Professional Water Heater Services

Expert water heater repair, installation, and replacement for residential and commercial properties throughout Clark County and Cowlitz County. Serving Vancouver, Battle Ground, Ridgefield, Camas, Washougal, La Center, Yacolt, Amboy, Longview, Woodland, Kalama, and all surrounding communities. Tank and tankless systems—same-day service available.

Licensed & Insured
Family-Owned Since 2004
Same-Day Service
Same-Day Installation

Get Hot Water Flowing Again

Expert service • All brands • Quality guaranteed

Quality guaranteed
Same-day service

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500+

Units Installed

Same Day

Service Available

10 Year

Warranty

All Brands

Serviced

$100 OFF

Water Heater Special

New water heater installation

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Complete Water Heater Solutions

Whether you need same-day repairs, routine maintenance, or a complete water heater replacement, H2O Plumbing provides expert service for all types of water heating systems.

Water Heater Repair

Expert diagnosis and repair of all water heater problems throughout Southwest Washington. From heating element replacement to thermostat issues, we fix it right the first time.

  • • No hot water troubleshooting
  • • Heating element replacement
  • • Thermostat repair
  • • Leak detection and repair
  • • Gas valve replacement
  • • Pilot light issues

Same-day repairs available

Water Heater Installation

Professional installation of new water heaters with proper sizing, code compliance, and comprehensive warranties on all work performed.

  • • Tank water heater installation
  • • Tankless system installation
  • • Hybrid heat pump units
  • • Gas and electric systems
  • • Proper sizing consultation
  • • Code compliance assurance

Free installation estimates

Maintenance & Replacement

Preventive maintenance programs and replacement services to ensure optimal performance and extend the life of your water heating system.

  • • Annual maintenance programs
  • • Anode rod replacement
  • • Tank flushing services
  • • System performance optimization
  • • Replacement consultation
  • • Energy efficiency upgrades

Maintenance plans available

Tank vs. Tankless Water Heaters

Compare both options side-by-side to choose the best water heating solution for your home.

Tank Water Heater

Most Popular

Traditional storage tank system

$800-$2,500installed

Advantages

  • Lower upfront cost
  • Simple installation
  • Proven, reliable technology
  • Easy maintenance & repair
  • Works in most homes

Considerations

  • Higher energy bills
  • Limited hot water supply
  • Takes up floor space
  • 8-12 year lifespan
BEST FOR

Budget-conscious homeowners and homes with predictable hot water needs

Tankless Water Heater

Energy Saver

On-demand heating system

$2,500-$4,500installed

Advantages

  • Unlimited hot water
  • 30-40% more efficient
  • Wall-mounted, saves space
  • 20+ year lifespan
  • Only heats when needed

Considerations

  • Higher upfront cost
  • May need electrical upgrade
  • Flow rate limitations
  • Complex installation
BEST FOR

Energy-conscious homes, limited space, and families with high hot water usage

Not Sure Which Is Right for You?

Our water heater experts will evaluate your home's needs and recommend the best solution.

Call for Free Consultation

Common Water Heater Problems in Southwest Washington

Recognizing water heater problems early can prevent costly repairs and extend your system's life. Here are the most common issues we see throughout Clark County and Cowlitz County:

No Hot Water

Complete loss of hot water can indicate failed heating elements, gas valve issues, or thermostat problems requiring immediate attention.

Possible Causes: Heating element failure, gas supply issues, thermostat malfunction

Insufficient Hot Water

Running out of hot water quickly often means your system is undersized, sediment buildup is reducing capacity, or heating elements are failing.

Possible Causes: Sediment buildup, undersized unit, failing elements

Strange Noises

Popping, rumbling, or crackling sounds typically indicate sediment buildup causing overheating and inefficient operation.

Possible Causes: Sediment accumulation, mineral deposits, aging tank

Water Leaks

Any water around your water heater indicates potential tank corrosion, loose connections, or valve problems requiring prompt professional attention.

Possible Causes: Tank corrosion, loose fittings, valve failure

Discolored Water

Rusty or discolored hot water suggests internal tank corrosion or anode rod failure, often requiring system replacement.

Possible Causes: Tank corrosion, anode rod failure, mineral deposits

High Energy Bills

Sudden increases in energy costs often indicate declining efficiency due to sediment buildup, failing components, or an aging system.

