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Top-Rated Tankless water heater installers in Dale City - Updated Nov 2026

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

Serving Dale City, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"Fred's Plumbing installed two 50-gallon hot water heaters and expansion tanks and replaced an instant hot. His people were very skilled and workmanship showed it. Best plumber I have used in many years and will continue to use Fred's Plumbing. Fred was professional and the estimate which he gave me was the actual cost. I highly recommend Fred's Plumbing in Fairfax, VA."
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 Dale City, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"I worked with Tyler from SwiftPro and had a great experience with installing a new heating and cooling system in my apartment. Moises and Oscar did the install and did a great job protecting my apartment and doing a professional installation. I highly recommend them for your hvac and plumbing needs!"
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 Dale City, 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%
5 neighbors recently requested a quote
Avatar for DB's Plumbing & Drain
DB's Plumbing & Drain
4.8(
194
)
Tankless Water Heater - Install

Serving Dale City, VA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"I can't say enough about DB's Plumbing. I called in the morning, had a return call within hours and they were at my house that night. 24 hours later, the new hot water heater was installed! Price beat all others. Duncan was professional and knew exactly what he was doing. DB Plumbing is now my GO TO PLUMBER!"
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 Dale City, 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%
565 neighbors recently requested a quote
Avatar for Snell Heating & Air Conditioning, LLC
Snell Heating & Air Conditioning, LLC
4.6(
255
)
Tankless Water Heater - Install

Serving Dale City, VA and surrounding areas

Approved

In business since 1972

Free estimates

Emergency services offered

"Had a surprise when workmen showed up unannounced the day after I signed the contract. Once we rescheduled the installation date and time, things went very smoothly. The installation of the furnace, AC, and hot water heater took less than a day. I'm very happy with the results."
Snell Plumber Kitchen
Snell Tech Water Heater
1 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Home Service Pros
Home Service Pros
4.9(
14
)
Tankless Water Heater - Install

Serving Dale City, VA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Albert and Joseph provided truly exceptional service during their visit to my home. Albert first installed my kitchen faucet and food processor, and then, both came back to install a water heater with remarkable professionalism, care, and efficiency. From the moment they arrived, they were responsive, respectful, and incredibly warm. They took the time to explain my options, helped me feel at ease, and ensured I understood why the water heater they recommended was the best choice on the market. On top of that, they went above and beyond by fixing a separate issue in my shower without hesitation. Their dedication, expertise, and kindness made the entire experience outstanding. I am deeply grateful for their work and highly recommend them."
Completed sewer lateral repair.
Completed sewer lateral replacement that required a VDOT street cut.
Excavating sewer lateral for repair. Trust the process.
Completed sewer lateral installation.
Installation of new gas water heater.

+6

Recommended by16%of homeowners
Avatar for R Plumber, LLC
R Plumber, LLC
4.4(
258
)
Tankless Water Heater - Install

Serving Dale City, VA and surrounding areas

Approved

In business since 1998

Emergency services offered

Warranties offered

"Rene, the owner of R-Plumber arrived on time for a Saturday project evaluation and did a thorough professional review. He offered reasonable suggestions about the scope of work, and noted that two of the apparent problems were actually not in need of repair. He was immediately likeable, and although his cost estimate was in the middle I hired him. His assistant Luis worked well through the day, doing a great job on the water heater and disposal install, and although the 45 year-old bathtub faucet replacements took a lot more work than expected there was no complaint or request for additional money. I will use him for future plumbing needs."
Here we are!!!
Plumbing Ground Work
Lavatory Rough-in
One shower with 2 valve
Broken Sewer pipe

+59

Response time6 hrs
37 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Air Force One Heating & Cooling
Air Force One Heating & Cooling
5.0(
11
)
Tankless Water Heater - Install

Serving Dale City, 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
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