Tankless Water Heater Installation in Roswell, GA
Experience continuous hot water with a new tankless water heater installed by HGR Plumbing in Roswell, GA.
- Descaling Valves Installed
- Gas Line Upgrades Handled
- Licensed & Insured
- Prompt, Reliable Installation
Switch to Tankless Hot Water in Roswell, GA.
Our licensed plumbers are ready to provide a precise and professional tankless water heater installation.
Expert Tankless Water Heater Installation in Roswell, GA
For reliable tankless water heater installation in Roswell, GA, trust HGR Plumbing. Our licensed plumbers make sure your new system is sized correctly and installed to all local plumbing codes, giving you years of efficient hot water.
Our expertise includes:
- Gas line upsizing and meter capacity checks for high BTU demand
- Code-compliant electrical and water line connections.
- Professional venting and gas line hookups.

Additional Plumbing Installation Services in Roswell, GA
We install water heaters, pumps, lines, and fixtures across Roswell, GA with careful, permitted work that passes inspection the first time.

Customers
Why Choose HGR Plumbing for Tankless Water Heater Installation in Roswell, GA?
Our installers follow manufacturer requirements so your warranty stays intact. We also show you how to flush the unit and set a maintenance reminder.
- Energy Efficiency, Tankless units heat water only when needed, which can lower your utility bills compared to traditional storage tanks.
- Energy Savings, Tankless units only heat water as needed, which can noticeably reduce your energy bills compared to traditional tank heaters.
- Longer Lifespan, Tankless water heaters usually last longer than conventional models, offering a better long-term investment.
Citywide Coverage
HGR Plumbing serves every neighborhood in Roswell and the surrounding communities for tankless water heater installation. Whether you are in the city center or on the outskirts, our team is ready to provide prompt and professional service.
Experienced Team
Every technician at HGR Plumbing is committed to ongoing education, staying current with advances in tankless technology and local plumbing codes. This training supports a safe, reliable and high-performing installation.
Safety-First Approach
We pressure test new gas piping, check gas pressure under full load and confirm every joint is tight. Permits and inspections are handled for each tankless installation.
Trusted Certified Roswell Plumbing Services Professionals
At HGR Plumbing, we take pride in providing licensed, certified plumbing services throughout Roswell, GA. Backed by recognized industry credentials, our experienced plumbers combine technical skill with genuine customer care. Whether it is repair, installation, or maintenance, we follow strict safety and quality standards to deliver lasting results you can trust.
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PHCC Plumbing Contractor Recognition
Better Business Bureau (BBB) Accreditation
Angi Certified Pro
ISO 9001 Quality Management CertificationEfficient Tankless Water Heater Installation Services in Roswell, GA
Navien Tankless Water Heater Installation in Roswell
Navien is a leading brand known for its advanced condensing technology and strong energy efficiency. HGR Plumbing is skilled in the precise installation of Navien units in Roswell homes, setting them up for the best savings and comfort. These sophisticated systems require expert setup to work at their best, and our team is proficient in all Navien models.

Propane Tankless Water Heater Installation in Roswell
Many homes outside natural gas service areas rely on propane. HGR Plumbing is experienced in installing propane tankless water heaters, which require specific gas line sizing, regulator adjustments and venting. We make sure your propane system is installed correctly for the best efficiency and safety, providing reliable hot water for your Roswell residence.
Upgrading from Tank to Tankless in Roswell, GA
Making the switch from a traditional tank water heater to a tankless system involves more than simply swapping units. It often requires changes to gas lines, electrical wiring and venting. HGR Plumbing manages all aspects of this conversion, making sure all upgrades meet current codes and your new tankless unit performs at its best, giving you a modern hot water solution in Roswell, GA.
Residential Tankless System Upgrades in Roswell
Upgrading your traditional hot water tank to a tankless system in Roswell can noticeably improve efficiency and comfort. We assess your home's hot water demands, existing plumbing and utility connections to recommend the best tankless model for your household size and usage patterns. Our team manages the entire conversion, including the safe removal and disposal of your old water heater, minimizing disruption to your daily routine.
Tankless Water Heater Relocation in Roswell
Sometimes the ideal spot for a tankless water heater is not where your old tank was located. For homeowners in Roswell looking to free up space or improve access, HGR Plumbing offers professional tankless water heater relocation. This can involve rerouting gas or water lines and possibly electrical work, all handled with care and to local codes by our experienced team.
Commercial Tankless Water Heater Installation in Roswell
Businesses often have higher and more consistent hot water demands than homes. HGR Plumbing provides commercial tankless water heater installation, sizing systems to meet the needs of restaurants, salons or other commercial spaces. We understand the value of minimal disruption to your operations during installation, providing a quick and professional setup in Roswell.
Cost-Effective Tankless Conversions in Roswell, GA
While the initial cost of a tankless water heater installation in Roswell, GA may be higher than a traditional tank, the long-term energy savings and longer lifespan often make it a more cost-effective solution. We provide detailed estimates, outlining the benefits and available rebates, to help you make an informed decision for your home. Our installations are designed for top efficiency, putting money back in your pocket.

