How will I know when you’ll arrive?

We’ll send you a text or give you a call to let you know we’re on our way along with an estimated time of arrival.

How do I schedule an appointment?

Call the plumber whose name is the phone number!

How long does it take you to get here?

We’re a local emergency service plumbing company, which means we can typically dispatch a technician to you within an hour of booking your appointment.

What are your rates and do you provide free estimates?

1-Tom-Plumber [location_area] provides menu-based pricing to all services so you never have to worry about wondering how much a service will cost. You’ll know before we even get started! We do obtain a dispatch fee to come out to assess the issue, but if you do decide to complete the work with us, we waive that fee so you only pay for the service that is performed.

Tankless Water Heater Installation Maintenance Seattle and Eastside

Call Now1-425-291-8660

Endless Hot Water with Expert Tankless Water Heater Installation and Maintenance

Tankless Water Heater Installation and Maintenance in Seattle and the Eastside is one of the smartest upgrades you can make to your home’s plumbing system. 1-Tom-Plumber provides professional installation and scheduled maintenance of high-efficiency tankless systems for homeowners in Seattle, Bellevue, Kirkland, Redmond, Bothell, and surrounding areas.

If you’re looking to reduce energy use, save space, and enjoy hot water on demand, our licensed plumbing team is ready to help.

Why Switch to a Tankless Water Heater?

Traditional water heaters store and reheat water constantly, which wastes energy. Tankless systems heat water only as needed — providing significant benefits:

Endless hot water whenever you need it
Lower monthly energy bills
Compact wall-mounted units save floor space
Longer lifespan compared to traditional tanks
Reduced risk of tank failure or flooding

Our team will assess your home’s layout, fuel type, and daily water usage to recommend the right tankless model for your needs.

Professional Tankless Water Heater Installation Services

Tankless systems require precision installation to perform safely and efficiently. When you choose 1-Tom-Plumber, your tankless water heater installation and maintenance includes:

Removal of your old tank system (if applicable)
Gas line sizing or electrical upgrades (as needed)
Proper venting and code-compliant setup
Water filtration integration (if required)
Manufacturer testing and system start-up
Jobsite clean-up and disposal of old equipment

We install only top-rated brands and ensure every system is installed to Washington State plumbing code.

Ongoing Tankless Water Heater Maintenance

To keep your system running efficiently, we also provide routine maintenance for tankless water heaters, including:

Descaling and flushing to remove mineral buildup
Filter cleaning or replacement
Performance testing and error code diagnosis
Preventative inspections to catch early issues

Homes with hard water — like those in Mill Creek, Everett, and Sammamish — benefit greatly from annual descaling to extend unit life and performance.

Serving Seattle & the Entire Eastside

We proudly offer tankless water heater installation and maintenance throughout: Seattle, Bellevue, Kirkland, Redmond, Bothell, Woodinville, Mill Creek, Lynnwood, Kenmore, Everett, Monroe, Maltby, Duvall, and Sammamish. If your home isn’t on this list, give us a call — we may still serve your area.

Why Choose 1-Tom-Plumber?

Local, licensed, bonded, and insured
Fast service and same-day availability
Expert recommendations for energy efficiency
Financing available upon request
Based locally at 20109 144th Ave NE, Woodinville, WA 98072

We’ve earned the trust of Eastside homeowners by doing the job right the first time.

Schedule Tankless Water Heater Installation and Maintenance Today

Upgrade to the future of home comfort. Whether you need tankless water heater installation or annual maintenance, our team is ready to help.

Call 1-Tom-Plumber at 1-425-291-8660 or book online.
We proudly serve Seattle and all surrounding Eastside cities.

Call Now1-425-291-8660

FAQs

View More FAQs

How will I know when you’ll arrive?: We’ll send you a text or give you a call to let you know we’re on our way along with an estimated time of arrival.
How do I schedule an appointment?: Call the plumber whose name is the phone number!
How long does it take you to get here?: We’re a local emergency service plumbing company, which means we can typically dispatch a technician to you within an hour of booking your appointment.
What are your rates and do you provide free estimates?: 1-Tom-Plumber Seattle provides menu-based pricing to all services so you never have to worry about wondering how much a service will cost. You’ll know before we even get started! We do obtain a dispatch fee to come out to assess the issue, but if you do decide to complete the work with us, we waive that fee so you only pay for the service that is performed.