1. Water Heater Doctor

0

Pasadena, CA

Water Heater Doctor

5.0 (276 reviews)
Open • 7:00 am - 10:00 pm

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Response time

50 minutes

Response rate

100%

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Recommended Reviews - Water Heater Doctor

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Reviews With Photos

David S.

Had to replace my water heater after it gave out and I'm so glad I went with this company. I got quotes from several vendors, and they offered the best value by far, no upselling, just honest pricing and quality work. From the very first call, their customer service was outstanding; they were responsive, professional, and genuinely helpful. They clearly know their stuff and I felt confident I was in good hands. Sam handled the installation and he was an absolute magician. Incredibly knowledgeable, efficient, and courteous throughout the process. Everything was done right the first time, with zero hassle. It's rare to find a team that combines technical skill with great service, but they nailed it. Highly recommend - these folks are top-tier.

New Heater install. Neatly done in a narrow area!
Shawn W.

Zach and his team installed an 80 gal Bradford White Heat Pump water heater at my house today and I couldn't be more thrilled with the results. Showers used to have to be speed ran with an undersized tank on a new build, so after talking with Zach he advised on the size and quality of a Bradford White. I'll admit I shopped around before coming back to them, they not only demonstrated the expertise of the install but matched the best quotes and even installed a regulator on the mainline to my house for the same price I was quoted on install alone from others. Heater install area looks clean and it runs like a dream. Wish I had better pics, they don't do it justice. Highly recommend giving them a call if you're in the market for a new water heater upgrade.

New Branford White 50 gallon water heater
Gregory G.

I did a cold search for water heater repairs on Yelp. And these guys were the first ones to reach out to me. After doing some more research I decided to use these guys based on their other reviews. But also because Zach actually called me and as we discussed my water heater issue, his knowledge and expertise made me feel like I made the right choice. I scheduled my appointment between 9:30-10:30. Sam arrived exactly at 9:30, located my water heater and went right to work. He was prompt, professional and efficient. The entire process took probably about an hour and a half or so. Sam explained every step of the process as he was draining/disconnecting my old water heater and reinstalling the new one. During that time, I got to speak with Sam on a personal level, which made me feel even more comfortable getting to know Sam as a person, husband, father, brother, etc. We also had some things in common. The price for the entire process was extremely reasonable compared to some of the other quotes I received from other companies. I've already started telling my friends and co-workers about Water Heater Doctor. These guys do excellent work. They're reasonably priced and they will personally call you if you have any questions. I am completely satisfied with their service and will not hesitate to recommend them to anyone I come across. They have a quick response time and will answer any questions or concerns you have. Give these guys a try and you won't be disappointed. Thank you Zach and Sam!

After

We ran out of hot water on a Sunday, which immediately sent my household into panic mode, nobody wants ice-cold showers. I reached out to Water Heater Doctor and connected with Zach, who was extremely responsive. I was able to text him photos of my old water heater and setup right away, which made it easy for him to diagnose the issue and recommend the right solution. By the very next afternoon, Sam came out for the installation. He even texted me when he was about 25 minutes away, which I really appreciated. When he arrived, he was friendly, professional, and clearly knew his stuff. Sam did a clean, efficient install and took the time to consider my options. I appreciated his honesty, his patience, and even his good sense of humor, it made what could've been a stressful situation much smoother. I've attached before and after photos so you can see the difference. The old unit was clearly failing and leaking, and the new Bradford White water heater looks clean, modern, and professionally installed with new copper lines and an expansion tank. We now have reliable hot water again, and everything is working perfectly. I would absolutely recommend Water Heater Doctor if you want fast, honest, and high quality work.

Tankless water heater

I recently had a Rinnai RX199iN tankless water heater installed in my two-story home by Water Heater Doctor, and I could not be more satisfied with the experience. The technician, Nick, arrived on time and was extremely knowledgeable and professional throughout the installation. He clearly takes pride in his work and made sure everything was operating properly before he left. He took the time to walk me through the system and ensured I was comfortable with how it functions. The quote was fair and transparent, and the company provided a 2-year workmanship warranty on labor, which gave me confidence that they truly stand behind their work. The invoice was detailed, easy to understand, and there were no hidden costs or surprises. If you are looking for a reliable, professional company to install a tankless water heater, look no further than Water Heater Doctor. I highly recommend them.

Our old, sad looking unit that was exposed and not up to code.
Suki T.

