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Find Water heater repair or service pros in Caldwell

Avatar for JRS Plumbing

JRS Plumbing

4.95(
40
)
Approved Pro

JRS Plumbing

4.95(
40
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
14 years of experience

JRS Plumbing was established in October of 2012. However, owner Jim has been working in the plumbing industry since 1996. He has been a journeyman plumber since 2000, specializing in plumbing for custom home construction jobs, remodels and small commercial jobs. He is familiar with all aspects of the plumbing trade and has worked in a supply house and as a commercial estimator. With almost 20 years experience, Jim is your top plumber in Treasure Valley! With service throughout the entire Treasure Valley including Boise, Garden City, Nampa, Caldwell, Star, Eagle, Emmett, Kuna, and Meridian - we will be there to help you with your plumbing concerns. Additional phone: 208-231-1780

"I was impressed with the detail and options were explained and I was able to select what I wanted to have done. The work included going under the house. Glad he did it and not me. Will use him again at home and at my duplex should the need arise. Excellent service. "

LYNN C on December 2025

JRS Plumbing was established in October of 2012. However, owner Jim has been working in the plumbing industry since 1996. He has been a journeyman plumber since 2000, specializing in plumbing for custom home construction jobs, remodels and small commercial jobs. He is familiar with all aspects of the plumbing trade and has worked in a supply house and as a commercial estimator. With almost 20 years experience, Jim is your top plumber in Treasure Valley! With service throughout the entire Treasure Valley including Boise, Garden City, Nampa, Caldwell, Star, Eagle, Emmett, Kuna, and Meridian - we will be there to help you with your plumbing concerns. Additional phone: 208-231-1780

"I was impressed with the detail and options were explained and I was able to select what I wanted to have done. The work included going under the house. Glad he did it and not me. Will use him again at home and at my duplex should the need arise. Excellent service. "

LYNN C on December 2025


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 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
69 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 Apple Plumbing and Remodeling

Apple Plumbing and Remodeling

4.78(
84
)
Approved Pro

Apple Plumbing and Remodeling

4.78(
84
)
Approved Pro
Customers say: True professional
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
152 local quotes requested

Apple Plumbing and Bath has successfully been completing plumbing service and bathroom remodel projects for residential and business customers for over ten years. 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!

"They did a great job and were promptly on time and quick to complete everything very professionally."

Freddy R on January 2024

Apple Plumbing and Bath has successfully been completing plumbing service and bathroom remodel projects for residential and business customers for over ten years. 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!

"They did a great job and were promptly on time and quick to complete everything very professionally."

Freddy R on January 2024


Avatar for 1800-Plumber+Air of Meridian

1800-Plumber+Air of Meridian

5.00(
10
)
Approved Pro

1800-Plumber+Air of Meridian

5.00(
10
)
Approved Pro
Customers say: Quick response
78 local quotes requested
3 years of experience

At 1-800 Plumber +Air of Meridian, we're not just good—we're the BEST! Our mission isn’t about being better than the competition; it’s about delivering fast, reliable plumbing and HVAC emergency services when you need them most. With 87 Google reviews and a 4.9-star rating, our customers say it BEST—we’re here to give you an unbeatable service experience!

"The estimate for the job was too good to let go. Very fast installation of new water heater system and PRV. The technician was very knowledgeable and I will recommend and use them moving forward. "

William W on November 2025

At 1-800 Plumber +Air of Meridian, we're not just good—we're the BEST! Our mission isn’t about being better than the competition; it’s about delivering fast, reliable plumbing and HVAC emergency services when you need them most. With 87 Google reviews and a 4.9-star rating, our customers say it BEST—we’re here to give you an unbeatable service experience!

"The estimate for the job was too good to let go. Very fast installation of new water heater system and PRV. The technician was very knowledgeable and I will recommend and use them moving forward. "

William W on November 2025


Avatar for Z Plumberz of the Treasure Valley

Z Plumberz of the Treasure Valley

5.00(
12
)
Approved Pro

Z Plumberz of the Treasure Valley

5.00(
12
)
Approved Pro
153 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!

"They were quick, reasonable in price, and they did what they said."

KAREN Z on January 2026

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!

"They were quick, reasonable in price, and they did what they said."

KAREN Z on January 2026


Avatar for Foul Weather Heating and Cooling

Foul Weather Heating and Cooling

4.74(
27
)
Approved Pro

Foul Weather Heating and Cooling

4.74(
27
)
Approved Pro
Customers say: True professional
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
18 local quotes requested

We are a locally Veteran owned and operated company. We value honesty and integrity in all aspects of our business. We offer a variety of home improvement services that are customized to each individual project. We pride ourselves on the quality of our work, as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients!

"Gave a second opinion. Glad I got it. Saved me $3,000. Straight shooter. Excellent job and amazing follow up."

Tammara T on April 2025

We are a locally Veteran owned and operated company. We value honesty and integrity in all aspects of our business. We offer a variety of home improvement services that are customized to each individual project. We pride ourselves on the quality of our work, as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients!

"Gave a second opinion. Glad I got it. Saved me $3,000. Straight shooter. Excellent job and amazing follow up."

Tammara T on April 2025


Avatar for DIAMOND HEATING & COOLING

DIAMOND HEATING & COOLING

4.90(
142
)
Approved Pro

DIAMOND HEATING & COOLING

4.90(
142
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
10 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 Ultimate Heating, Air & Plumbing

Ultimate Heating, Air & Plumbing

5.00(
6
)
Approved Pro

Ultimate Heating, Air & Plumbing

5.00(
6
)
Approved Pro
201 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 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
74 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

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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.