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    Average homeowner rating
  • Verified reviews icon513
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Top-Rated Water heater pros in Bothell - Updated Nov 2026

Avatar for Stream Water Heaters
Stream Water Heaters
5.0(
50
)
Tankless Water Heater - InstallWater Heater - Install or ReplaceWater Heater - Repair or Service

Serving Bothell, WA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"George was super helpful over the phone determining the right water heating solution for our home, was highly communicative and transparent throughout the process, and made quick work of the installation of our electric water heater. Would highly recommend to other folks in Seattle in need of a water heater upgrade!"
A 20-Year-old gas WH.
A 20-Year-old gas WH.
Preventative Gas Repl.
Preventative Gas Repl.
Non-Condensing Tankless W

+1

Response time4 hrs
Response rate100%
Recommended by12%of homeowners
Avatar for Day & Nite Plumbing & Heating, Inc.
Day & Nite Plumbing & Heating, Inc.
4.3(
225
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Bothell, WA and surrounding areas

Approved

In business since 1954

Emergency services offered

Warranties offered

"Rob came out to review our existing system and helped us figure out what kind and brand of heat pump would work best with our system. He was very patient and informative, and answered all our questions without any pressure or up-sells (we had quotes from five providers). We signed the contract and payed our deposit in June 2021, but unfortunately global supply chain issues delayed the parts being received. Day & Nite were communicative of the issue and offered several alternatives, including a refund of the deposit. We opted to wait for the parts. It took four months, but the techs (lead by Jeff B) were fantastic and very accommodating in how we wanted piping and wiring routed. We are very pleased with how it's turned out and loved working with a local (and family owned!) company! Our gas water heater is due for replacement soon, and we'll be coming back to Day & Nite for that!"
Outdoor Ductless Unit
Indoor Ductless Unit
Outdoor Ductless lineset and Unit
Pump System
2 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Private I Plumbing LLC
Private I Plumbing LLC
5.0(
26
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceTankless Water Heater - Install+1 more

Serving Bothell, WA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Great experience. Arrived during a holiday weekend to assess a leaky water heater. Friendly, personable, and kept me in the loop with what needed to be done, along with options. Work completed the same day, and I will be hiring them again for upcoming projects."
Water heater replacement
Water heater replacement
Water Heater install
Water Heater install
Water Heater install

+18

Response time6 hrs
Response rate100%
65 neighbors recently requested a quote
Avatar for Trident Plumbing & Drain Cleaning
Trident Plumbing & Drain Cleaning
4.9(
162
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Bothell, WA and surrounding areas

Approved

In business since 2016

Emergency services offered

Warranties offered

"Just bought a home and the water heater is failing. Needed to figure out my options between tank and tankless water heaters. Ended up finding out they could not service my house but Matthew still shared his knowledge about my options. This was greatly appreciated as a first time home buyer."
Response time1 day
Response rate100%
Recommended by91%of homeowners
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Water Heaters FAQs, answered by experts

Going from a tank to a tankless water heater is one of the most effective ways to lower your utility bills. The switch also frees up more space and ensures a consistent hot water supply, as the water is heated on an as-needed basis. It costs between $5,400 and $7,400 to install a new tankless water heater. Most installation companies will also help dispose of your old water tank.

You should replace your gas water heater when it’s reached the end of its lifespan, which is a maximum of 12 years in most cases. If your unit is over a decade old and showing signs of inefficiency, leaks, or frequent malfunctions, it may be time to replace your water heater. Research how to best maintain your gas water heater to help extend its lifespan.

The amount of time it takes to replace an electric water heater will depend on the skill level of the individual who is replacing it. For example, if you replace it yourself–and you don’t have much experience–you can expect the project to take a full day. 

However, if you have a certified plumber or water heater contractor install your new water heater, it can take as little as 2 to 3 hours.

If you're replacing a broken water heater, now is a great time to make sure you're selecting a unit that has the right capacity for your household. According to the U.S. Department of Energy, a small 50-gallon to 60-gallon tank is sufficient for households with one to three people. A medium-sized 80-gallon tank is considered ideal for three to four people. A larger tank may be needed if your household has four to six people.

If your water heater is about to celebrate the big 2-0, you may want to consider sending it off to greener pastures. While the water heater may seem to be working well, any conventional, tanked water heater over 10 years of age is at risk of failure. If your water heater is 20 years or older, your best move is to replace your aging heater before it completely breaks down.

The Bothell, WA homeowners’ guide to water heater services

From average costs to expert advice, get all the answers you need to get your job done.