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Top 10 tankless water heater installation services in Diamond Bar, CA

Porch Pro Headshot Option One Plumbing

Option One Plumbing

Tankless Water Heater Installation
Serves Diamond Bar, California
(3,520)
"Adam was great. He showed up on time and went above and beyond what any other plumber would do. Best of all, he was able to finally fix my water hammer!! I'd already had 2 other plumbers out to my house to try and fix it and didn't. Thank you again Adam and Option One Plumbing."
"Adam was great. He showed up on time and went above and beyond what any other plumber would do. Best of all, he was able to finally fix my water hammer!! I'd already had 2 other plumbers out to my house to try and fix it and didn't. Thank you again Adam and Option One Plumbing."
Porch Pro Headshot Magnolia Heating and Cooling

Magnolia Heating and Cooling

Tankless Water Heater Installation
Serves Diamond Bar, California
(1,723)
We are a family owned and operated business serving the Inland Empire area since 1951. Big enough to offer competitive pricing and services, small enough to put customer satisfaction as our No. 1 priority. NO FALSE PROMISES. We're just a neighborhood business asking for the opportunity to show the...Read more about Magnolia Heating and Cooling
We are a family owned and operated business serving the Inland Empire area since 1951. Big enough to offer competitive pricing and services, small enough to put customer satisfaction as our No. 1 priority. NO FALSE PROMISES. We're just a neighborhood business asking for the opportunity to show the...Read more about Magnolia Heating and Cooling
Porch Pro Headshot Design Air, Inc.

Design Air, Inc.

Tankless Water Heater Installation
Serves Diamond Bar, California
(197)
We are a family owned and operated Air Conditioning and Heating repair and installation service company. We provide quality work at affordable prices. We have been servicing the Inland Empire for 14 years now and have experience in the business for over 30+years. We provide service to both residenti...Read more about Design Air, Inc.
We are a family owned and operated Air Conditioning and Heating repair and installation service company. We provide quality work at affordable prices. We have been servicing the Inland Empire for 14 years now and have experience in the business for over 30+years. We provide service to both residenti...Read more about Design Air, Inc.
Porch Pro Headshot CWP Heating & Air, Inc.

CWP Heating & Air, Inc.

Tankless Water Heater Installation
Serves Diamond Bar, California
(159)
C.W.P. Heating and Air's number one goal is to supply local residents and businesses with the highest quality HVAC service available. Whether it be a simple furnace repair, or a large A/C installation, our staff and technicians are trained to meet and exceed your expectations. Because we value custo...Read more about CWP Heating & Air, Inc.
C.W.P. Heating and Air's number one goal is to supply local residents and businesses with the highest quality HVAC service available. Whether it be a simple furnace repair, or a large A/C installation, our staff and technicians are trained to meet and exceed your expectations. Because we value custo...Read more about CWP Heating & Air, Inc.
Porch Pro Headshot Castle Plumbing

Castle Plumbing

Tankless Water Heater Installation
Serves Diamond Bar, California
Free Estimates, No Travel Charges Flat Rate Pricing, All Work Guaranteed State Certified Journeymen Plumbers.
Free Estimates, No Travel Charges Flat Rate Pricing, All Work Guaranteed State Certified Journeymen Plumbers.
Porch Pro Headshot Routhier Plumbing Inc.

Routhier Plumbing Inc.

Tankless Water Heater Installation
Serves Diamond Bar, California
(17)
"Excellent & Trustworthy! On memorial day this year I came downstairs to a flooded kitchen. Tom saved my new fridge and stove from getting damaged by locating a valve leak and fixing it on the spot. And, for a very reasonable price. I've had him back several times to install faucets and shower ...Read more about Routhier Plumbing Inc.
"Excellent & Trustworthy! On memorial day this year I came downstairs to a flooded kitchen. Tom saved my new fridge and stove from getting damaged by locating a valve leak and fixing it on the spot. And, for a very reasonable price. I've had him back several times to install faucets and shower ...Read more about Routhier Plumbing Inc.
Porch Pro Headshot Sturges Heating and Air Conditioning