Possible Causes: Sediment buildup, failing insulation, aging system

Why Choose H2O Plumbing for Water Heaters?

Family-owned and trusted since 2004, serving Southwest Washington with expert water heater services.

Same-Day Service

Fast response times with same-day installation and repair services available throughout Southwest Washington.

Licensed & Insured

Fully licensed, bonded, and insured plumbers with decades of combined water heater experience.

Upfront Pricing

Free estimates with transparent, competitive pricing. No hidden fees or surprise charges.

Expert Service

20+ years serving families and businesses with professional water heater installation and repair.

Choosing the Right Size Water Heater

Proper sizing ensures you have adequate hot water while maximizing energy efficiency. Our experts help you select the perfect system for your home throughout Southwest Washington.

Tank Water Heater Sizing Guide

Family SizeTank Size (Gallons)Typical Usage
1-2 People30-40 GallonsLow to moderate usage
2-3 People40-50 GallonsModerate usage patterns
3-4 People50-60 GallonsTypical family usage
4-5 People60-80 GallonsHigh usage household
5+ People80+ GallonsVery high usage needs

Factors We Consider

  • • Number of bathrooms and fixtures
  • • Family size and usage patterns
  • • Peak demand periods
  • • Available space for installation
  • • Energy efficiency preferences
  • • Budget considerations

Professional Assessment

Our experienced technicians perform on-site evaluations to recommend the ideal water heater size and type for your specific needs and budget.

Schedule Free Consultation

Trusted Water Heater Brands We Service

Premium Brands

  • Rheem
  • Navien
  • Noritz

Reliable Brands

  • Bradford White
  • AO Smith
  • State

All Systems

  • Tank Water Heaters
  • Tankless Systems
  • Hybrid Heat Pumps

Brands We Usually Install

Tank Systems:
  • • Rheem Professional Series
  • • Bradford White
  • • AO Smith Signature
  • • State Select
Tankless Systems:
  • • Navien NPE Series
  • • Noritz Residential
  • • Rheem Performance Plus
  • • Rinnai RL Series

Need a Specific Brand?

Request a quote for the exact brand and efficiency level you want. We'll size the system correctly, pull permits if required, and register warranties.

Request Brand Quote

People Also Ask

Common questions about this service

Water heater repairs start at $350 for basic service calls. Most repairs range from $350-$800+ depending on what needs fixing and parts required.

Common repair costs:

  • Heating element replacement: Starting at $350
  • Thermostat repair: Starting at $350
  • Gas valve replacement: $400-$600+
  • Leak repairs: $350-$700+ depending on severity and location
  • Anode rod replacement: Starting at $350

What affects the cost: Age of unit, type of water heater (tank vs tankless), parts availability, extent of damage, and whether gas or electric system.

We provide upfront pricing after diagnosis — you'll know the exact cost before we start work.

The decision depends on age, repair cost, and frequency of issues:

Repair if:

  • Unit is under 8 years old
  • Repair cost is less than 50% of replacement cost
  • This is the first major issue you've had
  • Your system was properly maintained

Replace if:

  • Unit is over 10 years old with major problems
  • You're experiencing frequent repairs (more than twice in 2 years)
  • Energy bills have increased significantly
  • Tank is leaking from the bottom (sign of internal tank failure)
  • You need better efficiency or capacity

Our honest recommendation: We'll assess your specific situation and provide options for both repair and replacement with transparent pricing. If replacement makes more sense, we'll tell you — even if it means a simpler job for us.

Most water heater installations take 3-5 hours for straightforward replacements. Here's the typical timeline:

Tank-to-tank replacement (3-4 hours):

  • Remove old unit and prep area (1 hour)
  • Install new tank, connect water/gas/electrical (1.5-2 hours)
  • Test system, check for leaks, fill tank (30-60 min)

Tankless installation (4-6 hours):

  • More complex due to venting requirements and potential electrical upgrades
  • Gas line sizing may need verification
  • Wall mounting and securing unit

Factors that extend installation time:

  • Switching from tank to tankless (or vice versa)
  • Electrical panel upgrades required
  • Gas line modifications needed
  • Difficult access or tight spaces
  • Code compliance updates required

We offer same-day installation throughout Vancouver, Battle Ground, and Clark County when units are in stock.

