Service was prompt, professional and well done."

Mark B on January 2024

24 hour service flat rate pricing on repairs 2 year warranty(repairs) installations(10 yr parts and labor warranty)

"Service was prompt, professional and well done."

Mark B on January 2024


Avatar for Copper Sky Plumbing

Copper Sky Plumbing

4.97(
37
)
Approved Pro

Copper Sky Plumbing

4.97(
37
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
14 local quotes requested

Family owned and operated. Owner, David Torres is a registered Master Plumber. Licensed, Bonded & Insured. 20 years of experience. Don't get flooded by plumbing problems! We can fix it. *FREE PLUMBING INSPECTION INCLUDED WITH ANY SERVICE*~ Just mention this ad! Copper Sky Plumbing addresses each job with attention to detail and excellent customer service. You can be confident in a company that is honest and fair with the experience to get the job done right the first time. Accepting cash, check or PayPal.

"We had our water softener replaced and it went so smoothly. David and his son did great work and were very flexible with our schedule!"

Matthew C on November 2025

Family owned and operated. Owner, David Torres is a registered Master Plumber. Licensed, Bonded & Insured. 20 years of experience. Don't get flooded by plumbing problems! We can fix it. *FREE PLUMBING INSPECTION INCLUDED WITH ANY SERVICE*~ Just mention this ad! Copper Sky Plumbing addresses each job with attention to detail and excellent customer service. You can be confident in a company that is honest and fair with the experience to get the job done right the first time. Accepting cash, check or PayPal.

"We had our water softener replaced and it went so smoothly. David and his son did great work and were very flexible with our schedule!"

Matthew C on November 2025


Avatar for BSC

BSC

4.95(
19
)
Approved Pro

BSC

4.95(
19
)
Approved Pro
Customers say: Quick response
8 years of experience
Free onsite estimate

General Contracting: BSC offers comprehensive solutions for all your home improvement needs. Our experienced team, including a seasoned interior designer, is dedicated to delivering high-quality remodeling and drain cleaning services. We emphasize meticulous attention to detail and cost-saving strategies, ensuring that every project, regardless of size, is handled with the utmost care. Trust BSC to maintain the sanctity of your home with our expert drain cleaning and maintenance services, so you can enjoy peace of mind.

"Made sure to provide honest input and save me money by not taking advantage of lack of knowledge as a new homeowner. Juan came out and was extremely polite, professional, mindful of our home with protective covering on his shoes and assessing items quickly and efficiently. Would highly recommend recommend this company and I rarely write reviews. Sometimes your experience is so good you have to share. "

Timothy M on November 2025

General Contracting: BSC offers comprehensive solutions for all your home improvement needs. Our experienced team, including a seasoned interior designer, is dedicated to delivering high-quality remodeling and drain cleaning services. We emphasize meticulous attention to detail and cost-saving strategies, ensuring that every project, regardless of size, is handled with the utmost care. Trust BSC to maintain the sanctity of your home with our expert drain cleaning and maintenance services, so you can enjoy peace of mind.

"Made sure to provide honest input and save me money by not taking advantage of lack of knowledge as a new homeowner. Juan came out and was extremely polite, professional, mindful of our home with protective covering on his shoes and assessing items quickly and efficiently. Would highly recommend recommend this company and I rarely write reviews. Sometimes your experience is so good you have to share. "

Timothy M on November 2025


Avatar for Four Seasons Heating & Air Conditioning

Four Seasons Heating & Air Conditioning

4.54(
2,828
)
Approved Pro

Four Seasons Heating & Air Conditioning

4.54(
2,828
)
Approved Pro
Customers say: Super punctual
301 local quotes requested
55 years of experience

Four Seasons Heating, Air Conditioning, and Plumbing began as a father-son business operating out of a Chicago garage in 1971. They went from home to home repairing furnaces and air conditioners with the goal of offering their customers honest and competent service. No extra charge for 24 hr emergency service. Additional contacts: Chicago 773-413-1505 & 773-413-1028, South suburbs 708-406-3002, Southwest suburbs 815-306-2471, West suburbs 630-210-3352, North & Northwest 847-201-3222 , Northwest Indiana 219-228-8606, and (866) 444-2404. Additional emails - cs@fourseasons-chicago.com, customer.service@fourseasons-chicago.com, fs@fourseasons-chicago.com. Additional fax numbers- 773-284-9484, 847-783-0400. Additional contact names - David Musial. Additional DBAs - Four Seasons Heating, Air Conditioning and Plumbing, Four Seasons Heating & Air Conditioning, Inc., Four Seasons Heating & Air.