Zach is the man! We recently purchased a rental property and unfortunately our inspector didn't tell us the dire condition our water heater was in. It was on its last leg, wasn't enclosed, and wasn't up to code. When the gas company came out to turn the gas back on after termite remediation, they said they couldn't leave it on due to a faulty grommet. We reached out to Zach, and he gave us a few options. First, he said we should try the Rheem warranty. We didn't end up going that route, but did try using our Home Warranty. The company that came out said they could replace the part that needed replacing, but they would charge us $1,100 to bring the unit up to code. However, that didn't even include an enclosure or a new vent -- which ours needed. Plus, it didn't make sense for us to spend THAT much money and not even get a new unit, since our water heater was so old. Zach had already quoted us for a new unit, enclosure, expansion tank, and new venting but was trying to save us some money -- so we explored a couple of other options. Eventually, we realized its better for us to replace the water heater and we already had Water Heater Doctor at the top of our list. Just for the sake of comparisons, we decided to get a few quotes. All of the other quotes were higher and/or involved less work. The other big companies we reached out to said they couldn't give us a quote without sending a tech in person. Beware of this tactic, though! This happened to us at our primary home where a company comes out, tries to upsell you, and then brings down the price and pressures you into getting the work done right then & there because it's "convenient." Zach was able to give us a quote via text after we sent him a few pictures, so keep that in mind if a company ever tells you otherwise. We felt most comfortable replacing the water heater and bringing it 100% up to code for our tenants, so it was a no-brainer for us to call Zach and get something scheduled. One of his techs, Sam, came out and worked tirelessly on a hot day. He installed a brand new Bradford White 40 gallon tank with all the bells & whistles -- expansion tank, new enclosure, and new vent line! We couldn't be more happy with the job Water Heater Doctor did, and I can almost guarantee that no other licensed company can beat their price for the work! Most importantly, though, Zach was trustworthy and honest. He never pushed us for a sale and was mainly trying to be a resource for us and help us out as much as possible throughout the entire process. Even when I had questions after other companies looked at our unit, he was more than happy to answer our questions and help us find the best solution. As far as I'm concerned Water Heater Doctor has earned our business for life!

New water heater
Greg G.

Reached out Sunday night after finding my water pan full of water. Ugh bad water heater. The water heater Dr's replied back the same night unfortunately I wasn't available to respond. This morning Sam reached out and was very professional and gave me a quote for a 50 gallon water. Sam was able to come out after his morning appointment and got us back up with hot running water. Thanks again Sam for the awesome work.

Water heater replacement. 40 gal

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Ask the Community - Water Heater Doctor

Hello. Are you licensed and bonded?

Yes we are. All our installer carry a C-36 contractor license as well.

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Review Highlights - Water Heater Doctor

“Sam called and quoted me over the phone with a great price (compared to other companies).”

Mentioned in 115 reviews

Read more highlights

On Call Water Heater - Water Heater Company, Pasadena, CA

On Call Water Heater

(11 reviews)

Great service and pricing! So happy that they were able to come out to provide my house with a new…read moreRheem water heater on the same day. Thanks for the excellent service, Natalia!

My 8 yr old Whirlpool water heater has sediment issue and make loud noises when the water boiled…read moreand also the burner is malfunction, called my home warranty for the issue but American HomeShield is a nightmare, they charged $85 to come out and denied to replace the burner, and told me that they only cover repair/replacement when the water heater is stopped working, I didn't want to deal with my home warranty so I looked up on Yelp to find a plumbing company to come out for estimate of replacing my water heater and I came across OnCall Water Heater, Natalia (the owner) reached out to me and gave me fair quote, her quote is a $100 lower than the Western Rooter company, I decided to choose OnCall Water Heater because Natalia is super nice and helpful, she answered my questions about different types of water heater brand Rheem vs Bradford White, and spent time to explain the cons and pros of each water heater to me, so I can make decision to choose the right one. Since my water heater's burner is not functioning normally, so I need to have my water heater replacement asap, Natalia was able to send out her plumber to my house and install the water heater a next day. Her plumber was good, even there was a minor hiccup with the gas leak after the installation, however, as soon as I called Natalia about my family smells gas near water heater, Natalia sent her plumber right away to fix it and the gas leak issue is resolved. I am satisfied with OnCall Water Heater great service and their fair price. Highly recommended OnCall Water Heater for any homeowners who need new water heater Thanks OnCall Water Heater for great customer service and good price!

Western Rooter

Western Rooter

(1.8k reviews)

Major bathroom sink clog and Western Rooter is our go to for all our plumbing issues. Joe S…read morearrives at 8:27am and is as polite as can be. Comes in assesses the situation goes to his truck comes back with his snake and worked it out and was literally done and gone before 9:00am. But Joe S, again was very polite, respectful and skilled. He showed the black sludge buildup that he worked out and he cleaned under the sink and surrounding areas that had that back sludge from our plumbing attempts before the call. Theam is always great and Joe S definetly maintains that sentiment.

I can't say enough good things about my experience with Joe from Western Rooter!…read more Joe showed up at my house right at 8:00 AM to install a tankless water heater and a new shower valve. Before getting started, we talked for about 20 minutes and went over everything, and then Joe got straight to work. I have an older home, so I already knew there were probably going to be some challenges. Sure enough, Joe ran into a few issues along the way, but he handled every one of them professionally and never let it slow him down. He did an excellent job getting my new tankless water heater installed and working properly. After that, Joe came inside to work on my shower valve. He took the time to lay down drop cloths and protect my home before starting the work. Of course, he ran into a few challenges with the older plumbing, but once again, Joe figured it out and got the job done right. I couldn't be happier with the service, craftsmanship, professionalism, and overall experience. Joe clearly takes pride in his work, and it shows. If you're calling Western Rooter, ask for Joe! Not only will you get great plumbing work, but you'll also get a great experience from start to finish. I'll definitely be asking for Joe again the next time I have any plumbing needs. Highly recommended!

Water Heater Doctor - waterheaterinstallrepair - Updated October 2026

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