Water Heater & Filtration Services By Licensed Plumbers
Reliable Hot Water & Clean Water Solutions
From hot showers to safe drinking water, your property depends on reliable plumbing systems. We provide professional water heater and filtration services, whether you need a new water heater installation, fast water heater repair, or a complete upgrade to improve your water quality. Our licensed plumbers have the expertise and tools to get the job done right.
Our water Heater & Filtration services
Tankless water heater installation
Endless hot water on demand, more energy-efficient, and space-saving compared to traditional tanks.
Heat pump water heater installation
Eco-friendly, electric-powered units that use surrounding air to heat water, cutting energy bills.
Water softener installation
Solve hard water problems that cause mineral buildup, soap scum, and appliance wear.
Water filtration systems
Enjoy cleaner, safer water by removing chlorine, bacteria, sediment, and harmful minerals.
- Our Offers
Plumbing Coupons and Special Offers
We believe every customer deserves high-quality plumbing at a fair price. Take advantage of our current coupons to save instantly on essential services:
$15 OFF
ANY DRAIN CLEANING SERVICE
Coupon must be presented at the time of service and cannot be combined with other offers.
$15 OFF
ANY PLUMBING REPAIR SERVICE
Save on common repairs like leaks, clogs, or fixture replacements.
$15 OFF
ANY WATER HEATER (INSTALLED)
Upgrade to a new water heater and enjoy instant savings.
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Main Services We Cover
- 5-Star Reviews
Over 3k Positive Reviews From Our Clients
EXCELLENT Based on 542 reviews Posted on E XTrustindex verifies that the original source of the review is Google. We always request Joe to service our home because he is very professional and knowledgeable! He’s also quick and cleans after his service!Posted on Vikki FrazierTrustindex verifies that the original source of the review is Google. As always (we live in an old house) Knights Plumbing are our go to plumbers. Always respectful and in good moods. Today it was Victor’s turn to tackle roots in the pipes. Fast, professional and overall a great guy. He was informative without being pushy about our pipe and tree situation (we do know it’s not great) 5/5 stars. Thanks VictorPosted on Diana GillisTrustindex verifies that the original source of the review is Google. Victor was amazing. Very professional and personable. He explained everything so that I could understand. His workmanship is great and was done in a timely manner. I would trust him with all future work. Thanks Victor...you're the best and I love your friendly personality.Posted on B. J.Trustindex verifies that the original source of the review is Google. Victor is an awesome plumber. He has excellent plumbing and customer service skills, and is very efficient and clean. He fixes any plumbing issues I ever had every time the first time. Highly recommend Victor to anyone who expects a professional plumber!Posted on Elena SanchezTrustindex verifies that the original source of the review is Google. Our technician Victor did a fantastic job of running his cable and camera in our sewer line. He unclogged our blockage, fast and efficiently. He was very respectful. I would recommend this company to anyone who’s looking for plumbing services.. Leslie took our phone call and he got someone to us in less than an hour! It wasn’t expensive for the amount of work that was done .If I could give this company more stars, I would.Posted on Jose RanesesTrustindex verifies that the original source of the review is Google. Victor was on time and knowledgeable tech and gave me alot of information about tankless water heatersPosted on Jake HaigTrustindex verifies that the original source of the review is Google. Michael was the service technician that helped me out and he was very thorough and neat with his work. He made sure his work was done correctly and was very communicative with his process during installation and through their office. Would recommend again.Posted on J DTrustindex verifies that the original source of the review is Google. Very pleased with the service. Technician Michael was just awesome. Well versed, polite and helpful. Definitely recommend to all!
Do You Need A New Water Heater?
Most water heaters last 8–12 years. You may need a water heater replacement if you notice:
- Inconsistent hot water or running out too quickly.
- Rusty or discolored water.
- Leaks around the tank or water connections.
- Strange noises like popping or rumbling.
- Rising utility bills from poor efficiency.
👉 If you’re experiencing these problems, it’s time to call Knights Plumbing for water heater repair or replacement.
- Serving the Central Valley
Water Heater and Filtration Near You
Affordable Plumbing for Everyone
Plumbing Specials & Coupons
Save instantly on everyday plumbing services.
Flexible Financing
Easy payment options so you don’t have to delay important repairs or upgrades.
Royalty Club Membership
Exclusive perks like discounts, inspections, annual water heater flushes for members.
- Our Process
Simple, Honest & Hassle-Free
Step 1
Book Your Service
Call, text, or schedule online—we’ll find a time that works best for you.
Step 2
Get an Upfront Quote
Our licensed technicians explain the issue and provide a clear price before work begins.
Step 3
We Come Prepared
With fully stocked trucks carrying 2,000+ parts, most repairs and plumbing installation near you are completed in a single visit.
Step 4
Enjoy Peace of Mind
Every job is backed by warranties, upfront pricing, and our Worry-Free Guarantee.
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Why Choose Knights Plumbing?
- 30+ Years of Experience – Trusted across Central Valley since 1995.
- Licensed & Certified Plumbers – Trained in modern water heater and filtration technology.
- Fully Stocked Trucks – Most jobs completed in one visit.
- Same-day Service – Fast response for urgent repairs and replacements.
- Upfront Pricing – Clear estimates before any work begins.
- Our Worry-Free Guarantee – If you’re not satisfied, you don’t pay.
- FAQS
Frequently Asked Questions About Water Heaters
It depends on your needs. A tankless water heater provides endless hot water and efficiency, while a heat pump water heater is eco-friendly and lowers energy costs. Our plumbers will help you choose the right fit.
Most last 8–12 years. If your unit is older, leaking, or struggling to keep up, it may be time for a water heater replacement.
Yes. If your hot water heater is still within its lifespan, our team provides water heater repair services to restore performance and efficiency.
Costs vary based on the type of unit and installation requirements. We provide upfront pricing and offer financing to make upgrades more affordable.
Yes. In addition to water heaters, we install water filtration systems and water softeners to improve your home’s water quality and extend appliance life.
Water Heater Installation Made Simple
When it’s time for a new water heater installation, our team helps you choose the right system based on your household size, hot water demands, and energy efficiency goals. We handle the entire process from start to finish, including:
- Disconnecting and removing your old unit.
- Preparing connections for gas, electric, or hybrid systems.
- Installing the new water heater safely and to code.
- Testing water flow, temperature, and safety valves.
- Hauling away the old unit so you don’t have to worry about it.
Save with TECH Clean California rebates
Upgrading to a heat pump water heater can qualify you for substantial rebates through the TECH Clean California program. Incentives vary based on your utility provider and eligibility, with savings that can reach thousands of dollars on a new installation.
👉 Our dedicated Heat Pump Water Heater page explains rebate amounts, enrollment requirements, and how Knights Plumbing helps you maximize your savings.
- Contact Us
Get expert water heater & filtration services today
Don’t wait for cold showers or poor water quality to disrupt your home. Call Knights Plumbing and Drain for professional water heater installation, repair, and water filtration services in Central Valley. With licensed plumbers, upfront pricing, and 30+ years of trusted experience, you’ll enjoy reliable hot water