Tank water heater sizing by household:

  • 1-2 people: 30-40 gallon tank
  • 2-3 people: 40-50 gallon tank
  • 3-4 people: 50-60 gallon tank
  • 4-5 people: 60-80 gallon tank
  • 5+ people: 80+ gallon tank or tankless system

Tankless water heater sizing: Based on flow rate (gallons per minute) and temperature rise. A typical home needs 7-10 GPM for simultaneous use of multiple fixtures.

We consider more than just family size:

  • Number of bathrooms and fixtures
  • Simultaneous hot water usage (e.g., shower + dishwasher + laundry)
  • Future household changes
  • Space constraints
  • Budget and energy efficiency goals

Free on-site assessment: Our technicians evaluate your specific needs and recommend the right size — not oversized to increase our profit, but properly sized for your actual usage.

Annual flushing is recommended for most homes in Vancouver WA, especially given our hard water conditions.

Why flushing matters:

  • Sediment buildup: Minerals from hard water settle at tank bottom, reducing efficiency and capacity
  • Noise reduction: Popping/rumbling sounds indicate sediment overheating
  • Lifespan extension: Regular flushing can add 2-3 years to tank life
  • Energy savings: Clean tanks heat water faster and more efficiently

Signs you need flushing NOW:

  • Popping, crackling, or rumbling noises
  • Reduced hot water supply
  • Discolored or rusty hot water
  • Longer heating times
  • It's been 2+ years since last flush

Professional service: Water heater flush starts at $350 and includes full inspection of anode rod, pressure relief valve, and overall system health.

Hard water areas: Homes with very hard water (common in parts of Clark County) may benefit from flushing twice per year.

Popping, banging, or rumbling sounds are the most common noises — here's what they mean:

Sediment buildup (most common):

  • Sound: Popping, crackling, or rumbling like popcorn
  • Cause: Mineral deposits trap water beneath them, which boils and causes popping
  • Solution: Flush the tank and consider more frequent maintenance
  • Urgency: Not an emergency, but schedule service soon to prevent damage

High pressure:

  • Sound: Banging or knocking
  • Cause: Pressure relief valve struggling or water hammer in pipes
  • Solution: Check/replace pressure relief valve or install water hammer arrestors
  • Urgency: Address within days — high pressure can damage tank

Heating element issues:

  • Sound: Humming or sizzling
  • Cause: Loose heating element or electrical issue
  • Solution: Tighten or replace heating element
  • Urgency: Not urgent, but reduces efficiency

When to call immediately: Hissing sounds (possible leak), loud banging (pressure issue), or any noise accompanied by water leaking.

We strongly recommend professional installation for safety, warranty, and code compliance reasons. Here's why:

Safety hazards of DIY installation:

  • Gas leaks: Improper gas line connections can cause leaks or explosions
  • Carbon monoxide: Incorrect venting can trap deadly CO in your home
  • Electrical shock: Electric water heaters require proper wiring and grounding
  • Water damage: Leaks from poor connections cause thousands in damage
  • Burns: Incorrect temperature/pressure relief valve installation is dangerous

Legal and warranty issues:

  • Permits required: Most jurisdictions require permits for water heater replacement
  • Code compliance: Installation must meet current plumbing and building codes
  • Warranty void: Most manufacturers void warranties on DIY installations
  • Insurance problems: Homeowner's insurance may not cover damage from DIY work
  • Inspection required: Professional installation includes final inspection

Professional installation ($350+ labor): Includes proper sizing, code compliance, permits, warranty registration, pressure testing, and peace of mind.

For Vancouver WA: Clark County requires permits and inspections for water heater installation — we handle all of this for you.

Watch for these warning signs that indicate your water heater needs attention:

Immediate attention needed:

  • Water pooling around unit: Tank leak or valve failure — call immediately
  • No hot water at all: Complete heating failure
  • Rusty/discolored hot water: Internal tank corrosion (likely needs replacement)
  • Rotten egg smell: Bacteria in tank or gas leak (call immediately if gas smell)

Schedule service soon:

  • Inconsistent water temperature: Thermostat or heating element failing
  • Running out of hot water faster: Sediment buildup or capacity issues
  • Loud noises: Sediment accumulation causing inefficiency
  • Age over 10 years: Tank water heaters near end of typical lifespan
  • Rising energy bills: Declining efficiency
  • Visible corrosion: Rust on tank or connections

What NOT to ignore: Any water leaking from the tank itself (not just connections) means the tank is failing internally. This can't be repaired — replacement is necessary.

