1. Porch
  2. US
  3. WA
  4. Mercer Island
  5. Tankless Water Heater Installation

Top 10 tankless water heater installation services in Mercer Island, WA

Porch Pro Headshot Evergreen Home Heating and Energy

Evergreen Home Heating and Energy

Tankless Water Heater Installation
Serves Mercer Island, Washington
(1,138)
Master Installer in the Seattle City Light Ductless Heat Pump Program, and member of PSE's Contractor Alliance Network. As a heating, air conditioning, and energy solutions provider, we can help you lower your energy bills, reduce your environmental impact, and increase the comfort of your home. ...Read more about Evergreen Home Heating and Energy
Master Installer in the Seattle City Light Ductless Heat Pump Program, and member of PSE's Contractor Alliance Network. As a heating, air conditioning, and energy solutions provider, we can help you lower your energy bills, reduce your environmental impact, and increase the comfort of your home. ...Read more about Evergreen Home Heating and Energy
Porch Pro Headshot Best Plumbing

Best Plumbing

Tankless Water Heater Installation
Serves Mercer Island, Washington
(1,220)
"Best Plumbing exceeded our expectations with their professionalism and expertise. Their team arrived promptly, diagnosed the problem quickly, and had everything fixed within hours.  I highly recommend their services."
"Best Plumbing exceeded our expectations with their professionalism and expertise. Their team arrived promptly, diagnosed the problem quickly, and had everything fixed within hours.  I highly recommend their services."
Porch Pro Headshot The Plumbing Joint Inc

The Plumbing Joint Inc

Tankless Water Heater Installation
Serves Mercer Island, Washington
(638)
"Work: They replaced my 20 year old water heater (which was in a really awkward spot), and also ran a new connection for a W/D connection on the main floor. Additionally they were able to fix the gas exhaust off the top of the water heater, which was bent down and a hazard."
"Work: They replaced my 20 year old water heater (which was in a really awkward spot), and also ran a new connection for a W/D connection on the main floor. Additionally they were able to fix the gas exhaust off the top of the water heater, which was bent down and a hazard."
Porch Pro Headshot Pioneer Plumbing

Pioneer Plumbing

Tankless Water Heater Installation
Serves Mercer Island, Washington
(526)
Pioneer Plumbing is a BBB-accredited plumbing company from Seattle that was established in 1986. They offer backflow preventer installation, gas pipe installation, garbage disposal installation, and pipeline replacement. In July of 2008, a property owner contracted Pioneer Plumbing to do a remodelin...Read more about Pioneer Plumbing
Pioneer Plumbing is a BBB-accredited plumbing company from Seattle that was established in 1986. They offer backflow preventer installation, gas pipe installation, garbage disposal installation, and pipeline replacement. In July of 2008, a property owner contracted Pioneer Plumbing to do a remodelin...Read more about Pioneer Plumbing
Porch Pro Headshot Ridgid Plumbing and Drain Services

Ridgid Plumbing and Drain Services

Tankless Water Heater Installation
Serves Mercer Island, Washington
(409)
"Was very quick and did good job. Within 6 hours of posting my project it was complete. Only reason that it wasn't 5 stars is due to a complication with the install that caused a delay to fully be able to use the new unit. Was very responsive to questions."
"Was very quick and did good job. Within 6 hours of posting my project it was complete. Only reason that it wasn't 5 stars is due to a complication with the install that caused a delay to fully be able to use the new unit. Was very responsive to questions."
Porch Pro Headshot Washington Water Heaters

Washington Water Heaters

Tankless Water Heater Installation
Serves Mercer Island, Washington
(269)
We specialize in residential and commercial installations - and are the area's experts in Tankless Water Heater installation in service. In 99% of cases, we'll get you back in hot water the day you call, and, we give you the lowest prices, guaranteed*! Call us last for the best price, guaranteed! WE...Read more about Washington Water Heaters
We specialize in residential and commercial installations - and are the area's experts in Tankless Water Heater installation in service. In 99% of cases, we'll get you back in hot water the day you call, and, we give you the lowest prices, guaranteed*! Call us last for the best price, guaranteed! WE...Read more about Washington Water Heaters
Porch Pro Headshot Advanced Professional Handyman

Advanced Professional Handyman

Tankless Water Heater Installation
Serves Mercer Island, Washington
(98)
"We had a few issues with things around our house that we called about and WOW we were amazed with the quality of service from Advanced Professional Handyman. Quick, efficient, helpful are just a few of the words to describe the service- most of the time you are worried that a handyman service will...Read more about Advanced Professional Handyman
"We had a few issues with things around our house that we called about and WOW we were amazed with the quality of service from Advanced Professional Handyman. Quick, efficient, helpful are just a few of the words to describe the service- most of the time you are worried that a handyman service will...Read more about Advanced Professional Handyman
Porch Pro Headshot Ally Plumbing, Inc.