Sturges Heating and Air Conditioning

Tankless Water Heater Installation
Serves Diamond Bar, California
(68)
When it comes to indoor comfort, you need the right air conditioning and heating systems to fit your home or building size and budget. Our HVAC solutions are built with a variety of the best products and superior services. From designing, selecting, and installing an HVAC system, air conditioner, or...Read more about Sturges Heating and Air Conditioning
When it comes to indoor comfort, you need the right air conditioning and heating systems to fit your home or building size and budget. Our HVAC solutions are built with a variety of the best products and superior services. From designing, selecting, and installing an HVAC system, air conditioner, or...Read more about Sturges Heating and Air Conditioning
Porch Pro Headshot 1st Choice Plumbing and Renovation

1st Choice Plumbing and Renovation

Tankless Water Heater Installation
Serves Diamond Bar, California
(56)
We are a full-service plumbing company providing Orange County residents with high-quality, competitively priced services.
We are a full-service plumbing company providing Orange County residents with high-quality, competitively priced services.
Porch Pro Headshot A.C.R Contracting & Handyman Services

A.C.R Contracting & Handyman Services

Tankless Water Heater Installation
Serves Diamond Bar, California
(16)
We are a multifaceted service company. We provide: General construction, kitchen, bathroom remodels. Door, window installations. Remove walls or install new walls. Plumbing, electrical, drywall, stucco, tile or wood flooring, & framing. We pride our selves on providing fast dependable and quality w...Read more about A.C.R Contracting & Handyman Services
We are a multifaceted service company. We provide: General construction, kitchen, bathroom remodels. Door, window installations. Remove walls or install new walls. Plumbing, electrical, drywall, stucco, tile or wood flooring, & framing. We pride our selves on providing fast dependable and quality w...Read more about A.C.R Contracting & Handyman Services
Porch Pro Headshot Ol' Bock's Custom Plumbing

Ol' Bock's Custom Plumbing

Tankless Water Heater Installation
Serves Diamond Bar, California
For unmatched precision and unbeatable quality, Ol' Bock's Custom is the go to plumber for a wide range of plumbing services. Large or small, simple or complex, we have the tools and know how to get the job done. We boast the cleanest, most functional and long-lasting products and services among any...Read more about Ol' Bock's Custom Plumbing
For unmatched precision and unbeatable quality, Ol' Bock's Custom is the go to plumber for a wide range of plumbing services. Large or small, simple or complex, we have the tools and know how to get the job done. We boast the cleanest, most functional and long-lasting products and services among any...Read more about Ol' Bock's Custom Plumbing

Costs to Install a Tankless Hot Water Heater

$2154 - $2482
Diamond Bar, CA average
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While $2154 - $2482 represents average costs for Diamond Bar, use the cost guide to determine prices near you.
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Top questions to ask before hiring a tankless water heater installer

A professional will assist you with scope and estimates, but having a clear idea of what you want to accomplish will help communication.

Do you want professionals to do everything, or do you have the time and skill to do some of the work?

Many projects such as have a DIY component, such as painting or cleanup.

First and foremost, protect yourself and make sure the contractor and any sub-contractors are licensed, bonded and insured.

Recent reviews for Diamond Bar tankless water heater installation services

80655

They are the BEST!

- Brenda Smith
111814

Great attitude and punctual. Thanks John!

- Travis Mcgregor
80654

They are the best!

- Brenda Smith
116740

Your plumber replaces the main water line and they did a very professional job. Brain and Travis, I can’t remember the other young man. There are not eunuch words To professional there were.

- Oliver Hearn
82617

We been having this issue in the back of our mind for over 2 weeks know, and Option One is forcing us to go to the trouble of a lawsuit. Due to their misjudgment in identifying the right solution for a slab leak. (misjudged the leak area, provided soluti...

- Jason Chang
32235

There are not enough good things I can say about Option One Plumbing. I called the company because I had a serious drain problem. Everyone I dealt with was attentive, friendly, and professional, from the woman I spoke with on the phone tomato the appointm...

- Amanda Summers
85541

So the plumber comes to fix a faucet he charges me $150. While working on the faucet he breaks a part of it and then says he now has to charge me $1,200. He starts telling me how he needs to do something right away because when the water turns on i will ...

- chris cazares
74844

1st Choice Plumbing was recommended to me by a family member after I purchased an older home with old outdated plumbing. After my first call I met at my home with Ivan to get an estimate to repipe all hot and cold water pipes. Ivan was very upfront and ho...

