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

Avatar for Fred's Plumbing & Heating
Fred's Plumbing & Heating
5.0(
22
)
Tankless Water Heater - Install

Serving Dumfries, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"From start to finish, Freddy was professional, efficient, and incredibly knowledgeable. The installation was smooth, and the new water heater works perfectly. Freddy even took the time to explain everything and ensured that we were completely satisfied. Highly recommend his services to anyone in need!"
Inspection report
Electrical Project
Additional Photos
Additional Photos
Additional Photos

+16

Response time2 days
Response rate100%
2 neighbors recently requested a quote
Avatar for SwiftPro Heating, Cooling & Plumbing
SwiftPro Heating, Cooling & Plumbing
4.6(
117
)
Tankless Water Heater - Install

Serving Dumfries, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"SwiftPro was excellent. When our hot water heater went out (at nearly 20 years old, we were neither upset nor surprised!) we reached out to a few places but SwiftPro was the most responsive and had the price was fair. Zabi, the service technician was fantastic. I can’t say enough good things about him. He was prompt, provided excellent communication, took meticulous care with the work and work space, and was just a great person to talk to. The install went great and there was no aggressive sales tactics or upselling. Just a genuine cut and dry hot water heater removal and install experience. I highly recommend SwiftPro. Thanks Zabi!"
Tri-County Feeds
Trane Odyssey unit
Attic air handler
Old Armstrong AC
R-22 data plate

+29

Response time4 hrs
Response rate100%
Recommended by43%of homeowners
Avatar for Mermaid Water II
Mermaid Water II
4.9(
93
)
Tankless Water Heater - Install

Serving Dumfries, VA and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"We purchased our house that has a water treatment & purification system and water heater that was installed by Mermaid Water. We have had them out for system check and to help us understand how to use the system. They also helped correct an item from house inspection regarding the water heater. They have been extremely helpful and responsive. Brent does an excellent job of making sure that the customer is happy."
Kinetico Non-Electric Water Softener
Kinetico Non Electric softener / filter
Kinetico Reverse Osmosis
Commercial Kinetico
Water Softener Install

+1

Response time7 hrs
Response rate86%
9 neighbors recently requested a quote
Avatar for DB's Plumbing & Drain
DB's Plumbing & Drain
4.8(
194
)
Tankless Water Heater - Install

Serving Dumfries, VA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Tommy was professional and knowledgeable. He arrived at both appointments on time and got the valve and water heater replaced quickly. I would highly recommend them. I comparison shopped two other plumbing companies during the day and DB's was the best in knowledge and price."
Sewer replacement Inside and out
Team at our new locations ribbon cutting
Expansion tank with new venting
New pipe continued
Whole house re pipe

+212

Response time12 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for Beacon Home Services, Inc.
Beacon Home Services, Inc.
4.6(
2,092
)
Tankless Water Heater - Install

Serving Dumfries, VA and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"Everything seems to have been done extremely well. The guys doing the work are the ones who showed up (right on time) to do the quote. They gave me EIGHT different options for the work I was looking to have done. Understandably, they tried to get me to do more, since they were already there, but there was no pressure or expectation of me agreeing to some of the things I could very easily do myself. They also did not do the typical contractor thing of... "if you agree and sign now, you can get an extra 10% off.' They told me if I agreed now, I'd get priority scheduling. But they were out to do the work within, I believe, 2 days so I don't know how you get much more priority than that. They also did a "free" whole home electrical inspection where they checked all our outlets. Understand they were trying to find more work :) but it didn't cost me anything other than a little time and allowing them to walk around the house to check the outlets. The only issue I did had/have is that I haven't been able to schedule the inspection for the work and that is really mostly on me. I'm sure if I called, they'd help me get that scheduled. Just haven't gotten around to it. The Beacon team's communication was terrific. Workers showed up on time, worked hard and completed in the time (a little less) than they said. Regarding value: I did receive a quote for less from another electrician but the warranty wasn't really comparable to what Beacon offers. And, I also hired them at the same time to do the installation of a new tankless water heater. Since I hired them for both and had a quote for a little less, they worked with me on the price and brought the electrical work price down a bit, which I very much appreciated. They also did a great job on the water heater. They offer no interest for 12 months financing through GreenSky and I was able to combine the two jobs into one GreenSky account so another plus. Overall, this was the best contractor experience I've had in a VERY long time and will definitely reach out to them next time I need work done which they do."
Beacon Home Services - Electric, Plumbing, Drains
New water heater replacement
Our Team
Electrician - Installing 2 new electrical panels
Beacon Home Services - Electrician

+31

Response time30 mins
Response rate100%
580 neighbors recently requested a quote
Avatar for Air Force One Heating & Cooling
Air Force One Heating & Cooling
5.0(
11
)
Tankless Water Heater - Install

Serving Dumfries, VA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Jimmy and his team are experts in their field. Air Force One has installed an HVAC unit and two Mitsubishi mini splits for us at our home. We own a construction company, so we also hire Air Force One for all of our HVAC needs for our customers. They are always professional, prompt and fairly priced."
A/C Maintenance
New AC Installation
Ductwork Replacement
Water Heater Install
HVAC Maintenance

+1

Recommended by9%of homeowners
Avatar for GS CUSTOM REMODELERS LLC
GS CUSTOM REMODELERS LLC
4.9(
27
)
Tankless Water Heater - Install

Serving Dumfries, VA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"Juan from GS CUSTOM REMODELERS LLC did a fantastic job. He communicated well about his availability/timing; he arrived when he said he would, he did the work quickly, and his fee was more than fair--even generous, I would say. He didn't consider the problem, which bedeviled us, too small to deal with. We were impressed, and we will ask him to do more work for us."
Response time1 day
Response rate100%
2 neighbors recently requested a quote
Avatar for Done Rite Services
Done Rite Services
5.0(
16
)
Tankless Water Heater - Install

Serving Dumfries, VA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"We called DoneRite after the water heater replacement company fiddled with the Town’s water supply end and somehow caused a blockage that shut off water supply coming into our house. Willis and his assistant arrived promptly and were confident in their assessment of the situation and their proposed solution. They were courteous in their interactions and also said that if their solution did not work then they would not charge us. The Town had informed us the previous day that they should be contacted first to come and shut off the Town end of the supply for any repair work. Willis was respectful of this request from us and waited patiently for half an hour for the Town to send their people. Willis suggested a replacement for our main water valve (which was very old and stuck), and also got our water supply back quickly. They also ensured that they had our new water heater turned on and running before leaving. We will not hesitate to contact Willis for any of our plumbing needs."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+22

Response time1 day
Response rate100%
Recommended by66%of homeowners
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