Ally Plumbing, Inc.

Tankless Water Heater Installation
Serves Mercer Island, Washington
(131)
"Thank you, thank you, thank you to Chris and Tyler. Very shortly after we called Ally Plumbing, Chris and Tyler were at our condo fixing a broken disposal that was causing nasty black water to come up my drain. They assessed the situation, provided us an estimate before doing any work, and quickly ...Read more about Ally Plumbing, Inc.
"Thank you, thank you, thank you to Chris and Tyler. Very shortly after we called Ally Plumbing, Chris and Tyler were at our condo fixing a broken disposal that was causing nasty black water to come up my drain. They assessed the situation, provided us an estimate before doing any work, and quickly ...Read more about Ally Plumbing, Inc.
Porch Pro Headshot Washington Natural Gas Heating And Air Conditioning

Washington Natural Gas Heating And Air Conditioning

Tankless Water Heater Installation
Serves Mercer Island, Washington
(80)
Our Goal:To provide professional heating, cooling and air quality services and installations, to maintain happy customers with a comfortable home without callbacks. Repairs: On furnaces, heat pumps, tankless water heaters, air conditioning, air filtration systems, standard water heaters, and more. ...Read more about Washington Natural Gas Heating And Air Conditioning
Our Goal:To provide professional heating, cooling and air quality services and installations, to maintain happy customers with a comfortable home without callbacks. Repairs: On furnaces, heat pumps, tankless water heaters, air conditioning, air filtration systems, standard water heaters, and more. ...Read more about Washington Natural Gas Heating And Air Conditioning
Porch Pro Headshot Express Plumbing & Repiping

Express Plumbing & Repiping

Tankless Water Heater Installation
Serves Mercer Island, Washington
(66)
Express plumbing with 12 years of experience in plumbing and drain cleaning We have the best quality in job with the best price, all the jobs are guaranteed Don't pay too much for your small or big jobs We do from service jobs to new construction and repiping
Express plumbing with 12 years of experience in plumbing and drain cleaning We have the best quality in job with the best price, all the jobs are guaranteed Don't pay too much for your small or big jobs We do from service jobs to new construction and repiping

Costs to Install a Tankless Hot Water Heater

$2347 - $2704
Mercer Island, WA average
Get costs in your area
While $2347 - $2704 represents average costs for Mercer Island, use the cost guide to determine prices near you.
Calculate for your area
Want a professional opinion?
Submit your project to local pros and get estimates based on your particular needs.
Get Pro Quotes

Top questions to ask before hiring a tankless water heater installer

A professional will assist you with scope and estimates, but having a clear idea of what you want to accomplish will help communication.

Do you want professionals to do everything, or do you have the time and skill to do some of the work?

Many projects such as have a DIY component, such as painting or cleanup.

First and foremost, protect yourself and make sure the contractor and any sub-contractors are licensed, bonded and insured.

Recent reviews for Mercer Island tankless water heater installation services

517173

professional and did a good job as far as I could see for a boiler service.

- Robert Bentley
8213

Excellent responsiveness in communication. Excellent value. Excellent work quality.

My experience with Chris and the CLS team has been nothing short of fantastic over all the projects they have done for me over the past several years. I can't recommend them highly enough! Excellent!!

- Lynn Caldeiro
2533

Excellent value. Excellent work quality. Excellent to keep appointment.

The project went well.

- Austin Porch
558

Would recommend.

- Andrea Brown
546409

A big thank you to 1St. Construction Resources LLC for their exceptional service! They were prompt, reliable, and courteous throughout the entire window installation process. The windows they installed look fantastic and have added value to my home. I hi...

- Betty Watson
500

Would recommend.

- Tony Halstead
1252

Would recommend.

- Lori Simmons
516850

Very thorough and did a great job. Would certainly call again for any handyman needs.