- Francisco Montoya
74843

I needed a water filtration system installed and had several plumbers give me a quote. Ivan with 1st Choice Plumbing seemed to be the most competent and they were fairly priced as well. The installation was done in a professional manner. They installed a...

- Jennifer Pierce
74841

Professional, reassuring, honest. This is my experience in using them earlier this week. They were great and relatively inexpensive! I am a new home owner who has never had to deal with this type of situation. I was nervous and basically had no clue ...

- Kathy Wilson

All tankless water heater installation services in Diamond Bar, CA

Porch Pro Headshot Talent Air

Talent Air

Tankless Water Heater Installation
Serves Diamond Bar, California
(13)
We would like to introduce our company, Talent Air is a family owned and operated company, with hopes that we may serve your company's Air Conditioning needs. We are a commercial heating, ventilating, and air conditioning contractor with decades of experience. We pride ourselves on the fact we maint...Read more about Talent Air
We would like to introduce our company, Talent Air is a family owned and operated company, with hopes that we may serve your company's Air Conditioning needs. We are a commercial heating, ventilating, and air conditioning contractor with decades of experience. We pride ourselves on the fact we maint...Read more about Talent Air
Porch Pro Headshot PhD Plumbing

PhD Plumbing

Tankless Water Heater Installation
Serves Diamond Bar, California
(9)
Phone: (909)985-1975 Slogan: We guarantee to fix what ails your plumbing the first time. That means no surprise emergencies after our certified plumbers leave your home or business, just quality repairs done right. Description: We know the value of quality plumbing repairs and have made it our job...Read more about PhD Plumbing
Phone: (909)985-1975 Slogan: We guarantee to fix what ails your plumbing the first time. That means no surprise emergencies after our certified plumbers leave your home or business, just quality repairs done right. Description: We know the value of quality plumbing repairs and have made it our job...Read more about PhD Plumbing
Porch Pro Headshot JBS Heating & Air

JBS Heating & Air

Tankless Water Heater Installation
Serves Diamond Bar, California
Our skilled professionals and NATE certified technicians at JBS Heating and Air are here to serve your residential heating and air conditioning needs and those of our commercial customers in San Bernardino and surrounding communities with a wide range of services. We are available to customers in An...Read more about JBS Heating & Air
Our skilled professionals and NATE certified technicians at JBS Heating and Air are here to serve your residential heating and air conditioning needs and those of our commercial customers in San Bernardino and surrounding communities with a wide range of services. We are available to customers in An...Read more about JBS Heating & Air
Porch Pro Headshot JLR Construction

JLR Construction

Tankless Water Heater Installation
Serves Diamond Bar, California
(2)
Hello my Name is Tristen I created a Cleaning service that provides a great young energetic group that will clean anything you may have for us. We clean office spaces we clean schools we clean churches, houses ,restaurants and everything in-between. We can use all natural products to be safe and ef...Read more about JLR Construction
Hello my Name is Tristen I created a Cleaning service that provides a great young energetic group that will clean anything you may have for us. We clean office spaces we clean schools we clean churches, houses ,restaurants and everything in-between. We can use all natural products to be safe and ef...Read more about JLR Construction
Porch Pro Headshot Prasad Plumbing

Prasad Plumbing

Tankless Water Heater Installation
Serves Diamond Bar, California
Welcome To A. Prasad Plumbing Don't wait for plumbing problems to put you in a tight spot! Call us for all of your needs and trust your plumbing to our certified plumbing team! Whether you're dealing with a simple yet stubbornly clogged drain or need a pipe replacement, we have the tools, skills,...Read more about Prasad Plumbing
Welcome To A. Prasad Plumbing Don't wait for plumbing problems to put you in a tight spot! Call us for all of your needs and trust your plumbing to our certified plumbing team! Whether you're dealing with a simple yet stubbornly clogged drain or need a pipe replacement, we have the tools, skills,...Read more about Prasad Plumbing
Porch Pro Headshot SUPER ROOTER

SUPER ROOTER

Tankless Water Heater Installation
Serves Diamond Bar, California
(7)
"My plumbing Sewer drain had roots in it from in front of my house and Sean from Super Rooter came and did a great job repairing that . He changed my toilet and garbage disposal too. I highly recommend him and Super Rooter."
"My plumbing Sewer drain had roots in it from in front of my house and Sean from Super Rooter came and did a great job repairing that . He changed my toilet and garbage disposal too. I highly recommend him and Super Rooter."
Porch Pro Headshot Code Plus Plumbing, Inc.

