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

Avatar for Apex Plumbing and Gas LLC
Apex Plumbing and Gas LLC
5.0(
15
)
Tankless Water Heater - Install

Serving Harrisville, MS and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

We pride our company on reliability, great communication, \nintegrity, and quality work. We are experts in our trade and will do our best \nto keep you as educated as we can on your particular task or project. We look \nforward to earning your business!

Hot water line
Old water valve
Old tank
Old unit
Space Saver

+10

Response time6 hrs
2 neighbors recently requested a quote
Drain Master 24/7, LLC
5.0(
1
)
Tankless Water Heater - Install

Serving Harrisville, MS and surrounding areas

Approved

In business since 1993

Free estimates

Credit card accepted

Drain Master 24/7, LLC brings an unmatched level of commitment to excellence to your plumbing projects. We have over 30 years experience delivering unsurpassed professionalism, expertise, and value. We take pride in providing our customers with personalized customer service, the highest industry standards, and top quality workmanship. References are available on request. Call us today. Drain Clogs Only!

1 neighbors recently requested a quote
Avatar for Cooper's Plumbing Service LLC
Cooper's Plumbing Service LLC
4.6(
144
)
Tankless Water Heater - Install

Serving Harrisville, MS and surrounding areas

In business since 2014

Credit card accepted

"David showed up on time and did excellent work. Very professional and courteous. If you have a plumbing need do not hesitate to use Cooper’s! He even gave me tips on how to prevent my issue again."
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+7

Recommended by95%of homeowners
M & J Plumbing, LLC
4.2(
83
)
Tankless Water Heater - Install

Serving Harrisville, MS and surrounding areas

In business since 2005

Free estimates

Credit card accepted

"Great Response time. My water heater had leaked through my ceiling leaving water all over my laundry room and bed room. I had used Matt D. 2 years ago and found his #. I called him up and he was here within 60 min's draining my tank and had a new one installed within a few hours. Great job of cleaning up afterwards too."
Recommended by97%of homeowners
Avatar for Lewis Plumbing
Lewis Plumbing
5.0(
11
)
Tankless Water Heater - Install

Serving Harrisville, MS and surrounding areas

In business since 2019

Free estimates

"The plumbing expert was very professional and timely in installing my water/ice maker line. This resolved my refrigerator problem. I would recommend Lewis Plumbing to others."
Response time5 hrs
Recommended by87%of homeowners
Showing 1-10 of 34

The Harrisville, MS homeowners’ guide to tankless water heater installations

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