- John Guballa
99326

Fantastic service. Prompt, articulate and got the job done

- Rupal Mehta
94487

Arash did a fantastic job detecting the leaks and finding the solution to fix the leak. The builder's attempt at making the it repairable didn't work out as much and it needed ripping out that harness and reinstalling a new one. Arash did a very good job ...

- Ravi Terala
99177

Arash was awesome. He came out on short notice, did a thorough evaluation on where water was dripping from through an interior wall, and was able to identify the problem among various water valves in an upstairs bathroom. He gave us a reasonable price aft...

- David Witus
97440

Came by and fixed the water flow problem with our bathtub. Was quick, courteous and gave a fair price. Would definitely use them again.

- Kyle Gordon

All tankless water heater installation services in Mercer Island, WA

Porch Pro Headshot Einstein Plumbing and Heating - Seattle

Einstein Plumbing and Heating - Seattle

Tankless Water Heater Installation
Serves Mercer Island, Washington
(22)
"The best experience I've had period ever with a plumbing company. I called to replace a water heater at my parents house and I'm so glad I did. Thanks to fellow yelpers I know I made the best choice. My parents are super happy about the install. Over the years they've dealt with other handyman, r...Read more about Einstein Plumbing and Heating - Seattle
"The best experience I've had period ever with a plumbing company. I called to replace a water heater at my parents house and I'm so glad I did. Thanks to fellow yelpers I know I made the best choice. My parents are super happy about the install. Over the years they've dealt with other handyman, r...Read more about Einstein Plumbing and Heating - Seattle
Porch Pro Headshot Joe the Plumber

Joe the Plumber

Tankless Water Heater Installation
Serves Mercer Island, Washington
I have been in the plumbing trade for about 17 years. I am experienced in all areas of residential service and repair. I will always run a fair and honest business. I sell only high quality materials and will stand behind them if ever there is an issue. All labor and parts come with a standard one-y...Read more about Joe the Plumber
I have been in the plumbing trade for about 17 years. I am experienced in all areas of residential service and repair. I will always run a fair and honest business. I sell only high quality materials and will stand behind them if ever there is an issue. All labor and parts come with a standard one-y...Read more about Joe the Plumber
Porch Pro Headshot 1St. Construction Resources LLC

1St. Construction Resources LLC

Tankless Water Heater Installation
Serves Mercer Island, Washington
(5)
Full service residential remodeling. Since 1991 Additions, baths & kitchens, decks, windows, alterations, framing, flooring, tile, electrical, plumbing trouble shooting, design, layout, consulting on any of your projects. All estimates are free. Emergency repairs. Quality work at reasonable and com...Read more about 1St. Construction Resources LLC
Full service residential remodeling. Since 1991 Additions, baths & kitchens, decks, windows, alterations, framing, flooring, tile, electrical, plumbing trouble shooting, design, layout, consulting on any of your projects. All estimates are free. Emergency repairs. Quality work at reasonable and com...Read more about 1St. Construction Resources LLC
Porch Pro Headshot Issaquah Locksmith

Issaquah Locksmith

Tankless Water Heater Installation
Serves Mercer Island, Washington
Our Services embrace Locks repair and 24/7 Emergency locksmith. We, Issaquah Locksmith, are known for planning to consumer in twenty minutes with best technicians. We tend to are open 24/7 for emergency demand. Call us at no cost estimate.
Our Services embrace Locks repair and 24/7 Emergency locksmith. We, Issaquah Locksmith, are known for planning to consumer in twenty minutes with best technicians. We tend to are open 24/7 for emergency demand. Call us at no cost estimate.
Porch Pro Headshot Olympic Facility Solutions, LLC

Olympic Facility Solutions, LLC

Tankless Water Heater Installation
Serves Mercer Island, Washington
(8)
General Contractors providing a wide range of services from handyman repairs to electrical services. We service all of the Eastside and Seattle neighborhoods.
General Contractors providing a wide range of services from handyman repairs to electrical services. We service all of the Eastside and Seattle neighborhoods.
Porch Pro Headshot Green Air Inc

Green Air Inc

Tankless Water Heater Installation
Serves Mercer Island, Washington
Hi, I am Mike Wells owner and only service tech at Green Air Inc. I have been serving the Seattle area in the HVAC industry for over ten years and am looking forward to serving you for the next twenty.
Hi, I am Mike Wells owner and only service tech at Green Air Inc. I have been serving the Seattle area in the HVAC industry for over ten years and am looking forward to serving you for the next twenty.
Porch Pro Headshot Rick's Handyman Service

