Top-rated water heater repair or service pros.

Get matched with top water heater repair or service pros in Caldwell, ID

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 Water heater repair or service pros in Caldwell

Avatar for Blessing Plumbing Service Inc.

Blessing Plumbing Service Inc.

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Blessing Plumbing Service Inc.

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
20 years of experience
Free onsite estimate

We pride ourselves on being the best Plumbing company in the area. We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!

We pride ourselves on being the best Plumbing company in the area. We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!


Avatar for Fast Flo Plumbing

Fast Flo Plumbing

5.00(
4
)
Approved Pro

Fast Flo Plumbing

5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

Fast Flo Plumbing is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. With over a decade of experience, 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.

"Fast Flo Plumbing was very courteous and thorough. I appreciated the upfront cost analysis."

Alice K on April 2019

Fast Flo Plumbing is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. With over a decade of experience, 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.

"Fast Flo Plumbing was very courteous and thorough. I appreciated the upfront cost analysis."

Alice K on April 2019


Avatar for Plumbing Solutions Of Idaho

Plumbing Solutions Of Idaho

4.65(
27
)
Approved Pro

Plumbing Solutions Of Idaho

4.65(
27
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
21 years of experience

Plumbing Solutions of Idaho specializes in fast, effective services that address the unique plumbing needs of your home or business. Serving Boise, Meridian, and the surrounding areas since 2005, we put our extensive training and experience to work for our community, providing all the installations, repairs, and maintenance that our customers need to keep their plumbing running smoothly 24/7. With all-hours emergency services, same-day appointments, free proposals, and competitive pricing, we make it easy to get the help you need on your schedule and within your budget. From pipes and fixtures to water heaters and sewer lines, we’re your one-stop shop for plumbing solutions. Call today to schedule your appointment!

"Boiler system wasn't heating. Called and was able to come out next day. Was able to fix quickly."

Felisha L on November 2023

Plumbing Solutions of Idaho specializes in fast, effective services that address the unique plumbing needs of your home or business. Serving Boise, Meridian, and the surrounding areas since 2005, we put our extensive training and experience to work for our community, providing all the installations, repairs, and maintenance that our customers need to keep their plumbing running smoothly 24/7. With all-hours emergency services, same-day appointments, free proposals, and competitive pricing, we make it easy to get the help you need on your schedule and within your budget. From pipes and fixtures to water heaters and sewer lines, we’re your one-stop shop for plumbing solutions. Call today to schedule your appointment!

"Boiler system wasn't heating. Called and was able to come out next day. Was able to fix quickly."

Felisha L on November 2023


Avatar for Spartan Plumbing, LLC

Spartan Plumbing, LLC

4.96(
95
)
Approved Pro

Spartan Plumbing, LLC

4.96(
95
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
16 local quotes requested

We are extremely passionate about the work that we do. You can depend on us to provide a high quality service at a fair and honest price. We understand that the future of our business depends upon our reputation and that is why customer service is by far our highest priority. If you are looking for a professional you can trust, please call today to schedule a no-obligation estimate!

"Were able to come out in time frame that was best for us. Did great job. Courteous and respectful of property. I would recommend! "

Karen B on May 2025

We are extremely passionate about the work that we do. You can depend on us to provide a high quality service at a fair and honest price. We understand that the future of our business depends upon our reputation and that is why customer service is by far our highest priority. If you are looking for a professional you can trust, please call today to schedule a no-obligation estimate!

"Were able to come out in time frame that was best for us. Did great job. Courteous and respectful of property. I would recommend! "

Karen B on May 2025


Avatar for Top Shelf Heating and Air

Top Shelf Heating and Air

4.92(
50
)
Approved Pro

Top Shelf Heating and Air

4.92(
50
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
82 local quotes requested

Top Shelf Heating and Air is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"This company’s name is appropriately reflected in their competency, integrity, professionalism, and value they provide. My new home’s furnace has been having the same problem for the last two winters, and I have had the builder’s subcontractor, and two other HVAC companies try and fail to resolve condensation issue that prevents the furnace from running. Top-shelf showed up and resolved the issue which turns out to be an installation flaw. Chris took his time explained the issue and the options to repair it."

Brad B on December 2025

Top Shelf Heating and Air is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"This company’s name is appropriately reflected in their competency, integrity, professionalism, and value they provide. My new home’s furnace has been having the same problem for the last two winters, and I have had the builder’s subcontractor, and two other HVAC companies try and fail to resolve condensation issue that prevents the furnace from running. Top-shelf showed up and resolved the issue which turns out to be an installation flaw. Chris took his time explained the issue and the options to repair it."

Brad B on December 2025


Avatar for Z Plumberz of the Treasure Valley

Z Plumberz of the Treasure Valley

5.00(
11
)
Approved Pro

Z Plumberz of the Treasure Valley

5.00(
11
)
Approved Pro
150 local quotes requested
6 years of experience

Here at Z Plumberz of the Treasure Valley, we pride ourselves on our professionalism, as well as our ability to complete every job to the homeowner's total satisfaction. We never leave a job unfinished, or a homeowner not 100% satisfied with our level of service. We handle plumbing work in Nampa and the surrounding areas - Call today!

