

Get matched with top tankless water heater installers in Fairfax, VA
Enter your zip and get matched with up to 3 pros
Matching on HomeAdvisor
Find Tankless water heater installers in Fairfax


Angi Approved
In business since 1983
Free estimates
Emergency services offered
"John was very responsive, prompt, and fair with competitive pricing. I will call him for future needs and recommend to neighbors and friends."

Angi Approved
Super Service Award Winner
In business since 2014
Free estimates
Warranties offered
"Smooth project, gave good advice after assessing my needs. Efficient replacement, reasonable cost."

Angi Approved
Super Service Award Winner
In business since 2024
Free estimates
Emergency services offered
"The Company is untrustworthy with their Prices. They offer no detailed Invoice, and their charges are A LOT more expensive than other Companies, to the point where I had to file a formal complaint with the BBB. Never again."

Angi Approved
In business since 1997
Free estimates
Customers say: Terrific value
"Handy1 provided an excellent workmanship and customer services for installing Gas Tankless Water Heater at our house. Their price was very competitive and the proposed Tankless product was superior to others in the market. The owner, Mel Hall, is a great person to have a business with; he is always reachable on the phone, most of the time on the first ring, very focus on customer satisfactions. We are extremely happy with the work and the water heater. Highly recommend Handy1."

Angi Approved
In business since 1976
Free estimates
Emergency services offered
"At first, I thought it was a burst pipe from the week + freezing temperatures but I needed a garbage disposal replacement. They were very responsive. Codey, the technician, was very polite and professional. I was referred by a neighbor who has used them for years. I am very pleased with their service. Mary Collins"

Angi Approved
In business since 2023
Free estimates
Emergency services offered
"They were the first to come out to provide an estimate. They did the work without my approval. The tenant may have "approved" them to complete the work."

Angi Approved
In business since 1949
Free estimates
Emergency services offered
"Great service very prompt and easy to work with."

Angi Approved
In business since 2025
Free estimates
Warranties offered
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs.\nIt is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project.\nIn order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer \nin a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Angi Approved
In business since 1972
Free estimates
Emergency services offered
"Customer service is always great, appointments easy to make quickly, all technitions are knowledgeable, respectful and answer my questions thoroughly. They arrive on time and call when they are on their way. Prices are comparable and coupons make them lower."
The Fairfax, VA homeowners’ guide to tankless water heater installations
From average costs to expert advice, get all the answers you need to get your job done.

Understand what goes into installing a sewer line, including materials, labor, permits, and potential landscaping considerations, to ensure a smooth and compliant connection to your local sewer system.

Discover the cost of slab leak repair, taking into account factors such as repair type, inspection fees, and local labor rates.

Budget for bathtub replacement costs based on factors such as bathtub type, material, removal, hardware, labor, plumbing work, and more.

Budget for main sewer line clog repair costs based on factors such as cleaning method, sewer age, project complexity, permits, labor, and more.

Need to clean your drain? Here’s how much it costs, what factors affect cost, and what to expect.

Use this guide to budget for toilet repair costs based on factors such as problem type, replacement part prices, labor, and more.
- Plumbing - Multiple Projects
- Shower Pan Install
- Plumbing for a Remodel or Addition - Install
- Plumbing Item Repair
- Water Heater - Repair or Service
- Sink Repair
- Steam Shower - Install
- Faucet Install or Replace
- Walk In Tub - Install or Replace
- Drain Repair
- Shower Install or Replace
- Pipe Repair
- Drain Line Breakage - Camera Locate
- Water Main - Install, Replace or Repair
- Sump Pump - Repair or Replace
- Drain Clog or Blockage - Clear
- Sewer Main - Clear
- Faucets, Fixtures and Pipes - Repair or Replace
- Plumbing Item Installation
- Sink Installation
- Pipe Installation
- Faucet Installation
- Toilet Install or Repair
- Whirlpool Bathtub Install or Replace
- Plumbing Multi-Item Installation
- Water Heater - Install or Replace
- Sewer Main - Install, Replace or Repair
- Drain Installation
- Plumbing Multi-item Repair
- Toilet Installation
- Bathtub Install or Replace
- Sump Pump or Interior Foundation Drains - Install
- Birmingham
- Phoenix
- Tucson
- Fresno
- Long Beach
- Los Angeles
- Modesto
- Sacramento
- San Diego
- San Francisco
- San Jose
- Denver
- Hartford
- Washington DC
- Fort Lauderdale
- Jacksonville
- Miami
- Orlando
- Tampa
- Atlanta
- Chicago
- Indianapolis
- Louisville
- New Orleans
- Baltimore
- Boston
- Detroit
- Grand Rapids
- Minneapolis
- Saint Paul
- Kansas City
- Saint Louis
- Las Vegas
- Albany
- New York
- Asheville
- Charlotte
- Greensboro
- Raleigh
- Winston Salem
- Cincinnati
- Cleveland
- Columbus
- Oklahoma City
- Portland
- Harrisburg
- Philadelphia
- Pittsburgh
- Providence
- Memphis
- Nashville
- Austin
- Dallas
- El Paso
- Fort Worth
- Houston
- San Antonio
- Salt Lake City
- Norfolk
- Richmond
- Virginia Beach
- Seattle
- Madison
- Milwaukee