Tankless Water Heater Installation

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Traditional & Tankless Hot Water Heater Solutions

The cost of a brand-new water heater unit can vary widely depending on the type & size (in gallons) of the water heater. This can vary considerably between the two types of water heaters; traditional tank & tankless. In addition, there are several other factors that can affect the overall cost of a tankless water heater installation or replacement:

  • What’s the Difference Between a Traditional Tank Water Heater & a Tankless Water Heater in San Fernando Valley: A traditional tank water heater stores gallons of water, so heated water is always available. A tankless water heater will heat up water on-demand, which will save you money in energy costs down the road. Tankless water heaters also save space, so they’re much easier to install in a convenient location within your home.
  • Is Gas or Electric a Better Fuel Source for San Fernando Valley Homes: This decision can be heavily dependent on your geographic location & local natural gas and electricity costs. However, it’s generally a bit more expensive for a gas water heater than an electric water heater.
  • What Size Tankless Water Heater Does Your Home Need: Tankless-style water heaters units are measured in gallons per minute in reference to on-demand flow rate, and commonly range from 4- to 8-gallons per minute. Keep in mind, the larger the tank, the more costly it will be for the unit itself & the heating costs. Let the plumbing experts at CastleWorks Water Heaters of San Fernando Valley help you decide which option is best for your home with an installation evaluation & cost estimate today!

No matter what your hot water needs are, our expert San Fernando Valley plumbers will determine the best tankless water heater type & size for you, with professional advice on your installation before any work is done. You’ll know exactly what solution is best & most affordable for your new tankless water heater; that’s our guarantee.

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Excellent1736 reviews
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Danielle Stahler profile picture
Danielle Stahler
23 September 2026
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This is our second huge projects with Castleworks. Justin went above & beyond, not only making what could have been a huge issue. He figured out the best way to do do with a very minimal amount of holes in walls. He did the work quickly & despite the very small holes needed to connect the pipes, he made it all look like a work of art. I highly recommend recommend the company for any plumbing needs & a special shout out to Justin
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alice engelmann
22 September 2026
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Excellent technician, clean, professional and focused. He provided customer education when all was done and answered all pre- work questions as well. Represented your company well. In
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Bill Loper
20 September 2026
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I would rate my experience with Christopher Beauvoir's installation of a new water heater as a "5". He was extremely professional and straight-forward about the entire process. Explained teh issues with my old water heater, and installed the new one quickly and efficiently. I would not hesitate to recommend Castle Works to my associates if and when they need that kind of service. thanks again for solving my hot water issues!
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Steve Ansay
18 September 2026
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Very good . On time as promised.
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Todd Cetti
17 September 2026
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CastleWorks does excellent work. Christopher Beauvoir showed up on time, was very knowledgeable, and did an excellent job replacing our old water heater in the garage. They use Bradford White water heaters which are really good. Very happy with the job, thank you!
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Timothy Fives
13 September 2026
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CastleWorks’ technician, Christopher Beauvoir, showed up on time and quickly diagnosed the problem with the Grundfos circulation pump on our tankless water heater. He also discovered several faulty valves that had deteriorated over the years. Christopher replaced the failing pump and valves and was on his way in short order.
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Ferdinand Galvez
10 September 2026
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Chris was very professional and kind. Hes very educated when it comes to his like of work! You should definitely do business with Chris Beauvoir!! 5/5 Stars easy!!
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Girard Miller profile picture
Girard Miller
9 September 2026
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We needed to replace our large 100 gal water heater (4.5 Ba house) and called Castleeworks when some slight leakage was visible in the drain pan. Great same-day service by Salvador Vidales, who provided the price estimate, consulted with us on options, and got us an additional discount because we were replacing with the exact same brand that they usually install, so no new major piping was rquired other than the usual new connectors. Waived the delivery fee for the new unit which was in Pomona several hours away on high traffic congestion day.. Salvador was also the installer, very capable and workmanlike. Had the whole worksite set up and old unit ready for removal when the delivery/installation guys arrived on the hottest day of the year. When the new alumuinum drain pan got dented in the installation on our raised pad which didn't look good, he pro-actively had the team pull the new unit back off and installed another replacement drain pan to make sure we were happy with the results. After the delivery guys left when the unit was in place, he worked for several more hours finishing at 7 pm. Showed good workmanship, gave us good advice. We were very happy with Salvador and the company so far at this point. Obviously the proof of the pudding will be in the new unit and our service contracts and warranties, but we're off to a very good start and would highly recommend based on this experience on Day One!
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Koosha Mortazavi profile picture
Koosha Mortazavi
5 September 2026
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Justin was great very professional and explained in details. Their service is great but the company is pricey.
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Terri Mason profile picture
Terri Mason
29 August 2026
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I am more than satisfied with the service I received from Castleworks Home Services. From taking my phone call after hours when I discovered that my water heater was broken and leaking, and scheduling an appointment for the very next day… to keeping me updated on the estimated arrival time of my technician including a text with his full name and photo ID was truly impressive. But what was even more impressive is the actual service itself. Justin, the technician, was extremely easy to work with. He was knowledgeable, polite, explained everything, answered all of my questions, and completed all of the work in one visit. I couldn’t ask for a better experience and highly recommend this company! 5 ⭐️⭐️⭐️⭐️⭐️

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