Can I get a tankless for an outdoor wall install?

Yes. Several manufacturers (Rinnai, Noritz, Rheem) make outdoor-rated units that mount on an exterior wall, which can save indoor space and simplify venting. They are usually a great fit for slab homes where the existing water heater is in a tight closet. Some operating temperature considerations apply, but outdoor units handle Atlanta winters fine.

Will a tankless work with my existing recirculation system?

It depends. Some tankless units have built-in recirculation pumps and dedicated lines that work great. Others need a small external pump and a crossover valve. A few older recirc loops need to be rebuilt to work properly with tankless. We figure this out during the site walk.

Do you offer financing on tankless installation?

Yes. We have financing options that start from $52.94 a month for qualified customers, depending on the unit and the install scope. The monthly payment numbers are part of the written quote so you see the all-in cost before you decide.

Atlanta’s #1 Plumbing & Septic Company Since 1974

Tankless Water Heater Installation in Atlanta, GA

Tankless water heater installation, tank-to-tankless conversion, and annual maintenance for Metro Atlanta homes and businesses. Rinnai, Rheem, Bosch, Noritz, Navien, A.O. Smith. Financing from $52.94 a month. Honest sizing and gas line evaluation up front.

Tankless Installation

Tank-to-Tankless

Annual Descaling

Tankless Repair

4.7 Google Rating
BBB Accredited
Google Guaranteed
PHCC Member
Since 1974
Licensed & Insured
24/7 Emergency

Ready to get started? Schedule Service Today →

Atlanta’s #1 Plumbing & Septic Company Since 1974

Atlanta Tankless Water Heaters: Everything Your Home Needs

Full-service tankless installation and service for Metro Atlanta homes and businesses, available 24 hours a day, 7 days a week.

Reliable, Licensed Atlanta Tankless Service, Available Around the Clock

Our background-checked Atlanta tankless technicians arrive on time, explain every job upfront, and back their work with a warranty. No surprise charges. No shortcuts. Just honest tankless service from a company Metro Atlanta homeowners have trusted since 1974.

A tankless system done right gives you endless hot water, frees up a closet or garage corner, runs 24 to 35 percent more energy-efficient than a tank, and typically lasts longer (20 plus years versus 8 to 12 for a traditional tank). A tankless system done wrong gives you fluctuating temperatures, weak shower flow, and a unit that locks out on cold mornings. The install matters as much as the unit.

We evaluate gas supply, electrical capacity, venting path, and your real hot water demand before we recommend a unit and a model size. If tankless is not the right fit for your home, we tell you that up front and walk you through a high-recovery tank option instead. Flat-rate written quotes. Financing from $52.94 a month. Licensed in Georgia (J102723 / MP209550).

Residential Plumbing

Trusted Metro Atlanta plumbing for your home, from emergency repairs to full system upgrades, backed by 50+ years of local experience.

Septic Services

Rated #1 Septic Tank Service in Metro Atlanta. Pumping, inspection, repair, and maintenance from licensed local pros.

Commercial Plumbing

Reliable commercial plumbing that keeps your Atlanta business running without interruption.

Leak Detection

Pinpoint hidden leaks the first time with thermal imaging, acoustic amplifiers, and Aquaphon A200. No jackhammers, no guesswork.

Residential Plumbing

Expert plumbing solutions for your home, from routine repairs to complete system upgrades.

Septic Services

Rated #1 Septic Tank Service in Metro Atlanta — pumping, inspection, repair, and maintenance.

Commercial Plumbing

Reliable commercial plumbing that keeps your Atlanta business running without interruption.

Leak Detection

Advanced thermal imaging and Aquaphon A200 technology to find hidden leaks fast — at no charge.

Atlanta’s #1 Plumbing & Septic Company Since 1974

We Make Tankless Actually Work

Our licensed Atlanta technicians evaluate gas supply, venting, and real hot water demand before we recommend a unit, so the system you buy actually performs the way the brochure says.

How Atlanta Tankless Installation Works

01

Evaluate

We walk through your home and review real hot water demand, current gas or electrical service, existing vent path, and code requirements. You get a written recommendation.

02

Install

We pull the permit, remove the old tank if it is a conversion, run new gas line or electrical if needed, install the tankless unit, run stainless venting per spec, and connect water lines.

03

Commission

We pressure-test the gas line, fire the unit, check temperature rise at multiple fixtures, and verify flow rate. Every install is registered with the manufacturer in your name.

Atlanta’s #1 Plumbing & Septic Company Since 1974

The Educated Plumber™ Difference

We don’t just fix plumbing in Atlanta. We educate our customers so they can protect their home for the long term.

24/7 Emergency Service

Day or night, our Atlanta plumbers are on call for plumbing emergencies across Metro Atlanta. No overtime charges, ever.

50+ Years Serving Atlanta

Family-owned and operated since 1974, trusted by generations of Atlanta homeowners and businesses.

3-Year Septic Warranty

We back our septic work with one of the strongest warranties in Metro Atlanta. Your investment is fully protected.

100+ Hours Annual Training

Every Delta technician completes extensive continuing education each year on the latest equipment, methods, and Georgia plumbing codes.

Honest Tankless Sizing

We evaluate gas supply, venting, and real hot water demand before we recommend a unit. If tankless is not the right fit, we tell you up front and walk you through a high-recovery tank instead.

5% Hero Discount

Educators, seniors, first responders, and military personnel all receive a 5% discount on every service as our thank you.

Customer Reviews

What Atlanta Homeowners Say

Brandon came out super fast and took care of the problem right away. Very professional, friendly, and personable. Will definitely be calling Delta for any future plumbing needs!

