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Tankless Water Heaters

Are you in search of the best Tankless Water Heaters? Look no further than THE Water Heater Company! Let us be your trusted partner in ensuring your home or business enjoys reliable hot water year-round.

Tankless Water Heaters in Simi Valley, CA


If you’re tired of running out of hot water in the middle of a shower, it may be time to upgrade to a tankless water heater. At THE Water Heater Company, we specialize in tankless water heaters in Simi Valley, CA, providing homeowners with energy-efficient, space-saving solutions that deliver endless hot water on demand.

As your local Simi Valley water heater experts, we help homeowners throughout Ventura County enjoy modern comfort with professional installation, maintenance, and repair services for tankless systems. Whether you’re replacing an old tank water heater or installing one for the first time, our skilled team is ready to make the process seamless.

Why Choose a Tankless Water Heater?

Tankless water heaters—also known as on-demand water heaters– heat water only when it’s needed, unlike traditional tank models that store and constantly reheat water. This innovation saves energy, reduces water waste, and provides a consistent hot water supply for your entire household.

Benefits of Tankless Water Heaters in Simi Valley, CA

  • Endless Hot Water: Perfect for large households or back-to-back showers.

  • Energy Efficiency: Only heats water when needed, reducing utility costs.

  • Longer Lifespan: Lasts up to 20 years or more with proper maintenance.

  • Compact Design: Saves space—ideal for Simi Valley homes and condos.

  • Lower Maintenance: Fewer components mean fewer long-term issues.

If you want to save money on energy bills while enjoying uninterrupted hot water, a tankless water heater is the smart, modern choice.

Professional Tankless Water Heater Installation in Simi Valley, CA

When it comes to installing tankless water heaters, proper sizing and configuration are key. Our technicians at THE Water Heater Company will evaluate your home’s water usage, plumbing layout, and energy source to recommend the right system.

We install both gas and electric tankless water heaters, offering top brands known for quality and durability, including Noritz, Navien, Rinnai, and Rheem. Our installation process includes:

  • Assessing your home’s hot water demand

  • Replacing or upgrading existing connections as needed

  • Installing the new unit safely and efficiently

  • Testing your system for optimal performance

Once installed, we walk you through how to use and maintain your new tankless water heater to maximize its lifespan and efficiency.

Tankless Water Heater Repair & Maintenance

While tankless systems are incredibly reliable, occasional maintenance is essential to keep them running efficiently. Our team provides expert tankless water heater repair and maintenance in Simi Valley to prevent costly breakdowns and maintain consistent water flow.

Common Tankless Water Heater Issues We Fix:

  • Mineral or limescale buildup

  • Ignition or heating element failure

  • Inconsistent water temperature

  • Low water pressure or flow rate issues

  • Error codes or sensor malfunctions

We also offer annual descaling and flushing services, especially important in Southern California where hard water can lead to buildup inside your system. Routine maintenance ensures your water heater performs like new and remains energy-efficient for years.

Why Simi Valley Homeowners Trust THE Water Heater Company

When it comes to tankless water heaters in Simi Valley, CA, local homeowners turn to THE Water Heater Company for expert service and honest advice. We’ve earned our reputation as Simi Valley’s trusted water heater professionals through dedication, transparency, and exceptional craftsmanship.

What Sets Us Apart:

  • Certified Technicians: Licensed, insured, and factory-trained experts.

  • Local Knowledge: Proudly serving Simi Valley and nearby areas like Moorpark, Thousand Oaks, and Westlake Village.

  • Top-Tier Brands: We install only reliable, high-efficiency systems.

  • Transparent Pricing: Upfront quotes with no hidden fees.

  • Customer Satisfaction Guarantee: We stand behind our work 100%.

With us, you’ll experience the right way to do water heaters — honest service, professional results, and long-lasting performance.

Schedule Tankless Water Heater Service in Simi Valley, CA

Ready to make the switch to endless hot water? THE Water Heater Company is here to help you upgrade your home’s comfort and efficiency with expert tankless water heater installation in Simi Valley, CA.

From new installations to maintenance and repairs, our local experts are committed to keeping your home comfortable, efficient, and always supplied with hot water.

Experience the Right Way to Do Water Heaters

At THE Water Heater Company, we don’t just install systems,  we build trust. For dependable, high-quality tankless water heater services in Simi Valley, CA, call the professionals who do it the right way every time.

