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

Avatar for Big Wave Plumbing & Gas, LLC
Big Wave Plumbing & Gas, LLC
5.0(
11
)
Tankless Water Heater - Install

Serving Scarborough, ME and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"I had Big Wave Plumbing & Gas help get my water heater up to code, and they were fantastic to work with. They were quick, professional, and clearly explained everything that needed to be done. The Big Wave team was efficient, and the job was done right. I will only be using them from here on out and highly recommend them for their plumbing and heating services. Thanks Big Wave!"
Bathroom Remodel
Bathroom Remodel
Bathroom Remodel
Response time1 day
Avatar for Christensen Plumbing LLC
Christensen Plumbing LLC
5.0(
18
)
Tankless Water Heater - Install

Serving Scarborough, ME and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Evan installed a bathroom vanity &toilet in a small bathroom for me did an excellent job looks great. Also fixed a leak under my kitchen sink by replacing pipes. He was excellent to work with & I would definitely hire him again in the future if needed."
Miscellaneous work
Miscellaneous work
Water heater
Miscellaneous work
Miscellaneous work

+3

Avatar for Heritage Home Service
Heritage Home Service
4.2(
1,356
)
Tankless Water Heater - Install

Serving Scarborough, ME and surrounding areas

Approved (Corporate)

In business since 1988

Emergency services offered

Warranties offered

"I asked for a rep to come to give quotes for repair or replacement of my gas boiler. Before he came the old boiler failed, and Heritage was able to quickly install a new one so that we without heat and hot water for only a short time."
Golf Tournament
Water quality team
HVAC tech
Electrical team
Bryan, electrician

+24

119 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for SEASIDE HEATING AND COOLING LLC
SEASIDE HEATING AND COOLING LLC
5.0(
5
)
Tankless Water Heater - Install

Serving Scarborough, ME and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

We are extremely passionate about the work that we do. You can depend on us to provide a high quality service at a fair and honest price. We understand that the future of our business depends upon our reputation and that is why customer service is by far our highest priority. If you are looking for a professional you can trust, please call today to schedule a no-obligation estimate!

Bryant heat pump
Bryant gas furnace
New boiler
Hydronic piping
Pump manifold

+1

18 neighbors recently requested a quote
Showing 1-10 of 32

The Scarborough, ME homeowners’ guide to tankless water heater installations

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