Top-rated tankless water heater installers.

Get matched with top tankless water heater installers in Oakville, CT

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 Oakville

Avatar for E and R Mechanical

E and R Mechanical

4.73(
241
)
Approved Pro

E and R Mechanical

4.73(
241
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
32 local quotes requested

We pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects, no matter how big, or small. We are experts in our trade, and will always keep you educated on your particular task or project. We look forward to earning your business.

"Installed a new Rheem gas water heater right away. Great price. Quick -efficient service. I will be using them for a new boiler in a few months thank you!"

Renee D on August 2025

We pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects, no matter how big, or small. We are experts in our trade, and will always keep you educated on your particular task or project. We look forward to earning your business.

"Installed a new Rheem gas water heater right away. Great price. Quick -efficient service. I will be using them for a new boiler in a few months thank you!"

Renee D on August 2025


Avatar for Precise HVAC Home Services

Precise HVAC Home Services

4.94(
25
)
Approved Pro

Precise HVAC Home Services

4.94(
25
)
Approved Pro
Super Service Award
Customers say: True professional
275 local quotes requested
18 years of experience

We take great pride in offering the best possible experience with our expertise, quality, and customer service. In order to understand the needs and expectations of our clients, we make every effort to work and communicate with everyone in a professional manner. It is our mission to exceed our clients expectations by providing excellent workmanship and complete customer satisfaction, from the start of each project to its completion. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Technician was very professional took his time to explain everything i needed to know."

Emmanuel A on January 2026

We take great pride in offering the best possible experience with our expertise, quality, and customer service. In order to understand the needs and expectations of our clients, we make every effort to work and communicate with everyone in a professional manner. It is our mission to exceed our clients expectations by providing excellent workmanship and complete customer satisfaction, from the start of each project to its completion. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Technician was very professional took his time to explain everything i needed to know."

Emmanuel A on January 2026


Avatar for HARP Home Services, LLC

HARP Home Services, LLC

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

HARP Home Services, LLC

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
86 local quotes requested
37 years of experience

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! Feel free to book online with us today!

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! Feel free to book online with us today!


Avatar for Plymouth Plumbing, LLC

Plymouth Plumbing, LLC

5.00(
7
)
Approved Pro

Plymouth Plumbing, LLC

5.00(
7
)
Approved Pro
2 years of experience
Free onsite estimate

Plymouth 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. We have 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.

"James is fantastic!"

Alan S on August 2025

Plymouth 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. We have 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.

"James is fantastic!"

Alan S on August 2025


Premium Northeast Plumbing LLC

4.88(
4
)
Approved Pro

Premium Northeast Plumbing LLC

4.88(
4
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

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! Call Today!

"I wasn’t very happy with the price and the did the job the next day"

Michael T on March 2024

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! Call Today!

"I wasn’t very happy with the price and the did the job the next day"

Michael T on March 2024


"Excellent, was able to work independently without owner presence. Did a great job and was communicative by text and video."

Chirag B on July 2024

Local owner-operated business specializing in plumbing and heating. Owner has been in the plumbing field for 20 years. We pride ourselves in good communication, competitive pricing and professional service from start to finish.

"Excellent, was able to work independently without owner presence. Did a great job and was communicative by text and video."

Chirag B on July 2024


All County Home Improvements

No reviews yet

All County Home Improvements

No reviews yet
31 years of experience

we have all licenced subcontractors for plumbing and electrical

we have all licenced subcontractors for plumbing and electrical


A Advantage Appliance Repair Inc.

4.50(
36
)

A Advantage Appliance Repair Inc.

4.50(
36
)
Customers say: Super punctual
27 years of experience

Advantage appliance has been servicing appliances since 1989. we are factory trained and provide white glove service. we treat you and your home as if it were our home. We can diagnose most problems within 15 min due to our training and experience. "our service is your advantage". Hours of operations are 8am-6pm Monday-Friday. with a one year part warranty. Award winning.

"The internal temp of my stove was not working properly., but at least it still worked.They removed the Electronic board which left me with a non working oven and didn’t even tell me. I have worked with this company for years. The person they sent out was always pleasant and professional. BUT now they were beyond rude. And I still don’t have a working stove!"

Jean Marie W on October 2020

Advantage appliance has been servicing appliances since 1989. we are factory trained and provide white glove service. we treat you and your home as if it were our home. We can diagnose most problems within 15 min due to our training and experience. "our service is your advantage". Hours of operations are 8am-6pm Monday-Friday. with a one year part warranty. Award winning.

"The internal temp of my stove was not working properly., but at least it still worked.They removed the Electronic board which left me with a non working oven and didn’t even tell me. I have worked with this company for years. The person they sent out was always pleasant and professional. BUT now they were beyond rude. And I still don’t have a working stove!"

Jean Marie W on October 2020


Avatar for Loja's construction llc

Loja's construction llc

No reviews yet

Loja's construction llc

No reviews yet

Sidewalks patios concrete remodeling drains driveway and more

Sidewalks patios concrete remodeling drains driveway and more


Vision Kitchens

5.00(
1
)

Vision Kitchens

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

none

none

...
Showing 1-10 of 375

The Oakville, CT homeowners’ guide to tankless water heater installations

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