Free diagnosis: Not sure if your issue is serious? Call for an assessment. We'll provide honest recommendations on repair vs. replacement.

Yes — regular maintenance saves money and extends system life. Here's what we recommend:

Annual maintenance includes:

  • Tank flushing: Remove sediment buildup
  • Anode rod inspection: Replace if heavily corroded (protects tank from rust)
  • Pressure relief valve test: Ensure proper operation for safety
  • Temperature check: Verify safe operating temperature (120°F recommended)
  • Gas line inspection: Check connections for leaks (gas units)
  • Venting inspection: Ensure proper exhaust (prevents CO buildup)
  • Heating element test: Verify proper function (electric units)
  • Overall system health: Look for signs of wear, corrosion, or failing components

Maintenance pricing: Annual flush and inspection starts at $350. We'll let you know if any additional work is needed and provide upfront pricing.

Benefits of regular maintenance:

  • Extend water heater life by 3-5 years
  • Reduce energy bills by maintaining efficiency
  • Catch small issues before they become expensive repairs
  • Maintain manufacturer warranty compliance
  • Improve hot water quality and quantity

Contact us to schedule your annual water heater maintenance — we serve all of Vancouver, Battle Ground, and Clark County.

Tank vs. Tankless: Quick comparison

Tank Water Heaters (Traditional):

  • Cost: $800-$2,500 installed
  • How it works: Stores 30-80 gallons of heated water
  • Lifespan: 8-12 years
  • Space: Large floor space required
  • Energy: Continuously heats stored water (less efficient)
  • Hot water: Limited to tank size, then wait for recovery
  • Best for: Lower upfront budget, smaller households, simple replacement

Tankless Water Heaters (On-Demand):

  • Cost: $2,500-$4,500 installed
  • How it works: Heats water instantly as it flows through
  • Lifespan: 20+ years
  • Space: Wall-mounted, minimal space
  • Energy: Only heats when needed (30-40% more efficient)
  • Hot water: Unlimited supply at 7-10 GPM flow rate
  • Best for: Long-term savings, high usage homes, limited space

Which should you choose? Depends on your budget, space, household size, and how long you plan to stay in your home. We provide honest recommendations based on your specific situation — not which system gives us higher profit.

Want a detailed comparison for your home? We offer free consultations to help you make the right choice.

Water Heater Frequently Asked Questions

Get answers to the most common questions about water heater service, repair, and replacement.

How long does a water heater typically last?

Traditional tank water heaters typically last 8-12 years, while tankless systems can last 20+ years with proper maintenance. Factors affecting lifespan include water quality, usage patterns, and regular maintenance.

What size water heater do I need for my home?

For tank water heaters: 1-2 people need 30-40 gallons, 2-3 people need 40-50 gallons, 3-4 people need 50-60 gallons, and 5+ people need 80+ gallons. Our technicians perform on-site assessments to recommend the ideal size for your specific needs.

Should I repair or replace my water heater?

If your water heater is under 8 years old and the repair cost is less than half the replacement cost, repair is usually recommended. For units over 10 years old with major issues, or if you're experiencing frequent repairs, replacement is typically more cost-effective long-term.

How much does water heater installation cost?

Tank water heaters typically cost $800-$2,500 installed, while tankless systems range from $2,500-$4,500. Exact costs depend on unit size, type, location, and any necessary upgrades to electrical or gas systems. We provide free, detailed estimates.

Do you offer same-day water heater service?

Yes! We offer same-day service for water heater repairs and installations throughout Southwest Washington. Call us in the morning, and in many cases, we can have your hot water restored the same day.

What's the difference between tank and tankless water heaters?

Tank water heaters store and continuously heat water in a reservoir, offering lower upfront costs but higher energy bills. Tankless systems heat water on-demand, providing unlimited hot water and 30-40% energy savings, but require higher initial investment.

Ready for Reliable Hot Water?

From same-day repairs to new installations, H2O Plumbing provides expert water heater services throughout Vancouver, Battle Ground, Ridgefield, Camas, Washougal, Longview, Woodland, Kalama, and all surrounding communities.