Code Plus Plumbing, Inc.

Tankless Water Heater Installation
Serves Diamond Bar, California
Plumbing services in Fullerton California
Plumbing services in Fullerton California
Porch Pro Headshot Right Time Rooter & Plumbing Services, Inc

Right Time Rooter & Plumbing Services, Inc

Tankless Water Heater Installation
Serves Diamond Bar, California
Working in the plumbing industry, for over 25 years, has allowed me to love what I do much more. I have the pleasure of affecting people from all walks of life and various backgrounds; including professionals to stay at home moms and dads and those with limited incomes. I not only complete the plumb...Read more about Right Time Rooter & Plumbing Services, Inc
Working in the plumbing industry, for over 25 years, has allowed me to love what I do much more. I have the pleasure of affecting people from all walks of life and various backgrounds; including professionals to stay at home moms and dads and those with limited incomes. I not only complete the plumb...Read more about Right Time Rooter & Plumbing Services, Inc
Porch Pro Headshot Walnut Garage Door Repair

Walnut Garage Door Repair

Tankless Water Heater Installation
Serves Diamond Bar, California
Walnut Garage Door Repair offers superior garage doors repair & installation services, opener installation & genuine spare parts. We offer sales and repair service for residential and commercial garage doors and electric openers.
Walnut Garage Door Repair offers superior garage doors repair & installation services, opener installation & genuine spare parts. We offer sales and repair service for residential and commercial garage doors and electric openers.
Porch Pro Headshot Steel Plumbing & Drain Experts, Inc.

Steel Plumbing & Drain Experts, Inc.

Tankless Water Heater Installation
Serves Diamond Bar, California
For over a decade, Steel Plumbing & Drain Experts has been providing top-quality plumbing services in Fontana and throughout San Bernardino County. A family owned and operated company, they strive to provide the very best in workmanship and customer care. In fact, they don’t stop at just providing f...Read more about Steel Plumbing & Drain Experts, Inc.
For over a decade, Steel Plumbing & Drain Experts has been providing top-quality plumbing services in Fontana and throughout San Bernardino County. A family owned and operated company, they strive to provide the very best in workmanship and customer care. In fact, they don’t stop at just providing f...Read more about Steel Plumbing & Drain Experts, Inc.
Porch Pro Headshot Calwest Controls Inc

Calwest Controls Inc

Tankless Water Heater Installation
Serves Diamond Bar, California
CalWest Controls is a leading provider of advanced building systems for a wide variety of industries and buildings. We specialize in design, installation and service of energy managerment control systems for HVAC in commercial buildings, colleges, schools, retail, government buildings, hotels, hospi...Read more about Calwest Controls Inc
CalWest Controls is a leading provider of advanced building systems for a wide variety of industries and buildings. We specialize in design, installation and service of energy managerment control systems for HVAC in commercial buildings, colleges, schools, retail, government buildings, hotels, hospi...Read more about Calwest Controls Inc
Porch Pro Headshot Royal Flush Plumbing & Drain

Royal Flush Plumbing & Drain

Tankless Water Heater Installation
Serves Diamond Bar, California
When you hire our punctual and professional plumbers, you'll be making a great decision because we'll take the time to understand your home plumbing. We'll assess the situation before recommending any work, and we'll always use premium products and materials because we want to create lasting results...Read more about Royal Flush Plumbing & Drain
When you hire our punctual and professional plumbers, you'll be making a great decision because we'll take the time to understand your home plumbing. We'll assess the situation before recommending any work, and we'll always use premium products and materials because we want to create lasting results...Read more about Royal Flush Plumbing & Drain
Porch Pro Headshot DRAIN WORKS PLUMBING COMPANY

DRAIN WORKS PLUMBING COMPANY

Tankless Water Heater Installation
Serves Diamond Bar, California
DRAIN WORKS PLUMBING COMPANY offers plumbing services to the Inland Empire area. Call us today!
DRAIN WORKS PLUMBING COMPANY offers plumbing services to the Inland Empire area. Call us today!
Porch Pro Headshot Five Stars Plumbing

Five Stars Plumbing

Tankless Water Heater Installation
Serves Diamond Bar, California

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