Rick's Handyman Service

Tankless Water Heater Installation
Serves Mercer Island, Washington
(15)
Ricks Handyman Service is a handyman company that provides concrete cleaning, heat pump installation, and exterior door installation. They are based in Seattle.
Ricks Handyman Service is a handyman company that provides concrete cleaning, heat pump installation, and exterior door installation. They are based in Seattle.
Porch Pro Headshot Wolff Water Heaters LLC

Wolff Water Heaters LLC

Tankless Water Heater Installation
Serves Mercer Island, Washington
Wolff Water Heaters LLC is a plumbing company in Woodinville, WA that focuses on keeping your home water delivery system working at peak condition. As plumbing experts who specialize in water heater repair and water heater installation, Wolff Water Heaters LLC knows what it takes to keep your pipes ...Read more about Wolff Water Heaters LLC
Wolff Water Heaters LLC is a plumbing company in Woodinville, WA that focuses on keeping your home water delivery system working at peak condition. As plumbing experts who specialize in water heater repair and water heater installation, Wolff Water Heaters LLC knows what it takes to keep your pipes ...Read more about Wolff Water Heaters LLC
Porch Pro Headshot AJA Mole and Yard Services

AJA Mole and Yard Services

Tankless Water Heater Installation
Serves Mercer Island, Washington
(1)
Have your garden be the center of conversation during backyard parties thanks to the 5-star-rated landscape experts at AJA Mole and Yard Services in Algona.
Have your garden be the center of conversation during backyard parties thanks to the 5-star-rated landscape experts at AJA Mole and Yard Services in Algona.
Porch Pro Headshot Kdp Plumbing LLC

Kdp Plumbing LLC

Tankless Water Heater Installation
Serves Mercer Island, Washington
We have been in business for almost 10 years plumbing custom residential and light commercial remodels, new construction, hot water heaters conventional and tank less, gas piping and re-pipes. I personally have 17 years experience with residential and commercial plumbing. Our main goals...Read more about Kdp Plumbing LLC
We have been in business for almost 10 years plumbing custom residential and light commercial remodels, new construction, hot water heaters conventional and tank less, gas piping and re-pipes. I personally have 17 years experience with residential and commercial plumbing. Our main goals...Read more about Kdp Plumbing LLC
Porch Pro Headshot Royal Flush Plumbers Seattle

Royal Flush Plumbers Seattle

Tankless Water Heater Installation
Serves Mercer Island, Washington
Royal Flush Plumbers Seattle are the area's most trusted plumbers in Seattle, WA. We take care of all your heating and plumbing needs. Call us today! Welcome to Royal Flush Plumbers Seattle! We proudly provide expert plumbing service in Seattle and surrounding areas. Reliable services available 24/7...Read more about Royal Flush Plumbers Seattle
Royal Flush Plumbers Seattle are the area's most trusted plumbers in Seattle, WA. We take care of all your heating and plumbing needs. Call us today! Welcome to Royal Flush Plumbers Seattle! We proudly provide expert plumbing service in Seattle and surrounding areas. Reliable services available 24/7...Read more about Royal Flush Plumbers Seattle
Porch Pro Headshot Merit Handyman Services LLC

Merit Handyman Services LLC

Tankless Water Heater Installation
Serves Mercer Island, Washington
I've been in the construction industry In Washington State for nearly 30 years. I started off in residential Carpentry then moved to commercial work as a Union Carpenter. I then went to work for the Bellevue School District as a Carpenter/Glazier. After working in their maintenance dept. for 13 year...Read more about Merit Handyman Services LLC
I've been in the construction industry In Washington State for nearly 30 years. I started off in residential Carpentry then moved to commercial work as a Union Carpenter. I then went to work for the Bellevue School District as a Carpenter/Glazier. After working in their maintenance dept. for 13 year...Read more about Merit Handyman Services LLC
Porch Pro Headshot CLS Renovations

CLS Renovations

Tankless Water Heater Installation
Serves Mercer Island, Washington
(2)
Porch Pro Headshot P.C King Appliance Repair

P.C King Appliance Repair

Tankless Water Heater Installation
Serves Mercer Island, Washington
(1)