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Tankless Water Heaters Seattle, WA

Same-day. 24/7. No trip charges.
Licensed, bonded, and insured.

Seattle Sewer & Drain Repair

Same-Day Service

Available 24/7

No Trip Charges

Ever

1-Year Guarantee

Parts & Labor

100+ Techs

Licensed/Bonded/Insured

Tankless Water Heater Installation and Service in Seattle

Beacon Plumbing's licensed Seattle plumbers install, service, and repair tankless water heaters for homes and businesses across the city. Whether you are making the switch from a traditional tank system or replacing an existing tankless unit, our team brings the expertise and same-day availability to get the job done right.

tankless water heater

Sewer emergency in Seattle?

No trip charges. 90-minute response. Licensed plumbers on call now.

Sewer emergency in Seattle?

No trip charges. 90-minute response. Licensed plumbers on call now.

tankless water heater 2

Tank vs Tankless: What Seattle Homeowners Need to Know

Traditional tank water heaters store and continuously heat a set volume of water, which means you can run out during high-demand periods and you are paying to keep that water hot around the clock. Tankless water heaters heat water on demand, which eliminates the standby heat loss and means you never run out of hot water regardless of how many people are using it. For Seattle homes with multiple bathrooms or high hot water demand, tankless systems offer meaningful energy savings over time. Beacon's team will assess your household's usage, your existing gas or electrical setup, and your budget to recommend the right system. We install all major brands of gas and electric tankless units and can handle the electrical or gas line work required for installation.

Same-Day Service. No Trip Charges. One-Year Guarantee.

Beacon Plumbing charges no trip fees and backs every tankless water heater installation with our one-year guarantee on parts and labor. Our plumbers are licensed, bonded, and insured, and we serve homes and businesses across Seattle. If you also need a traditional tank water heater serviced or replaced, Beacon handles both.

Frequently asked questions

Is a tankless water heater worth it for a Seattle home?

For most Seattle homeowners with multiple bathrooms or high hot water demand, a tankless water heater delivers meaningful long-term savings by eliminating standby heat loss, which accounts for a significant portion of water heating costs. Tankless units also last longer on average than traditional tank systems. The upfront installation cost is higher, but Beacon Plumbing's team can assess your specific usage and help you calculate the payback period for your home.

What is the best tankless water heater brand for Seattle homes?

Beacon Plumbing installs all major tankless water heater brands including Rinnai, Navien, Noritz, Rheem, and Bradford White. The best brand for a specific Seattle home depends on whether the home uses gas or electric, the size of the household, and the existing infrastructure. Beacon's licensed plumbers assess your home and recommend the most appropriate unit for your needs and budget.

How long does it take to install a tankless water heater in Seattle?

A standard tankless water heater installation in a Seattle home typically takes between two and four hours for a straight replacement of an existing unit. Installations that require new gas line work, electrical upgrades, or changes to venting can take longer. Beacon Plumbing offers same-day installation with no trip charges and backs every installation with a one-year guarantee on parts and labor.

Water Heater Service Across the Puget Sound

Ready to go tankless or need your existing unit serviced? Call Beacon Plumbing in Seattle at (206) 720-2040 today. Stop Freakin' Call Beacon!

What Seattle customers are saying

Thousands of verified reviews from homeowners and businesses across the Puget Sound.

"After our third water heater in 15 years finally gave out, Beacon recommended going tankless. They walked us through the options, handled the gas line upgrade, and the installation was done in a day. We have not run out of hot water once in two years and our gas bill is noticeably lower. Should have done this years ago."

Rachel M.  |  Capitol Hill, Seattle  |  Switched from tank to tankless

"Our Navien tankless unit started throwing error codes and I was dreading having to replace it. Beacon diagnosed the issue as a failed flow sensor, had the part, and had it running again in under two hours. They also serviced and descaled the unit while they were here. Saved us from a much larger expense."

James P.  |  Ballard, Seattle  |  Tankless unit repair and service

"We installed two commercial-grade tankless water heaters for our barbershop and Beacon handled the full project including the gas line work. The team was experienced with commercial installations and the whole job was done in one day. No disruption to our business and the hot water has been flawless."

Anita C.  |  South Lake Union, Seattle  |  Commercial tankless installation

Bill Cahill

Owner, Beacon Plumbing
Founded 1995

A message from the owner

Built on hard work and a commitment to this community

Bill Cahill started Beacon Plumbing in 1995 with five trucks and a simple philosophy: hire great people, work hard, and treat every customer the way you would want to be treated. Thirty years later, that philosophy has not changed. What started as a small Seattle operation has grown into a team of 100 licensed, bonded, and insured technicians working around the clock to serve homeowners and businesses across the Puget Sound.

Bill believes deeply in giving back to the community that has supported Beacon's growth. Over the years, Beacon has sponsored the Miss Beacon Plumbing hydroplane at Seattle Seafair, supported Crime Stoppers of Puget Sound in the fight against human trafficking, donated musical instruments and a music teacher to St. George School, and partnered with Northwest Harvest, Ronald McDonald House, and Mamma's Hands. The Seahawks and Mariners logos on Beacon trucks are not just sponsorships - they are a reflection of Bill's pride in Seattle and the people who call it home.

When you call Beacon Plumbing, you are not calling a national franchise. You are calling a company that was built here, employs your neighbors, and is invested in this region for the long haul.

Community commitments

  • Crime Stoppers
  • Ronald McDonald House
  • St. George School
  • Northwest Harvest
  • Mamma's Hands
  • Seattle Seafair Hydroplane
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