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Tankless Water Heater Installation

Upgrade to endless hot water and lower energy bills with a professionally installed tankless water heater. Experience the serenity of never running out of hot water again.

Limited Time Offer

$500 OFF

Tankless water heater installation for new customers

Serenity Plumbing Service Van

Why Choose Tankless?

Tankless water heaters offer numerous advantages over traditional tank systems, from energy savings to endless hot water supply.

Endless Hot Water
Never run out of hot water again. Tankless systems heat water on-demand, providing continuous hot water for your entire household.
Lower Energy Bills
Save 24-34% on energy costs compared to traditional tank water heaters. Only heat water when you need it.
Space Saving Design
Compact wall-mounted units free up valuable floor space in your home. Perfect for smaller homes or apartments.
Longer Lifespan
Tankless water heaters last 20+ years compared to 10-15 years for traditional tanks. Better long-term investment.
Reduced Water Waste
Get hot water faster with less waste. No need to run the tap waiting for hot water from a distant tank.
Consistent Temperature
Maintain precise water temperature without fluctuations. No more cold showers when someone else uses water.

Popular Tankless Models

We install and service all major tankless water heater brands. Here are some of our most recommended models.

Rinnai RU160iN
$$$
Indoor Natural Gas

Flow Rate

9.0 GPM

Best For

Large homes (4-5 bathrooms)

Key Features

  • Wi-Fi capable
  • Recirculation ready
  • Ultra-efficient
Navien NPE-240A
$$$
Indoor/Outdoor

Flow Rate

10.1 GPM

Best For

Large homes with high demand

Key Features

  • Built-in recirculation
  • Stainless steel heat exchanger
  • Condensing technology
Rheem RTGH-95DVLN
$$
Indoor Natural Gas

Flow Rate

9.5 GPM

Best For

Medium to large homes

Key Features

  • Low NOx emissions
  • Digital temperature control
  • Self-diagnostic system
Takagi T-H3-DV-N
$$$
Indoor Natural Gas

Flow Rate

10.0 GPM

Best For

Whole house applications

Key Features

  • Commercial grade
  • Condensing efficiency
  • Compact design
Rinnai V65iN
$$
Indoor Natural Gas

Flow Rate

6.5 GPM

Best For

Small to medium homes (2-3 bathrooms)

Key Features

  • Energy Star certified
  • Digital controller
  • Compact footprint
EcoSmart ECO 27
$
Electric

Flow Rate

Up to 6.0 GPM

Best For

Warm climates, point-of-use

Key Features

  • 99.8% efficient
  • Self-modulating
  • Lifetime warranty

$ = $800-$1,500 | $$ = $1,500-$2,500 | $$$ = $2,500-$4,000 (unit cost only, installation additional)

Tankless vs. Traditional Water Heater Comparison

FeatureTanklessTraditional Tank
Upfront Cost
$2,500 - $4,500
$800 - $2,500
Lifespan
20+ years
10-15 years
Energy Efficiency
95-99% efficient
60-70% efficient
Monthly Energy Cost
$30-50
$50-80
Space Required
Wall-mounted (2 sq ft)
Floor space (10 sq ft)
Hot Water Supply
Unlimited on-demand
Limited by tank size
Installation Time
4-8 hours
2-4 hours
Maintenance
Annual descaling
Flush tank yearly
Environmental Impact
Lower carbon footprint
Higher energy use

Tankless wins: 7 categories |Traditional wins: 2 categories

Financing Calculator

See your affordable monthly payment options

Typical range: $1,500 - $7,500

With approved credit

Monthly Payment

$100

per month

Total Cost

$6,005

over 60 months

Total Interest

$1,505

11.99% APR

Flexible Financing Available

Don't let upfront costs hold you back from enjoying premium water quality. With monthly payments as low as $100, you can upgrade to a premium whole-home system today and start saving on bottled water, appliance repairs, and energy costs immediately.

0% APR available for 12 months with approved credit
No prepayment penalty - pay off early and save on interest
Same-day approval available for qualified applicants
*Financing subject to credit approval. Terms and conditions apply. APR rates shown are estimates and may vary based on creditworthiness.

Real Results from Real Customers

See how Las Vegas homeowners are saving money, protecting their homes, and enjoying better water quality

JT

Jennifer & Michael Torres

Henderson, NV

Reverse Osmosis + Whole-Home System

"We were spending $80/month on bottled water and constantly dealing with scale buildup. Six months after installing the RO system, our water tastes amazing, our appliances are running better, and we've already saved over $1,200. Best investment we've made in our home!"

