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Expert Tankless Water Heater Installs In Smithfield, RI

Fast, professional tankless water heater installation near you. We install and replace gas and electric tankless water heaters with same-day installation available.
  • Same-Day Tankless Water Heater Installation
  • Whole-Home & Point Of Use Systems Available
  • Fast, Professional & Reliable
  • 300+ Local 5-Star Google Reviews

Fast, Friendly, Flat Rates & Here When You Need Us

We Consider Our Clients Family

Reliably Servicing Smithfield, Rhode Island & The Surrounding Areas

Flat Rate Pricing

Upfront, Transparent Pricing

100% Satisfaction

We Work Until You're Happy

Always Available

24/7 Availability

Your Local Tankless Water Heater Installation Experts

If you’re tired of running out of hot water or dealing with an aging tank water heater system, a tankless water heater upgrade is a smart investment. Our licensed plumbers handle the entire installation process, from system sizing to final testing.

Our tankless water heater installation services include:
  • 100% Free On-Site Estimate
  • Old Unit Removal & Disposal
  • Tankless Water Heater Installation

Why Choose Thumbs Up For Your Next Tankless Water Heater Install?

  • Emergency Tankless Water Heater Installation
  • Water Heater Experts Since 2019
  • Fast, Same-Day Service Available
  • Honest Recommendations & Upfront Pricing
  • Local, Trusted Service in Smithfield & Surrounding Areas

Why Smithfield Homeowners Are Switching to Tankless Water Heaters

Tankless systems heat water only when you need it, providing consistent performance and long-term savings.

Benefits of tankless installation:
  • Endless hot water for showers, laundry, and appliances
  • Lower energy costs with on-demand heating
  • Longer lifespan (up to 20+ years)
  • Compact, wall-mounted design that saves space
  • Reduced risk of leaks and water damage
Once you upgrade to a tankless water heater system, you won’t go back to a traditional tank.
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The Types of Tankless Water Heaters We Install

Thumbs Up Plumbing specializes in all types of tankless water heater systems. You can trust our team to know exactly what they're doing.
  • Gas Tankless Water Heater Installation
  • Electric Tankless Water Heater Installation
  • Whole-Home Tankless Water Heaters
  • Multiple-Unit Tankless Water Heaters for Large Homes
  • Point Of Use Tankless Water Heaters For Sinks, Showers, etc.
We’ll determine the right system size based on your home’s hot water demand and usage patterns.

Rheem tankless water heaters with digital displays

Is A Tankless Water Heater Right for Your Home?

Tankless systems are ideal for homeowners who want long-term efficiency and consistent performance. During your consultation, we’ll evaluate:
  • Home size and number of bathrooms
  • Peak hot water demand
  • Gas or electrical capacity
  • Venting and installation requirements
We’ll walk you through costs, installation options, and expected energy savings so you can make the right decision.

Modern tankless water heater units mounted side by side

Tankless Water Heater Installation for All Major Brands in Smithfield, RI & The Surrounding Areas

At Thumbs Up we strive to pick the best brands and units that fit your unique needs. If you do not see the brand you want here, just ask a representative.

What You Can Expect During Your Tankless Water Heater Installation

Thumbs Up Plumbings installation process is designed to be smooth and efficient:
  • System Sizing and Recommendation
  • Safe Removal of the Old Unit
  • Professional Gas, Water, and Electrical Connections
  • Code-Compliant Installation and Testing
  • Full Cleanup and System Walkthrough
Double tankless water heater installation in smithfield, rhode island.

Servicing Smithfield, Rhode Island & Surrounding Areas

Looking for a reliable tankless water heater installer near you? Thumbs Up Plumbing proudly serves Smithfield and nearby communities with professional installation and responsive service.
  • 24/7 Availability
  • Same-Day Tank Water Heater Replacement
  • Fast, Reliable & Professional
  • 300+ Local 5-Star Google Reviews

Protect Your Investment With Exclusive VIP Memberships

Tankless systems require annual flushing and maintenance to maintain efficiency and extend system life. Our maintenance memberships help keep your system performing at its best year after year.
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Blue VIP
  • 5% Off All Services
  • Free Annual Inspection
  • Priority Scheduling
  • Extended Warranty
  • And More!
Go Blue
Orange VIP
  • 10% Off All Services
  • Free Annual Inspection
  • Longer Extended Warranty
  • And More!
Go Orange
WHITE GLOVE EXPERIENCE

Join Our Platinum VIP Membership

All perks from Green plan
No dispatch or assessment fees - including after hours & emergencies
Water heater credit up to $250
Plumbing Fixture Credit Up To $150
And More!

Frequently Asked Questions About Our
Tank Water Heater Installation Services In Smithfield

Upgrade your hot water with a professionally installed tank water heater you can count on. We handle everything from sizing and removal of the old unit to safe installation, code compliance, and final testing—so you get reliable hot water without the headache.

Tankless systems are ideal for homes that need consistent hot water and want improved energy efficiency. We’ll evaluate your usage, home size, and utility setup to determine if tankless is a good fit.

Most installations are completed in one day, though upgrades to gas lines, electrical service, or venting may extend the timeline. 

Yes. Tankless systems heat water on demand, so you won’t run out during normal household use. 

Yes. Because they only heat water when needed, tankless systems typically use less energy than traditional tank water heaters. 

With proper maintenance, tankless systems can last 15–20 years, significantly longer than traditional tanks.

Yes. Annual flushing removes mineral buildup and helps maintain efficiency and performance. 

In most cases, yes. Some homes may require upgrades to gas lines, electrical capacity, or venting, which we’ll evaluate during your consultation. 

Sizing depends on the number of bathrooms, appliances, and simultaneous hot water usage. We calculate the proper flow rate to ensure reliable performance. 

Many homeowners see lower energy costs over time, along with longer equipment life and fewer replacement cycles.

Yes. We provide professional tankless water heater installation throughout Smithfield and surrounding Rhode Island communities. 

We Answer The Phones When Others Don't

Our Business Hours
  • Monday - Friday: Open 24 Hours (After-hours after 4:30PM)
  • Saturday: Open 24 Hours (After-hours after 1:00PM)
  • Sunday: Open 24 Hours (After-hours all day)