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CA Contractor #1026232

24/7 Call Us Today! (408) 564-0580

San Jose Water Heater Installation, Repair & Replacement Services

Professional Tank & Tankless Water Heater Services

When your water heater fails, you need fast, reliable service from licensed professionals who understand Silicon Valley homes and businesses. Drain and Water provides expert water heater installation, repair, and maintenance for residential and commercial properties throughout San Jose, Palo Alto, Mountain View, and surrounding communities. Available 24/7 for emergency water heater repairs.

Is Your Water Heater Leaking or Failing?

Waking up to a cold shower is more than an inconvenience—it’s a disruption to your health and home routine. At Drain and Water, we specialize in rapid-response water heater repair in San Jose and across Santa Clara County. Whether your pilot light won’t stay lit, you’ve discovered a leak in your garage, or your unit has simply stopped heating, our licensed technicians (CA #1026232) are available 24/7 for emergency service.

We don’t believe in one-size-fits-all fixes. Our team arrives fully equipped to diagnose exact failure points—from faulty thermocouples and heating elements to sediment buildup in the tank. As a family-owned business, we provide honest assessments: if a simple repair can safely extend the life of your unit, that’s exactly what we’ll recommend.

Common issues we resolve same-day:

  • Pilot light and ignition failures
  • Leaking tanks or pressure relief valves
  • Strange popping or rumbling noises (sediment buildup)
  • Discolored or rusty hot water
  • Faulty thermostats and electrical components

Expert Water Heater Services Guaranteed

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Our Water Line Services

Tank Water Heater Installation & Replacement

Is your conventional water heater showing signs of age? We specialize in professional tank water heater installation and replacement for residential and commercial properties throughout Silicon Valley. Our licensed plumbers help you select the right capacity gas or electric water heater for your property’s hot water demands, ensuring optimal performance and energy efficiency.

Tankless Water Heaters Install & Conversions

Upgrade to endless hot water with a tankless water heater system. Tankless water heaters provide on-demand hot water, reduce energy costs by up to 30%, and save valuable space in your home or business. We specialize in both new tankless installations and conversions from traditional tank systems.

Water Heater Repair

Don’t replace when you can repair! Our experienced technicians diagnose and fix common water heater problems quickly, restoring your hot water supply and extending your system’s lifespan. We service all major brands including Rheem, Bradford White, AO Smith, Rinnai, Navien, and Noritz. 

Water Heater Maintenance

Your water heater works every day—then one day it doesn’t. Routine maintenance is the best way to prevent surprise breakdowns, reduce energy waste, and catch small issues (like a failing T&P valve or corroded fittings) before they turn into leaks or water damage.

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Water Heater Service

Why Choose Us for Your Water Heater?

Hot Water Running Out Too Fast?

Upgrade to Endless Tankless Comfort Today

Is your family constantly fighting over who gets the first shower? If your traditional tank can’t keep up with your household’s demand, it’s time to explore the benefits of a tankless water heater. We specialize in tankless water heater installations and conversions for homes in Palo Alto, Mountain View, and Sunnyvale where space and efficiency are top priorities.

Unlike standard tanks that heat and reheat the same water all day, tankless systems provide hot water on demand. This means you never run out, even if the laundry, dishwasher, and shower are all running at once. Plus, because they only operate when you turn on the tap, you can reduce your monthly energy bills by up to 30%.

Why Silicon Valley homeowners choose tankless:

  • Endless Supply: No more “waiting for the tank to refill.”
  • Space Savings: Units are wall-mounted and about the size of a suitcase, freeing up valuable square footage.
  • Longevity: Tankless systems often last 20+ years—double the lifespan of a traditional tank.
  • Eco-Friendly: High-efficiency operation qualifies for various energy rebates and tax credits.