Marcus T.

Stockbridge, GA

Google

Delta has been our go-to for years. Honest, reliable, and the team really knows their stuff. They found a slab leak two other companies couldn’t even locate. Wouldn’t trust anyone else.

Jennifer R.

McDonough, GA

Google

"

Called at 11pm for a burst pipe and they were at my house within the hour. Truly 24/7 service. The technician was knowledgeable, clean, and got everything fixed fast. Highly recommend!

David K.

Fayetteville, GA

Google

Atlanta’s #1 Plumbing & Septic Company Since 1974

More Reasons to Choose Delta

5%
Off

Hero Discount

5% off for educators, seniors, first responders & military personnel — our way of saying thank you.

Financing Available

Flexible payment options so you can get the service you need without the financial stress.

Tankless Financing From $52.94/mo

Financing makes a tankless install approachable for qualified customers. The monthly payment numbers are part of the written quote so you see the all-in cost before you decide.

Atlanta’s #1 Plumbing & Septic Company Since 1974

Serving 50+ Metro Atlanta Communities

From Stockbridge to Alpharetta, our licensed technicians cover the entire Atlanta metro area with fast response times.

Atlanta

Stockbridge

McDonough

Fayetteville

Jonesboro

Decatur

Conyers

Peachtree City

Marietta

Roswell

Alpharetta

Johns Creek

Dunwoody

Tucker

Lilburn

Covington

Atlanta’s #1 Plumbing & Septic Company Since 1974

Serving 50+ Metro Atlanta Communities

From Stockbridge to Alpharetta, our licensed technicians cover the entire Atlanta metro area with fast response times.

Atlanta

Stockbridge

McDonough

Fayetteville

Jonesboro

Decatur

Conyers

Peachtree City

Marietta

Roswell

Alpharetta

Johns Creek

Dunwoody

Tucker

Lilburn

Covington

Atlanta’s #1 Plumbing & Septic Company Since 1974

Serving 50+ Metro Atlanta Communities

From Stockbridge to Alpharetta, our licensed technicians cover the entire Atlanta metro area with fast response times.

Atlanta

Stockbridge

Lilburn

Fayetteville

Jonesboro

Decatur

Conyers

Marietta

Covington

Roswell

Tucker

Fayetteville

Dunwoody

Alpharetta

Peachtree City

Johns Creek

Have Questions?

Tankless Water Heater Frequently Asked Questions

Everything you need to know about tankless water heaters and plumbing services at Delta Plumbing.

Is tankless really worth the upgrade cost?

For a lot of Atlanta homes, yes, but not all of them. Tankless makes the most sense when you have multiple bathrooms running at the same time, an older tank that is failing anyway, high hot water demand, or limited utility room space. Energy savings of 24 to 35 percent over a tank, longer service life (20 plus years), and endless hot water add up over time. For a single bathroom home with one or two people, the payback is slower and a high-recovery tank can be a better value.

How long does a tankless water heater last?

Properly installed and maintained, 20 plus years is reasonable. Some units run 25 plus. A traditional tank usually lasts 8 to 12 years in Metro Atlanta water. The longer service life is a big part of why tankless can pencil out on total cost over time even when the upfront install costs more.

Will a tankless really give me endless hot water?

Only if it is sized correctly for your home. A unit that is too small for your peak demand will lower the temperature or limit flow when too many fixtures run at once. The classic mistake is putting a single mid-size tankless in a four-bathroom home and finding out on Christmas morning that it cannot do two showers and a dishwasher at the same time. We size to your real peak demand, not to a brochure number.

Will I need to upgrade my gas line for a tankless?

Often, yes. Most residential gas lines are sized for a 40,000 BTU tank water heater. A whole-home gas tankless typically needs 150,000 to 199,000 BTU, which means a larger gas line from the meter to the unit. We check this during the site walk. If an upgrade is needed, it is included in the written quote so you see the real total cost before you decide.

How long does tankless installation take?

A straight tankless replacement (tankless to tankless, same fuel) is usually a same-day job. A tank-to-tankless conversion is typically one day, sometimes two if gas line work or significant venting is needed. We give you a real timeline before we start.

Do tankless water heaters need maintenance?

Yes. Annual descaling is the big one. Atlanta water has enough mineral content that scale builds up on the heat exchanger over time, and a scaled unit lowers efficiency and can lock out. A maintenance visit, which is short and clean, keeps the warranty intact and keeps the unit running like new. We can set up a yearly reminder.

What brands of tankless do you install and service?

Rinnai, Rheem, Noritz, Bosch, Navien, and A.O. Smith are the most common. We service warranty work on all of them. We have strong opinions about which model fits which house, and we are happy to walk you through them. We do not push one brand because of a contractor incentive.

Can a tankless replace my tank in the same spot?

Usually, yes. Tankless units are much smaller than tanks and can mount on the wall where the tank used to sit, freeing up most of the closet. Venting and gas line may need to be rerouted. We handle all of that.

Are your tankless installations permitted and inspected?

Yes. Tankless water heater installs require a plumbing permit and often a gas permit in most Metro Atlanta jurisdictions. We pull the permit, schedule the inspection, and make sure the install passes. We do not skip this step. Permits protect you on resale and on insurance claims.

Schedule Service Today!

Family-owned and operating since 1974. Serving Metro Atlanta with trusted, licensed plumbing and septic services around the clock.

GA License: J102723 · MP209550

Tankless Water Heater Installation in Atlanta, GA

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