Heat pump installation – Edison will rebate up to $2000

Our service

At At House, we offer tankless water heaters and water purification systems designed to enhance your home’s comfort and efficiency. Upgrade your living space with energy-saving solutions that make a difference.

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Get your hot water flowing efficiently again with our expert repair service. Avoid disruptions—book your repair today!

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Is your water heater slow or unreliable? Discover our tankless heaters that provide instant hot water and save up to 20% on energy. Get a free consultation and say goodbye to cold showers!

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Improve your home’s water quality with advanced purification systems. Remove impurities and enjoy fresh, clean water every day. Request your free, no-obligation quote.

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Get your hot water flowing efficiently again with our expert repair service. Avoid disruptions—book your repair today!

Trusted Brands We INstall

Quality starts with the brands we trust.

Why Choose At House?

Homeowners trust At House for reliable, affordable, and efficient solutions. With expert service and unbeatable value, we deliver results that matter. Enjoy hassle-free upgrades and repairs with a team you can rely on.

Local Experts

Rely on seasoned professionals with years of experience in delivering tailored residential solutions.

Best Price Guarantee

Enjoy top-quality service at affordable prices, ensuring value in every project we deliver.

Fast Response

Get quick diagnostics and solutions, minimizing disruptions to your home life.

Service quality

Get quick diagnostics and solutions, minimizing disruptions to your home life.

same day consultation

Get quick diagnostics and solutions, minimizing disruptions to your home life.

yelp 5 star review

Get quick diagnostics and solutions, minimizing disruptions to your home life.

guarantee

Rely on seasoned professionals with years of experience in delivering tailored residential solutions.

quick delivery time

Enjoy top-quality service at affordable prices, ensuring value in every project we deliver.
Ready to transform your home?

Tankless Gas Water Heater (Residential)

Hybrid Water Heating Systems (Residential)

See Our Work in Action

Discover how At House transforms homes with energy-efficient solutions and reliable service. From installations to repairs, we deliver results that exceed expectations.

Step-by-Step: How We Work

We make upgrading your water systems simple and stress-free. Here’s our step-by-step process to deliver results tailored to you.

Upgrade your water system, stress-free.

1

Start with a Call

Contact us to discuss your water heating or purification needs. During the call, we’ll ask questions to better understand your goals, explain our services, and set up a time for an in-home consultation or virtual meeting, whichever works best for you.

2

We Listen to You

During the consultation, we’ll assess your specific requirements—whether it’s replacing an old system or installing something brand new. We’ll also review the space, address any concerns you may have, and share detailed information about the products and services that match your needs.

3

Transparent Pricing

Once we understand your project, we’ll provide a clear and detailed quote, breaking down the costs of materials, labor, and any additional services. There are no hidden fees, so you’ll know exactly what to expect.

4

Confirm and Move Forward

After reviewing the quote together, we’ll finalize the plan based on your approval. Once you’re happy with everything, you’ll sign the agreement, and we’ll schedule the installation at a time that’s convenient for you.

5

Out with the Old

On the installation day, our team will safely remove your old water heater, filtration system, or related equipment. We’ll carefully prepare the area for the new installation while minimizing disruption to your home or business.

6

Seamless Installation

Our experienced technicians will install your new system to ensure optimal performance. After installation, we’ll test everything, walk you through the system’s features, and leave the site spotless so you can enjoy your upgraded system right away.

Why Choose At House?

Homeowners trust At House for reliable, affordable, and efficient solutions. With expert service and unbeatable value, we deliver results that matter. Enjoy hassle-free upgrades and repairs with a team you can rely on.

Best Price Guarantee

Enjoy top-quality service at affordable prices, ensuring value in every project we deliver.

Fast Response

Get quick diagnostics and solutions, minimizing disruptions to your home life.

Local Experts

Rely on seasoned professionals with years of experience in delivering tailored residential solutions.

Best Price Guarantee

Enjoy top-quality service at affordable prices, ensuring value in every project we deliver.

Fast Response

Get quick diagnostics and solutions, minimizing disruptions to your home life.

Local Experts

Rely on seasoned professionals with years of experience in delivering tailored residential solutions.
Ready to transform your home?

Verified License

Yelp confirmed a business or employee license.

Rated 5.0 by over 123 satisfied customers

Over 10,000 happy customers in Orange County!

Want to be our next success story?

Frequently asked questions

Ready to take the next step?

How do I know which heating or purification system is right for my home?

Our team will help you find the best option. Click “Free Consultation” and we’ll contact you with a personalized recommendation in minutes.

Do you service my area?

We are based in Irvine, California. We can service most of the area in Orange Country. For other areas please contact us.

How much do you charge?

We do not charge hourly; we charge a flat rate to simplify things. Please get in touch with us to schedule your assessment.

Want to be our next success story?

Meet the Experts Behind At-House

Our team delivers top-notch service, ensuring your water heating and purification needs are met with professionalism and care. With years of experience and a commitment to quality, we’re proud to be your trusted home experts.

Hiro Takanashi

President

Makito Shito  (Makito)

Lead Service Tech

Zaire Chavis (Zaire) 

Lead Service Tech

Kenichi Murkamai (Ken)

Service Tech

Anthony Frias (Anthony) 

Master Service Tech

Alex Frias (Alex)

Master Service Tech

Have questions?

Meet the Experts Behind At-House

Our team delivers top-notch service, ensuring your water heating and purification needs are met with professionalism and care. With years of experience and a commitment to quality, we’re proud to be your trusted home experts.

John D.

Lead Technician

Sarah M.

Customer Service Specialist

David K.

Water Purification Expert

Interested in Our Solutions? Let’s Talk!

Have a project or need a custom solution? Fill out the form below, and our sales team will get in touch to discuss your needs and provide a personalized quote.

Need Assistance? Contact Us Today

Our team is here to help with your questions or troubleshooting. Contact us by email or phone, and we’ll respond promptly. Reach out today!
Our team is here to help with your questions or troubleshooting. Contact us by email or phone, and we’ll respond promptly. Reach out today!
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HOW CAN WE HELP?

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