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    Services - At House

    Water heater installation

    Water heater repair

    Water purification system cleaning and maintenance

    3 More Services

    Water purification system installation

    Water purification system repair

    Salt delivery

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    Recommended Reviews - At House

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    James A.

    Water softener and filter. Prompt response, friendly, professional. Great price. Would highly recommend! Got the hybrid, water feels great! Clean as pipe job for my no knowledge eyes!

    Before

    Imagine you have a problem and there's people who can solve it for you, and do it right the first time. I called them on a Friday and it was installed on Tuesday. My old gas water tank heater ( GE ) was 22 years old, not yet broken but it was time to say goodbye. I bought the gas tankless Rinnai from Home Depot. Rinnai is a Japanese brand, and At House is a Japanese-American contractor Initial in-home visit with At House was very efficient with run down of items needed to be addressed. Contractor ( Hiro, my hero ) very responsive and pro active in accommodating to my concerns: install location, gas pressure. Lucky, I didn't need to do ( 1/2" to 3/4" pipe for Rinnai ) gas line modifications. Cost estimate was accurate and very reasonable. Very quick to schedule appointment and job done very neatly, methodically, promptly and professionally. This is not their first rodeo. ( Thank you " M, " You're the Best ! , the mirror said ) The end result is a masterpiece of " art, " with all the piping beautifully lined up. Not sure if anyone can put a monetary value on happiness. I was thrilled with the installation. I had been dreaming of this Rinnai ( RXP 199iN ) for the past decade and finally dream came true. Hot water came on fast. Machine is in a closet so not much noise when it runs. At House has the Big-city experience and know-how with kindness / honesty of small town feel that really puts my mind at ease. Am a very Happy and thankful that I found them on Rinnai's website as an ACE Pro Rinnai certified contractor, and reading Yelp reviews like what you are doing right now.

    Steve R.

    These guys are ROCKSTARS! Every interaction, from the initial contact with the owner (Hiro), to the techs that came out to my house, this business operated like a WELL-OILED MACHINE! With WORLD CLASS service experience and friendly techs who treated the installation job like they were working on their own house. I'm super happy. Clean install job, cleaned up after their job and best of all their pricing is super competitive. ALL the right reasons to HIRE "AT HOUSE". They took care of my warranty registration and gave me guidance on proper maintenance

    tankless water heater

    We Just replaced our old water heater with a tankless Rinnai and we love it. Hiro was very easy to communicate with, transparent with pricing and service. Great value, competitive price, amazing service and product. Highly recommend this business

    Sheldon K.

    I had my water softener installed by Hiro and his crew previously. Sunday my Noritz tankless water heater went on the blink and stopped working. I called "At House " and spoke with Hiro since he installed my water softener previously. The unit wasn't in stock , however, Hiro committed to have the unit and installed Tuesday. As promised Hiro's assistant arrived on time and started the installation. Both Hiro and his assistant were professional , friendly and patient when I asked questions . The Rennai tankless water heater is working perfectly and the water is even hotter than the previous unit. Hiro replaced all of the hardware fittings and lines to the new unit. When they were finished they thoroughly cleaned up the area and took the old unit with them . I highly recommend "At House" if you need a tankless water heater or water softener installed. Great job guys! Thank you !

    NORITZ EZ SERIES
 EZ98

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    Been using them for years to service my tankless water heater. Always great service and reasonable. Highly recommend.

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    Page 1 of 4

    Ask the Community - At House

    Hi, I have a Noritz Tankless Hot Water Heater. Lately, in the last 6-9 mos. and its been getting worse, when I turn on the hot water, it doesn't ignite to heat the water. When I unplug and plug back in, it seems to start working. Can you repair?

    Thank you very much for your contact. May I have Noritz model name ? And if you have thermostat controller with Noritz, is there any error code on the display? Anyway we… Read more

    Hiro, do you serve northern california or have any partners in the SF Bay area?

    Hi Sorry… we do not have any service channel in N Cal now…

    Hi Hiro. You installed tankless water heater 1yr ago, which needs Dscaling. Also we have a rhino aquasauna system for a fw yrs. We already bought the replacement tank for one side and we were wondering it you put it in?…

    Hi Yes we can set up schedule for Annual maintenance services. Also we may replace the tank as well. Pls let Hannon’s when you want to set up schedule.… Read more

    Don’t See Your Question? Ask Away!

    Review Highlights - At House

    Kevin with At House came out to our home in April of this year and solved our nightmare hot water issue.

    Mentioned in 15 reviews

    Read more highlights

    Swift Water Heater - Residential tank

    Swift Water Heater

    (566 reviews)

    Incredible Experience. This is how a well run company should operate when it comes to business…read more Clear, prompt communication via text. Extremely knowledgeable and great recommendations. Scheduling of service was within 1 day. Zach and his team were professional, efficient, knowledgeable, and kind. They valued the customer first. Change from a water tank heater to a waterless tank heater. Reasonable, competitive pricing in this economy. Service was top notch. Competent and got the job done. No complications or errors. They even provided a detailed invoice and instructions on how to process a rebate with SocalGas. Company operations are extremely well ran and thought out for the customer. Would highly recommend Swift Water Heater as your choice for water heater issues or replacement!!

