Tankless Water Heater Installation & Repair Services
Homeowners across San Diego are making the switch to tankless water heaters—and for good reason. These modern systems offer long-term savings, improved efficiency, and endless hot water when you need it most. Whether you’re upgrading for comfort or cutting energy costs, tankless models deliver serious benefits over traditional tanks.
Endless Hot Water
Say goodbye to cold showers. Tankless systems heat water on demand, so you’ll never run out—even with back-to-back use.
Lower Utility Bills
Tankless water heaters only operate when hot water is needed, reducing standby energy loss and lowering monthly utility costs.
Space-Saving Design
Wall-mounted and compact, tankless units free up valuable space in garages, closets, or outdoor enclosures.
Longer Lifespan
With proper maintenance, tankless models can last up to 20 years or more—outperforming standard water heaters by nearly a decade.
Eco-Friendly Operation
Using less energy and emitting fewer greenhouse gases, tankless water heaters are a smarter choice for eco-conscious homeowners.
Eligible for Rebates
In some cases, switching to a tankless system may qualify you for local rebates or energy-efficiency incentives.
At LGE Prime Plumbing, we help San Diego residents upgrade with confidence. Our certified Navien specialists ensure your system is installed right the first time—so you can enjoy all the benefits, worry-free.
Ditch the bulky tank and enjoy endless, energy-efficient hot water with a professionally installed tankless system. We’ll help you select the right unit and handle the installation from start to finish — no hassle, no mess.
Request Service
Please fill out the form below to request an estimate or schedule service.
We assess your household size, number of bathrooms, and hot water habits to recommend the ideal tankless model—no upselling, just what works best for your home.
Your old water heater is safely shut off, drained, and removed. We prep the space for the new system, updating any outdated plumbing, gas, or electrical components as needed to meet code.
We securely install and mount your new Navien tankless water heater, making sure all connections—gas, water, venting, and power—are properly made and safely configured.
We fully test the system for leaks, flow rate, and temperature. Before we go, we give you a quick walkthrough and leave your space clean and job-ready.
When you choose LGE Prime Plumbing, you’re getting expert service from certified Navien installers—plus experience with all major brands. We handle everything with precision and care. For a seamless experience, trust our professional installation team to get it done right the first time.
Tankless systems typically last up to 20 years or more with proper maintenance—almost twice as long as traditional tank heaters. That’s fewer replacements and more peace of mind for busy homeowners.
Space-Saving, Wall-Mounted Design
Free up your garage or utility room. Tankless water heaters mount neatly to the wall, offering a compact, efficient footprint without sacrificing performance.
Since tankless units only heat water as needed, there’s no standby energy loss. This can lead to noticeable monthly savings on your gas or electric bill—especially for households with moderate water usage.
While we proudly recommend Navien for its superior quality and warranty support, our licensed technicians are trained to install and service all major brands, including Rinnai, Noritz, Takagi, Rheem, and Bosch. We’ll help you choose the best system for your needs.
We recommend yearly descaling, especially in hard water areas, to keep your tankless unit running smoothly. As part of our maintenance program, we’ll handle that for you—helping you avoid expensive repairs and maintain manufacturer warranty coverage.
When it comes to tankless water heater installation in San Diego, LGE Prime Plumbing delivers unmatched expertise, reliability, and attention to detail. We’re not just licensed professionals—we’re certified Navien specialists with years of hands-on experience installing all major brands.
Certified Navien Installer
We’re trained and certified by one of the industry’s most trusted brands, giving you peace of mind that your installation is in expert hands.
(We also install and service all other major brands.)
Precision Installs, No Shortcuts
From properly sizing your system to testing for maximum performance, we follow a proven installation process that ensures long-term reliability.
Support That Doesn’t End at Install
Need help understanding descaling? Wondering if your unit’s performing at its best? We’re here for post-install maintenance and support—just a call away.
Jennifer M
LGE installed our new Navien tankless and it’s been perfect. Endless hot water and we noticed the energy savings right away. The crew was clean, fast, and respectful.
Carlos D
Luis and his team were amazing! They walked us through everything and made the switch from a traditional water heater so easy. Highly recommend them for tankless installs.
Sara G
I appreciated how honest and detailed they were. They gave me options and didn’t push anything I didn’t need. I love my new tankless system!
Awards and recognitions
FAQs
Tankless water heaters can last 20 years or more with proper maintenance, which is almost double the lifespan of a traditional tank system.
Yes. Tankless systems heat water on demand, which means you’ll never run out of hot water — even with multiple showers or appliances running.
Annual flushing or descaling is recommended to prevent mineral buildup, especially in areas with hard water like San Diego. Regular maintenance ensures efficiency and long life.
Absolutely. Because they only heat water when you need it, tankless water heaters can reduce energy consumption by up to 30% compared to tank models.
Yes. We can upgrade your old system to a tankless model, but it may require adjustments to gas lines, venting, or electrical connections to support the new unit.
Yes. As certified Navien specialists, we install and service all major brands, including Navien, Rinnai, and Noritz, while still providing expert support for any tankless unit.
We're Already on Our Way!
Upgrade to a high-efficiency tankless water heater and enjoy endless hot water, lower energy bills, and expert installation from San Diego’s trusted pros.
Give us a call today at (858)366-8735
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