  • “Fair Pricing & Expert Service”

    This is the best company you want to hire, period! Excellent customer service, hones , and fairly priced! They are professionals that will provide you with exactly what you need. Zak G was my technician and I am grateful for his outstanding work. There’s no other company that will take care of you! Please get The Water Heater Company to take care of you the correct way. Thank you for providing people with high quality work, done with pride, and integrity!

    Gustavo C.
  • “Extremely Knowledgeable!”

    I simply cannot say enough wonderful things about this company specifically, Zach R. He was absolutely amazing, professional, extremely knowledgeable and so friendly! I don’t leave reviews often, but this absolutely warrants a review! He was able to replace my water heater the very same day and went above and beyond. Just top notch service all around! He made a Stressful situation much less stressful, and I am truly appreciative. If you ever have a water heater problem, call The Water Heater Company ASAP, and ask for Zach R. I would recommend time and time again!

    Tara L.
  • “Responsive & Professional”

    My water heater was leaking and growling. Who do I call to replace it? A plumbing firm? If so, which one? I ran across The Water Heater Company and figured a firm that specializes only in water heaters should be a wise choice. Right? My decision turned out to be a good one. They are so responsive and professional. The price was fair and reasonable. Top quality USA made water heater unit was installed. The workmanship was superb. Effective communication from start to finish. Terrific overall experience!

    Mike B.
  • “Reoccurring professionalism”

    Always have a great experience with this company. They are professional, prompt, and explain services well. Would recommend highly.

    Julianne A.
  • “Organized & Prepared”

    Mitchell arrived on time, provided expert advice, and had all necessary hardware to complete the job efficiently. After discussing options, he replaced my faulty pressure regulator and valve, resolving the issue immediately. His organization, efficiency, and cleanup were outstanding. As a certified Safety Engineer, I can attest that Mitchell’s workmanship and customer care are among the best I’ve seen.

    Phil M.
  • “Personable & Affordable”

    The Water Heater Company is very reliable and works with its customers to achieve the best possible outcome. Everyone is extremely helpful, kind, personable, and made sure I could get the water heater I desired at a price that I could afford. My technician, Evan, made sure that my house was in perfect order before and after installation, which was almost 3 weeks apart. Evan walked me through the new system with ease and professionalism that other usually do not take the time to do. I’m very satisfied with my purchase and everyone involved. Thank you for everything. I’m only sorry that I didn’t think to take a photo of Evan and his wonderful work!

    Liz B.
  • “Speechless Professionalism”

    Words cannot express my gratitude. Evan and his team did a superb job coordinating and installing a brand new tankless water heater for our family. We are so grateful with the amazing service, professionalism, and attention to detail that was given. Highly recommend! Thank you Evan!

    Mike R.
  • “Exceptional & Responsive”

    Can’t say enough positive things about this company. I called several companies and The Water Heater Company responded within minutes. The other companies called me more than a day later. They let me know when the repairman was going to be here and sent a pic so I knew who he was. Their office staff was excellent in all ways. They are the front line to any business, and they are amazing. A real asset to this company is Evan. He was extremely knowledgeable and professional. He knows his business. He kept us informed every inch of the process. We couldn’t of asked or gotten a better person. He had to clean up the mess the last person created and explained everything to us that was wrong. We will be returning customers for sure!

    M L.
  • “Simply Efficient & Flawless”

    We recently had TWHC replace a tankless water heater in one home and two tank water heaters in another. From the service staff to the technicians on-site, everyone was a pleasure to work with—timely, efficient, and organized. The quality of the work was flawless. We’ve also used TWHC for service work and have been consistently impressed with the craftsmanship and job quality.

    A special shout-out to Billy, who provided excellent phone support. He was courteous, helpful, and made a lasting impression. Thanks to him, we’ll continue to choose TWHC for our future needs.

    Richard L.
  • “Great Customer Service”

    I recently hired The Water Heater Company for a tankless water heater installation, and Evan did an excellent job. When it came time for the descale service, I requested him again. I also decided to install the Halo filtered water system, and Jake was incredibly helpful in guiding me to the best solution for my home.

    The company’s customer service is fantastic. They kept me updated on Evan’s arrival, and I was happy to see him again. He’s always kind, confident, and ensures everything is done right, even with complex installations. I’m very satisfied with their service, products, and overall experience. Thank you!

    B A.