Tankless Water Heater Experts | Save Space & Energy
Endless Hot Water, Maximum Efficiency
Tired of running out of hot water in the middle of a shower? A tankless water heater provides hot water on demand—heating water instantly whenever you turn on the faucet.
We provide expert tankless water heater installation across Modesto, Stockton, Tracy, Manteca, Turlock, and surrounding Central Valley cities. With over 30 years of experience, our licensed plumbers help you choose, install, and maintain the right system for your home.
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Our Tankless Water Heater Services To The Rescue
Tankless Water Heater Installation
Professional setup of tankless water heaters for reliable hot water on demand, with safe, code-compliant connections.
Tankless Water Heater Repair
Fast fixes for leaks, ignition issues, or inconsistent temperatures to restore your hot water quickly.
Tankless Water Heater Maintenance
Regular flushing and tune-ups to prevent mineral buildup, extend system life, and keep efficiency high.
- 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
Plumbing Repairs
Drain & Sewer Services
Water Heaters & Filtrations
Pipes & Inspections
Kitchen & Bathroom Plumbing
Commercial Plumbing
- 5-Star Reviews
Over 3k Positive Reviews From Our Clients
Why switch to a tankless water heater?
- Unlimited hot water – No storage tank means you’ll never run out during back-to-back showers.
- Energy efficiency – Heats only when needed, reducing wasted energy and lowering bills.
- Space-saving design – Compact units free up floor space compared to bulky storage tanks.
- Long lifespan – Tankless systems often last longer than traditional water heaters.
- Flexible options – Available in both gas and electric tankless water heater models.
- Serving the Central Valley
Tankless Water Heater Repair Service Near Me
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
Tankless Water Heater Services
Step 1
Consultation & Estimate
We assess your home’s hot water needs, explain the benefits of tankless systems, and provide an upfront quote with no surprises.
Step 2
Professional Installation
Our licensed plumbers handle your tankless water heater installation safely and to code, whether gas or electric, ensuring proper connections and venting.
Step 3
Testing & Setup
We run water through the system, confirm consistent temperature and flow, and show you how to operate your new tankless water heater.
Step 4
Maintenance & Long-Term Care
To keep your system efficient for years, we offer routine flushing, inspections, and tankless water heater repair services whenever you need support.
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Why choose Knights Plumbing for tankless water heater installation?
- 30+ Years of Experience – Thousands of installations across Central Valley.
- Licensed & Certified Plumbers – Safe, code-compliant installations every time.
- Same-day Service – Fast installation and replacement when you need it most.
- Upfront Pricing – Clear estimates with no hidden surprises.
- Our Worry-Free Guarantee:If you’re not completely happy, we’ll come back and make it right—no questions asked.
- FAQS
Frequently Asked Questions About Tankless Water Heaters
It’s an on-demand system that heats water only when you need it. When you turn on a faucet, cold water runs through a heated unit to deliver hot water instantly.
The tankless water heater cost depends on the size of your home, whether you choose gas or electric, and any installation upgrades needed. Knights Plumbing provides upfront pricing and financing options to make it affordable.
Yes. An electric tankless water heater is ideal for homes without natural gas lines. They’re energy-efficient but may require electrical upgrades to support higher demand.
On average, 15–20 years—longer than most traditional tank models when properly maintained.
Yes. We provide full tankless water heater installation, repair, and replacement services to keep your home supplied with hot water.
Tankless Water Heater Repairs You Can Count On
We use the latest tools and techniques to diagnose and repair issues quickly, minimizing downtime and restoring your hot water fast.
Our skilled plumbing technicians are experienced at resolving a wide range of common tankless water heater problems, including:
- Mineral buildup
- Ignition problems
- System overloads
- Faulty temperature sensors
- Burner malfunctions
- Exhaust blockages
Tank vs tankless water heaters: which is right for you?
Traditional tank water heater
- Stores 30–80 gallons of hot water.
- Lower upfront cost.
- Takes up more space.
- Uses energy to keep water hot, even when not in use.
Tankless water heater (on-demand)
- Heats water instantly as you need it.
- Higher upfront tankless water heater cost, but lower long-term energy bills.
- Compact, wall-mounted design.
- Unlimited hot water supply.
👉 Our plumbers will help you compare options and decide whether tank or tankless water heater installation is the best fit for your household.
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Get expert tankless water heater installation today
Enjoy endless hot water, lower bills, and a more efficient home. Call Knights Plumbing and Drain for professional tankless water heater installation in Central Valley. With upfront pricing, financing options, and our “Happy Today or You Don’t Pay” Guarantee, you’ll get a solution that’s built to last.