Tankless Water Heater Installation in Modesto, CA
Running out of hot water in a Modesto household is a signal that your current system can’t keep up with how your family actually lives. Knights Plumbing & Drain installs tankless water heaters throughout Modesto and Stanislaus County, with proper sizing, professional installation, and upfront pricing that tells you exactly what you’re getting into before any work begins.
Call (209) 319-0546 to schedule your tankless water heater service.
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What Makes Tankless Different
A tank water heater holds a fixed volume of hot water and reheats it constantly, day and night, whether you’re using it or not. When demand exceeds the tank’s recovery rate with multiple showers, laundry, and dishes at the same time, you run out.
A tankless system heats water at the point of demand. Cold water runs through a heat exchanger and arrives at the tap already at temperature, with no stored volume to deplete. The result is hot water that lasts as long as the fixture is running, not as long as the tank allows.
- 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 WATER HEATER (INSTALLED)
Upgrade to a new water heater and enjoy instant savings.
$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.
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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
Modesto Homes That Benefit Most
Homes in the College Area or Sunnyside with older tank units that have passed their service life are natural candidates for tankless upgrades. Larger families where morning hot water demand is high benefit immediately from the unlimited supply. Modesto homeowners looking to reduce energy costs also benefit from the elimination of standby heat loss, the energy spent keeping a full tank hot all day, even when no one’s home.
Sizing Matters
The single most important factor in a tankless installation is proper unit sizing. A system that can’t meet your peak demand will deliver lukewarm water rather than hot. Your Modesto plumbing technician calculates your household’s peak flow rate and required BTU output before recommending any equipment. You’ll get a fixed quote before anything is purchased or installed.
Hard Water and Tankless Units in Modesto
Modesto’s hard water is one of the most important factors to account for in a tankless installation. Scale accumulation on the heat exchanger is the leading cause of premature tankless failure in Central Valley homes. We discuss descaling service intervals and whether a water softener makes sense for your home as part of every tankless installation service.
Backed by the Worry-Free Guarantee
Every water heater installation is backed by the Knights Worry-Free Guarantee. If any issue surfaces after we leave, we return at no cost until it’s resolved.
GreenSky Financing Available
Tankless installations are eligible for GreenSky financing. Ask about options when you call.
- Serving the Central Valley
Our Service Area
- Solutions
Water and Water Heater Solutions in Modesto
Common Water Heater Problems in Modesto
- Sediment buildup that reduces efficiency and heating speed.
- Leaks or rust in aging tanks and connections.
- Inconsistent water temperature or running out too quickly.
- High energy bills from older or inefficient systems.
Why Clean Water Matters for Modesto Properties
- Remove harmful minerals and impurities.
- Extend your water heater’s life by reducing scale buildup.
- Improve water taste, clarity, and safety.
- Reduce corrosion and maintenance costs.
Protect Your Plumbing with Softer Water in Modesto
- Prevent scale accumulation in heaters and pipes.
- Maintain water pressure and reduce strain on your plumbing system.
- Keep fixtures, sinks, and glassware spotless.
- Extend the lifespan of your heater and appliances.
💡 Pairing a water softener with a new water heater installation helps you maximize performance and minimize maintenance.
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
Our Water Heater Process – 4 Easy Steps
Step 1
Schedule Service
Call or book online for a time that fits your schedule.
Step 2
Upfront Estimate
We’ll inspect your current system and give you a transparent quote.
Step 3
Professional Work
Certified plumbers complete your water heater installation in Modesto with precision and care.
Step 4
Guaranteed Results
Every service is backed by our Happy Today or You Don’t Pay Guarantee.
- go to plumbing service company
Why Modesto Chooses Knights Plumbing
- Serving Modesto Since 1995 – Trusted by thousands of property owners across the Central Valley.
- Thousands of 5-Star Reviews – A proven commitment to quality and customer care.
- Upfront Pricing – Honest quotes with no hidden surprises.
- Same-Day Service Available – Quick help for urgent water heater issues.
- Satisfaction Guaranteed – If you’re not happy, you don’t pay — simple as that.
Save with TECH Clean California rebates
By choosing a heat pump water heater installation through a TECH Clean California–enrolled contractor like Knights Plumbing, you may qualify for significant rebates:
- Northern California homeowners (PG&E & regional utilities): up to $3,300.
- Southern California homeowners (SCE, SDG&E & others): up to $4,300.
- Equity-qualified households (income-based): up to $5,700 in savings.
Additional program benefits:
- $50 enrollment bonus plus $5/month ongoing rewards for participating in smart energy programs.
- Stackable with federal tax credits and other local utility incentives.
👉 Have Questions? Contact Us Now For More Information
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Schedule Your Modesto Tankless Water Heater Installation
Call (209) 319-0546, text, or book online. Knights Plumbing & Drain serves all of Modesto and Stanislaus County. To the Rescue Since 1995.
Knights Plumbing & Drain proudly serves these zip codes in Modesto, CA:
- 95350–95358
- 95397
Operation Hours:
Sunday 8:30 AM-6 PM
Monday 7 AM-6:30 PM
Tuesday 7 AM-6:30 PM
Wednesday 7 AM-6:30 PM
Thursday 7 AM-6:30 PM
Friday 7 AM-6:30 PM
Saturday 7:30 AM-6 PM
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