"Contacted Four Seasons to rod my sewer drain. They came out and stated that they would need to come back the next day with the rod and camera water jet to see what is clogging the line. In order to lock in the amount of almost $1500 and the time of 8am-1pm, I will need to make a down payment of half. I did half. The next day a guy from the company came with only the rod.and when I questioned him about the camera, he ignored me and continued his conversations via phone with others. Later he tells me after I asked again about the camera that I owed the other half $750. I did not pay and informed him that I didn?t get the services that I had made a deposit for in the beginning. He then started that the guys are busy and will be out on Monday 1/12/2026. He stated he went 55ft with rodding. No one came on 1/12/2026. On 1/12/2026 and 1/13/2026 I spoke to 3 managers and a supervisor?Brian, Jenny, and another person who didn?t know Jenny or Bryan and I was told that the rodding was $740 and"

Bonnie J on January 2026

Four Seasons Heating, Air Conditioning, and Plumbing began as a father-son business operating out of a Chicago garage in 1971. They went from home to home repairing furnaces and air conditioners with the goal of offering their customers honest and competent service. No extra charge for 24 hr emergency service. Additional contacts: Chicago 773-413-1505 & 773-413-1028, South suburbs 708-406-3002, Southwest suburbs 815-306-2471, West suburbs 630-210-3352, North & Northwest 847-201-3222 , Northwest Indiana 219-228-8606, and (866) 444-2404. Additional emails - cs@fourseasons-chicago.com, customer.service@fourseasons-chicago.com, fs@fourseasons-chicago.com. Additional fax numbers- 773-284-9484, 847-783-0400. Additional contact names - David Musial. Additional DBAs - Four Seasons Heating, Air Conditioning and Plumbing, Four Seasons Heating & Air Conditioning, Inc., Four Seasons Heating & Air.

"Contacted Four Seasons to rod my sewer drain. They came out and stated that they would need to come back the next day with the rod and camera water jet to see what is clogging the line. In order to lock in the amount of almost $1500 and the time of 8am-1pm, I will need to make a down payment of half. I did half. The next day a guy from the company came with only the rod.and when I questioned him about the camera, he ignored me and continued his conversations via phone with others. Later he tells me after I asked again about the camera that I owed the other half $750. I did not pay and informed him that I didn?t get the services that I had made a deposit for in the beginning. He then started that the guys are busy and will be out on Monday 1/12/2026. He stated he went 55ft with rodding. No one came on 1/12/2026. On 1/12/2026 and 1/13/2026 I spoke to 3 managers and a supervisor?Brian, Jenny, and another person who didn?t know Jenny or Bryan and I was told that the rodding was $740 and"

Bonnie J on January 2026


Avatar for Roto-Rooter Plumbing & Water Cleanup

Roto-Rooter Plumbing & Water Cleanup

3.99(
561
)
Approved Pro

Roto-Rooter Plumbing & Water Cleanup

3.99(
561
)
Approved Pro
Customers say: Quick response
141 local quotes requested
91 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 had to come two extra times to fix the work that was done."

Jamal J on April 2025

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 had to come two extra times to fix the work that was done."

Jamal J on April 2025


Avatar for DLA Sewer & Drain

DLA Sewer & Drain

5.00(
16
)
Approved Pro

DLA Sewer & Drain

5.00(
16
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
Emergency services offered

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 an estimate today!

"Quick response and job completion! Great work and a good price!"

Kelsey S on September 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 an estimate today!

"Quick response and job completion! Great work and a good price!"

Kelsey S on September 2024


Dr. Drain Surgeon Inc.

2.00(
1
)

Dr. Drain Surgeon Inc.

2.00(
1
)
Customers say: Quality work
17 years of experience

Dr. Drain Surgeon Inc. is a complete Plumbing and Drain Cleaning company. We invest in our technicians by providing top tier training to ensure that your problem will be fixed right the first time with up front pricing. With our state of the art equipment, and knowledge in the business, Dr. Drain Surgeon Inc. will provide complete soloution to ensure the problem will be solved at the time of service, not only will your drain problems be solved quickly and effectively it will save you time, and you money in the future!

Dr. Drain Surgeon Inc. is a complete Plumbing and Drain Cleaning company. We invest in our technicians by providing top tier training to ensure that your problem will be fixed right the first time with up front pricing. With our state of the art equipment, and knowledge in the business, Dr. Drain Surgeon Inc. will provide complete soloution to ensure the problem will be solved at the time of service, not only will your drain problems be solved quickly and effectively it will save you time, and you money in the future!


Marshfield Home Improvements Inc.

5.00(
1
)

Marshfield Home Improvements Inc.

5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We do work Insurance restoration, renovation. We specialize in Kitchens, Bathrooms, Decks, and Basements. Let's discuss how we can help you on your next project.

We do work Insurance restoration, renovation. We specialize in Kitchens, Bathrooms, Decks, and Basements. Let's discuss how we can help you on your next project.

...
Showing 1-10 of 1012