"This company is AMAZING!!! They worked harder than any other plumbing company I have hired previously to help me with my problematic sewer drain problem. Zach the owner went Above and Beyond what any other company was willing to do. If I could rate them 10 stars, I would."

shasta f on October 2025

Here at Z Plumberz of the Treasure Valley, we pride ourselves on our professionalism, as well as our ability to complete every job to the homeowner's total satisfaction. We never leave a job unfinished, or a homeowner not 100% satisfied with our level of service. We handle plumbing work in Nampa and the surrounding areas - Call today!

"This company is AMAZING!!! They worked harder than any other plumbing company I have hired previously to help me with my problematic sewer drain problem. Zach the owner went Above and Beyond what any other company was willing to do. If I could rate them 10 stars, I would."

shasta f on October 2025


Avatar for DIAMOND HEATING & COOLING

DIAMOND HEATING & COOLING

4.90(
142
)
Approved Pro

DIAMOND HEATING & COOLING

4.90(
142
)
Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
21 local quotes requested

We have a low $79 diagnostic fee, 24/7 service with NO after hour fees for Silver Club Members. We are now offering full service electrical and plumbing in addition to our HVAC services! We provide service, maintenance and replacement on all makes and models of furnaces and air conditioners. We have wonderful Indoor Air Quality products which can help with Asthma, Allergies or even Mold. Hard work, ambition, safety, honesty and the desire to be a superior presence in a demanding business have won our reputation of quality and dependability placing us as "Your Home's Best Friend". Our company was founded on the premise that quality principles and attention to detail should be unwavering standards. Experience the Diamond Difference today!

"Victor did a very thorough job. Replaced a capacitor and checked out everything."

Michael P on December 2025

We have a low $79 diagnostic fee, 24/7 service with NO after hour fees for Silver Club Members. We are now offering full service electrical and plumbing in addition to our HVAC services! We provide service, maintenance and replacement on all makes and models of furnaces and air conditioners. We have wonderful Indoor Air Quality products which can help with Asthma, Allergies or even Mold. Hard work, ambition, safety, honesty and the desire to be a superior presence in a demanding business have won our reputation of quality and dependability placing us as "Your Home's Best Friend". Our company was founded on the premise that quality principles and attention to detail should be unwavering standards. Experience the Diamond Difference today!

"Victor did a very thorough job. Replaced a capacitor and checked out everything."

Michael P on December 2025


Avatar for Fix It Frankie A/C and Heating

Fix It Frankie A/C and Heating

4.82(
11
)
Approved Pro

Fix It Frankie A/C and Heating

4.82(
11
)
Approved Pro
Super Service Award
58 local quotes requested
1 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!

"He did a great jop, with a very reasonable price. He saved my ####."

Dennis O on December 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! Call Today!

"He did a great jop, with a very reasonable price. He saved my ####."

Dennis O on December 2025


Avatar for Ultimate Heating, Air & Plumbing

Ultimate Heating, Air & Plumbing

5.00(
6
)
Approved Pro

Ultimate Heating, Air & Plumbing

5.00(
6
)
Approved Pro
231 local quotes requested
26 years of experience

Ultimate Heating and Air Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

"Our vents and furnace had not been cleaned in the past 25 years by the previous 3 owners. Now it looks great, there were huge chunks of build up. It's so much cleaner now."

Matthew B on December 2025

Ultimate Heating and Air Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

"Our vents and furnace had not been cleaned in the past 25 years by the previous 3 owners. Now it looks great, there were huge chunks of build up. It's so much cleaner now."

Matthew B on December 2025


Avatar for Pristine Plumbing and Construction

Pristine Plumbing and Construction

4.74(
31
)
Approved Pro

Pristine Plumbing and Construction

4.74(
31
)
Approved Pro
Customers say: Quick response
5 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!

"I was stressed, not knowing who call, when it was discovered that I had a utility line that was leaking. Pristine plumbers Kyle and Travis worked with efficiency and speed. By the end of the day, I had running water. They were willing to work with my home insurance to process the paperwork for payment. Give them a call!"

Maria G on October 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!

"I was stressed, not knowing who call, when it was discovered that I had a utility line that was leaking. Pristine plumbers Kyle and Travis worked with efficiency and speed. By the end of the day, I had running water. They were willing to work with my home insurance to process the paperwork for payment. Give them a call!"

Maria G on October 2025

...
Showing 1-10 of 566
FAQs for water heater repair or service projects in Caldwell, ID

Warning signs include fluctuating water temperatures, a pilot light that repeatedly goes out, unusual noises from the tank, or complete heating failure. You might also detect a rotten egg smell, indicating a potential gas leak, or notice water that never reaches the proper temperature. If your water heater is over eight years old and displaying these symptoms, the gas valve is a likely culprit. Professional inspection is recommended, especially if gas odors are present.

Water heater gas valves are not universally interchangeable. Each valve must match your specific water heater's make, model, and specifications. Important compatibility factors include gas type (natural gas vs. propane), BTU rating, connection types, and physical dimensions. Using an incorrect valve can result in poor performance, premature failure, or dangerous gas leaks. Always consult your water heater's documentation or a professional plumber to identify the appropriate replacement valve for your unit.

The Caldwell, ID homeowners’ guide to water heater repair or services

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