    Great product, fantastic service, and zero guesswork. About…read morefive years ago, Swift installed our water heater, and just recently I had a leak in the piping near the heater--it was NOT from their equipment, but a pipe leading to the heater. I called late in the afternoon, and they scheduled Josh for the very next morning. He showed up right at 8 am, even texted while en route, and diagnosed and repaired the issue quickly and cleanly. Both visits have been flawless. They keep you in the loop with texts about arrival, do excellent work, and are punctual and professional. If you want reliable service for water heaters, this is the team to call.

    C & C Plumbing

    C & C Plumbing

    (1.1k reviews)

    Cameron responded quickly and gave an honest and fair price. He fixed the leak in less than an…read morehour. Very smooth transaction with no nonsense. Just honest work and provides a great value for your money. I highly recommend.

    I didn't get to use C& C YET and I am not in a hurry as I don't need another pin hole leak ,…read morehowever I happened to call when they were closed and what was so amazing is how Cameron cared enough about my situation that he actually text me to follow up to see if I found anyone after I asked him for recommendations, he had given me a list of quality plumbers which right there says a lot for this company and for Cameron , he knew I was desperate. I called two both were closed as well due to this holiday so I finally got ahold of a company that came out and did the repair . While this was going on Cameron cared enough to text me : DID you end up finding anyone to help you ? I told him, yes thanks to you then he said did they give you an estimate? I said yes , as I had asked for an estimate a from and too price from all that I spoke too . He said good I don't want you being taken advantage of . Mind you I have never met Cameron or used this company before but he cares enough to check on me and to see that the price was close to what he quoted me and it was thank goodness ! Cameron and C& C, you all are a VERY GOOD COMPANY for taking your time to care about people like you did and do . I have you into and I hope that if anyone is looking for an honest plumber they will CALL YOU FIRST as you all really care and your prices are very very reasonable and were spot on with the company you referred me to since you were closed on this special day ! Take care and glad I have your

    Efficient Plumbing - Friendly and knowledgeable plumbers are apart of our team here at Efficient Plumbing.

    Efficient Plumbing

    (509 reviews)

    Our 15 year old water heater started leaking and I called our go to plumbing company that we have…read morebeen using for many years now. Thank you Efficient plumbing yet again for your service and timely installation. When we called my husband scheduled the plumbers Steve and Hector to come out the following day. They had a look at my water heater and determined it needed to be replaced. We had been wanting to get a new tankless water heater for quite some time but my husband wanted to wait until we were in need of replacing our current hot water heater tank. Steve gave us a quote for replacing our current 75 gallon water heater with a tankless Navien model that would go in our garage in the same place as our old water heater. The price was fair and we agreed to go with the work. Later that morning Efficient Plumbing ordered our tankless water heater, delivered it, removed our old water heater and installed the new tankless water heater for us. They did an amazing job with all the necessary modifications to make the conversion from tank to tankless and we were thrilled with the end result. We now have endless hot water that we once never had. Efficient Plumbing has once again came to our rescue when we have been in need of a plumber! They are the best plumbers and I will continue working with them on any future projects or improvements that we may need.

    A few weeks ago we woke up to find a bubble in our dining room ceiling from water that had been…read morefilling up while we were asleep! This is any homeowners nightmare and I called Efficient Plumbing right away. We have used them for many years and sadly this wasn't our first water leak. Evelin answered the phone and walked me through on how to shut the water off to the house immediately to stop the water damage. Hector came out within the hour and got to work diagnosing our issue. He is knowledgeable and very experienced and we always feel like we are in good hands. Our ceiling was opened and it turned out to be a copper pin hole leak on the water line in the ceiling above the dining room that feeds our master bathroom. Hector skillfully repaired the water leak and also advised us to consider a whole house repipe since this was not our first leak. They gave us their estimate the same day for the whole house repipe and even offered to credit the repairs made with Hector towards the repipe which was a big help. We decided to move forward and had them repipe our whole house the following week. They got it done in one day and everything went great! A few days later the drywall was patched up and we were all done! There are many many plumbers in our area but after years of consistent quality workmanship and customer service, I only use and trust Efficient Plumbing.

    Just Right Services - The two installers from Just Right Services, Chris and Guillermo were great. Post-install shot along with me.

    Just Right Services

    (425 reviews)

    Summer is around the corner so I wanted to get a tune up for my HVAC. I inquired through yelp and…read moreit messaged 5 places so I just went with the earliest appointment. I had low expectations as my previous technician with a different company from last year barely did anything and did not even check our drain line inside the home. McShane was our technician and he's the reason I'm even leaving a 5 star review. He explained what he was doing and answered all my questions. He was respectful of the property, used shoe covers before entering, and asked permission before moving things around. You notice those little things when you've had a bad experience in the past. I would say the value is also worth it. It was $85 for the tune-up. I was obviously looking for something cheaper but you get what you pay for. Overall great service!! This company will now be my go-to for my HVAC needs!

    I had a solid experience with Just Right Services and their technician, Brandon. They are punctual,…read moreprovide accurate diagnostics and offer fair pricing. We had a relatively complex HVAC issue that required a follow up visit. The owner, Drew H., was highly responsive and reliable from the very beginning of the project to the end. When a minor miscommunication arose regarding the labor charge for the final replacement part, he quickly stepped in to clarify. They honored their original promise and completed the work at no extra cost. It is good to work with a contractor that stands by their word, sticks to their estimates, and takes responsibility for the final result. Highly recommended for their professionalism.

    At House - waterheaterinstallrepair - Updated May 2026

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