What Customers Say About Our Services

Axel, Thomas and Luis with Drain and Water were great to work with! Quick to come out and give us a quote; we needed to get all the plumbing under our house replaced - it was LONG over due. We got a couple quotes from other companies and Drain & Water worked best for our budget and timeline. We are very pleased with the work they did, would highly recommend.
yelo
Maria T.
Plumbing Services
Super knowledgeable, super friendly, and professional. They were conscientious about their work, did an excellent job, and cleaned everything up before leaving. Be sure and give them a shot to bid on your work - you won’t be disappointed!!
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Tom Hughston
Plumbing Services
They cleaned out my sewage pipe and Axel Mendez did an excellent job. Highly recommend these people, they have all the tools to do a great job.
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Jaydeep Patel
Sewer Drain Cleaning Service

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Frequently Asked Questions About Water Heaters

Traditional tank water heaters typically last 10-15 years with proper maintenance, while tankless water heaters can last 20+ years. Factors affecting lifespan include water quality, maintenance frequency, and usage patterns. If your water heater is over 10 years old and experiencing problems, replacement may be more cost-effective than repairs.

The best choice depends on your needs:

  • Choose tank if you have lower upfront budget, moderate hot water needs, and existing infrastructure
  • Choose tankless if you want endless hot water, long-term energy savings, space efficiency, and longer equipment lifespan

Our experts will assess your property and usage patterns to recommend the optimal solution.

Yes! We specialize in tankless conversions. The process involves removing your old tank, upgrading gas lines or electrical service if needed, installing the tankless unit, and ensuring proper venting. Most conversions are completed in one day.

Common causes include:

  • Rumbling/popping: Sediment buildup on tank bottom (needs flushing)
  • Hissing: Condensation or pressure buildup
  • Banging: Water hammer or loose heating elements
  • Whistling: Restricted water flow or valve issues

While some noise is normal, loud or unusual sounds indicate maintenance or repair needs.

For most Silicon Valley homeowners, yes. Tankless systems offer:

  • 30% lower energy costs
  • Twice the lifespan of tank models
  • Endless hot water supply
  • Space savings
  • Potential rebates and tax credits

The higher upfront cost is typically recovered within 5-7 years through energy savings.

Yes! We provide 24/7 emergency water heater repair throughout Silicon Valley. Call (408) 564-0580 anytime for immediate assistance with water heater failures, leaks, or no hot water situations.

Water heater installation costs vary based on the type of system, capacity, and installation complexity. Tank water heater replacement typically ranges from $1,200-$3,500, while tankless water heater installations range from $3,000-$6,500. We provide free estimates and financing options to fit your budget.

Tank water heater sizing depends on household size:

  • 1-2 people: 30-40 gallons
  • 2-3 people: 40-50 gallons
  • 3-4 people: 50-60 gallons
  • 5+ people: 60-80 gallons

For tankless systems, we calculate flow rate based on simultaneous hot water demands. Our technicians perform detailed assessments to ensure proper sizing.

We recommend annual professional maintenance including tank flushing, anode rod inspection, and safety checks. Regular maintenance prevents breakdowns, improves efficiency, and extends equipment lifespan.

Replace your water heater if you notice:

  • Age over 10-12 years
  • Rusty or discolored water
  • Leaking around the tank base
  • Insufficient hot water despite repairs
  • Rising energy bills
  • Frequent repairs needed
  • Visible corrosion or rust on tank

We install and service all major brands including:

  • Rheem
  • Bradford White
  • AO Smith
  • Rinnai
  • Navien
  • Noritz
  • Takagi
  • Bosch

We’ll recommend the best brand for your specific needs and budget.

Yes! All installations include manufacturer equipment warranties (typically 6-12 years for tanks, up to 15 years for tankless) plus our labor warranty. We stand behind our workmanship.

Ready for Reliable Hot Water?

Don’t let water heater problems disrupt your home or business. Contact Drain and Water today for expert water heater installation, repair, or maintenance in San Jose and Silicon Valley.

(408) 564-0580
service@drainandwater.com
1913 Stone Ave, San Jose, CA 95125

Serving San Jose, Santa Clara & San Mateo Counties

We proudly serve residential and commercial properties throughout Silicon Valley, including all of Santa Clara County and San Mateo County.

Our Water Heater Service Area

Lifetime Warranty Guarantee - Free Camera Inspection
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