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Top-Rated Tankless water heater installers in Northwood - Updated Nov 2026

Avatar for Robert Johnson Plumbing
Robert Johnson Plumbing
5.0(
328
)
Tankless Water Heater - Install

Serving Northwood, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Free estimates

Customers say: True professional

"I had Rob install a tankless hot water heater, whole house water filter, and run a new gas line for my gas stove conversion. He was very professional and and was quick to set an appointment. The whole job took a single day and he even removed and disposed of the old outdated appliances. Quality work at reasonable prices! Would highly recommend."
Response time2 hrs
Response rate96%
40 neighbors recently requested a quote
Avatar for Barrington Solutions Plumbing & Heating LLC
Barrington Solutions Plumbing & Heating LLC
4.9(
17
)
Tankless Water Heater - Install

Serving Northwood, NH and surrounding areas

Approved

In business since 2024

Free estimates

Small jobs welcome

"I finally got to build my dream garage to store all my tools and have a cool hangout on Friday nights with the boys n a couple coors. Chris came and did everything from the bathroom and the heating system. I will definitely be calling him back to add a mini split in the future. He was professional, punctual and clean. Very knowledgeable you can tell he cares about his clients."
Granite Ridge
Brook hill development
Sanborton
Derry
2.5 bathroom modular

+39

33 neighbors recently requested a quote
Avatar for Bourne Family Plumbing, LLC
Bourne Family Plumbing, LLC
4.8(
12
)
Tankless Water Heater - Install

Serving Northwood, NH and surrounding areas

Approved

Free estimates

Credit card accepted

"We refurbished two bathrooms as we were getting ready to sell our house. Bourne Plumbing was right there with us. They solved some design problems with the remodel and helped keep the project on time and on budget. Great to work with and would highly recommend them for any remodel project!"
project photos
project photos
project photos
project photos
project photos

+14

4 neighbors recently requested a quote
Avatar for Derry Plumbing & Heating
Derry Plumbing & Heating
3.7(
43
)
Tankless Water Heater - Install

Serving Northwood, NH and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"When our existing water tank started to falter we knew we needed to upgrade. Derry Plumbing and Heating installed a phenomenal tankless system for our 3800+ sq foot home and we never had a reason to complain. Our energy costs went down and we always had hot water for our family of 5 and numerous guests."
Rinnai install
Designer shower
Drain line
Showroom shower/tub stall
Faucet fixtures

+2

Response time10 hrs
Response rate98%
9 neighbors recently requested a quote
Victory Hot Water & Gas, LLC
5.0(
16
)
Tankless Water Heater - Install

Serving Northwood, NH and surrounding areas

In business since 2018

Free estimates

Credit card accepted

"I ve had Justin come over for three projects so far, and for all three he has done an incredible job at a reasonable price. Also very knowledgeable and personable. The three projects were: - install gas line for stove - fix hot water issue - unclog bathtub I would highly recommend him to anyone! His prices are better than those around for doing similar work (we paid a little over half what the other quotes were for our gas line)."
Recommended by100%of homeowners
Avatar for Coy Plumbing & Heating
Coy Plumbing & Heating
5.0(
8
)
Tankless Water Heater - Install

Serving Northwood, NH and surrounding areas

In business since 2024

Free estimates

Emergency services offered

"We were very pleased with the communication and the outcome of our project. We have an old home with some older piping. Finding someone that works on steam boilers is tough. When they looked at the install, they explained what needed to happen clearly deand unrstandable."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+4

Response time2 days
Response rate100%
Recommended by87%of homeowners
Avatar for A&D Plumbing and Heating
A&D Plumbing and Heating
4.9(
11
)
Tankless Water Heater - Install

Serving Northwood, NH and surrounding areas

In business since 2020

Free estimates

Warranties offered

"Anthony provided a great service. He was very good with communicating when he would be here and how long the work would take. He was professional on time and also cleaned up very well. I would not hesitate to have him do plumbing work for me again."
Basement bathroom remodel
Basement bathroom remodel
Basement bathroom remodel
Basement bathroom
Basement Bathroom

+10

Response time11 hrs
Recommended by90%of homeowners
Showing 1-10 of 38

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