Total Documented Savings: $2,400/year

Bottled water: $960
Energy: $640
Appliances: $800

*Based on 6 months of actual usage

Water Quality Test Results

Water Hardness

Before

425 PPM (Very Hard)

After

0 PPM (Soft)

Chlorine Level

Before

4.2 PPM

After

< 0.1 PPM

Total Dissolved Solids

Before

680 PPM

After

12 PPM

✓ Lab-Certified Results

All water quality tests performed by independent certified laboratory before and after installation.

RC

Robert Chen

Summerlin, NV

Whole-Home Filtration + Softener

"My water heater was only 8 years old when it failed due to scale buildup. After replacing it, I installed this system. Two years later, my new water heater is spotless inside, my skin doesn't itch anymore, and I use half the soap I used to. The system paid for itself in the first year."

Total Documented Savings: $1,800/year

Energy: $600
Appliances: $1200

*Based on 2 years of actual usage

Water Quality Test Results

Water Hardness

Before

380 PPM (Very Hard)

After

< 10 PPM (Soft)

Chlorine Level

Before

3.8 PPM

After

< 0.2 PPM

Total Dissolved Solids

Before

520 PPM

After

180 PPM

✓ Lab-Certified Results

All water quality tests performed by independent certified laboratory before and after installation.

Our Installation Process

Professional installation by licensed experts ensures optimal performance and longevity.

1
Free Consultation
We assess your home's hot water needs, existing setup, and recommend the best tankless system for your situation.
2
Detailed Quote
Receive a transparent, itemized quote covering equipment, installation, and any necessary upgrades.
3
Professional Install
Our licensed technicians handle removal of old equipment, installation, gas/electrical work, and testing.
4
Training & Support
We show you how to operate your new system and provide ongoing support and maintenance services.

Traditional Tank Water Heaters

While we recommend tankless systems for most homes, traditional tank water heaters remain a reliable and cost-effective option for many Las Vegas homeowners.

When Tank Water Heaters Make Sense

Lower Upfront Cost

Tank water heaters cost $800-$2,500 installed compared to $3,000-$6,500 for tankless systems.

Simpler Installation

No gas line or electrical upgrades typically needed. Installation takes 2-4 hours.

Proven Reliability

Time-tested technology with straightforward maintenance and repair.

Consistent Performance

Works well for homes with moderate hot water needs and predictable usage patterns.

Tank Water Heater Sizes

30-40 Gallons
Best for: 1-2 people, apartments, condos
Recovery time: 45-60 minutes
Installation cost: $800-$1,500
50 Gallons
Best for: 2-3 people, small to medium homes
Recovery time: 60-75 minutes
Installation cost: $1,000-$1,800
75-80 Gallons
Best for: 4-5 people, large families
Recovery time: 90-120 minutes
Installation cost: $1,500-$2,500

Our Tank Water Heater Services

New Installation

Professional installation of gas or electric tank water heaters. Same-day service available.

Repair & Maintenance

Thermostat replacement, heating element repair, leak fixes, and annual maintenance.

Emergency Service

24/7 emergency repairs for leaking tanks, no hot water, and water heater failures.

Not sure whether tankless or tank is right for you? We'll help you decide.

Frequently Asked Questions

How much does tankless water heater installation cost?
Installation typically ranges from $3,000 to $6,500 depending on the model, fuel type, and complexity of installation. We offer $500 OFF tankless installations for new customers.
Can a tankless water heater serve my whole house?
Yes! We'll calculate your home's peak hot water demand and recommend the right size unit. Most homes need 7-10 GPM capacity for whole-house coverage.
What's the difference between gas and electric tankless heaters?
Gas units provide higher flow rates and work better for whole-house applications. Electric units are more compact and efficient but may require electrical upgrades and work best for point-of-use applications.
How long does installation take?
Most tankless water heater installations take 4-8 hours. Complex installations requiring gas line upgrades or electrical work may take longer.
Do tankless water heaters require maintenance?
Yes, annual maintenance is recommended to flush mineral buildup and ensure optimal performance. We offer maintenance plans to keep your system running efficiently.
Will I need to upgrade my gas line?
Possibly. Tankless heaters require higher gas flow than traditional tanks. We'll assess your current gas line and recommend upgrades if needed.

Ready to Upgrade to Tankless?

Contact Serenity Plumbing today for a free consultation and quote. Experience the benefits of endless hot water and lower energy bills.