Tankless Water Heater Replacement in Roswell, GA
If your old tankless unit is failing or you are upgrading from a traditional tank, HGR Plumbing offers smooth tankless water heater replacement. We carefully remove the old unit, make any necessary adjustments to plumbing and venting and install your new, more efficient model. Our goal is to make the transition as smooth as possible, ensuring continuous hot water in your Roswell, GA home.
Tankless Water Heater Installation Near Me in Roswell, GA
When you search for 'tankless water heater installation near me' in Roswell, GA, HGR Plumbing is your reliable local choice. We know the local plumbing and building codes thoroughly, so every installation is done right the first time.
Our local presence means faster response times and a commitment to serving our neighbors in Roswell. You can trust HGR Plumbing to provide prompt, professional and courteous service for all your tankless water heater needs, right in your neighborhood.
HGR Plumbing at a Glance
- Fully licensed plumbing team covering Roswell, GA
- 24/7 emergency service with same-day scheduling
- Upfront, flat-rate pricing before work begins
- 4.9-star rated by 357+ Georgia customers
Roswell Map
Roswell Information
- Population
- 91,706
- Area codes
- 770/470/678
- Service area
- Roswell and communities within 40 miles
- Nearby
- Alpharetta, Dunwoody, Sandy Springs, Johns Creek
Installing a tankless water heater in Roswell, GA can significantly boost energy efficiency and provide endless hot water, a valuable upgrade for homes dealing with hard water and changing seasonal demand.
Expert Services
Trust our professionals for reliable HGR Plumbing solutions in Roswell, GA.
Our Specialized Plumbing Services in Roswell, GA
At HGR Plumbing, we provide a complete range of plumbing services across Roswell, GA. From leak detection to full system installations, our team ensures fast, precise, and affordable service for both residential and commercial properties. Explore our core services below:
Our Process for Installing Tankless Water Heaters in Roswell, GA
Our tankless water heater installation process in Roswell is designed to be simple and efficient, from your first call to enjoying endless hot water.
Request a Quote
Call (770) 470-3778 to schedule a site visit. We assess your fixtures, gas supply and venting options, then give you a detailed quote.
Install and Upgrade
We remove your old heater, upsize gas lines if needed and mount the new unit. Venting, water connections and isolation valves are installed to manufacturer specs.
Test and Train
We fire the unit, check gas pressure and test hot water at several fixtures. Then we show you how to flush the system and register your warranty.
Frequently Asked Questions About Tankless Water Heater Installation in Roswell
The cost of tankless water heater installation in Roswell usually ranges from $2,500 to $4,500, including the unit and labor. This can vary based on the model, fuel type (gas or electric) and any needed upgrades to your gas lines or electrical panel. We provide a detailed, upfront quote after an on-site assessment.
While it may seem appealing, tankless water heater installation is complex and should only be performed by a licensed professional. It involves gas lines, high-voltage electricity, water connections and intricate venting systems, all of which require specialized knowledge and adherence to safety codes. Incorrect installation can be dangerous and cancel warranties.
Yes, a permit is usually required because the job involves gas, venting and water connections. We pull the permit and schedule the inspection.
To maintain efficiency and extend the lifespan of your tankless unit, annual flushing to remove mineral buildup is recommended, especially in areas with hard water. Checking and cleaning the air filter (for gas models) and inspecting connections are also part of regular maintenance. HGR Plumbing offers complete maintenance services.
Many manufacturers offer 10 to 15 year heat exchanger warranties and shorter coverage on parts. We also guarantee our installation labor.
A straight replacement takes four to six hours. Tank to tankless conversions with gas and venting changes typically take a full day.
Tankless units eliminate standby heat loss, which can reduce water heating energy use. Savings vary based on household size and usage habits.
Signs you might need a new water heater, tankless or otherwise, include a lack of hot water, rust-colored water, strange noises from the unit or frequent leaks. For tankless systems in particular, frequent error codes or a noticeable drop in hot water flow could point to a need for service or replacement.
What People Are Saying About Our Plumbing Experts?

Emily R.
I called HGR Plumbing for plumbing repair, and the technician was fast, polite, and thorough. They explained the problem clearly and fixed it the same day. I will definitely hire them again. Highly recommended!
Plumbing Repair · Dunwoody, GA
Daniel K.
A pipe burst at 11 pm and they actually answered. The plumber showed up within the hour, shut everything down, and had us back to normal the next morning. Could not ask for more.
Emergency Plumbing · Alpharetta, GA
Laura S.
I scheduled a water heater replacement, and the team made the process smooth and affordable. The new unit works perfectly, and they cleaned up after completing the job.
Water Heater Replacement · Roswell, GA
James P.
Our commercial plumbing system had a leak under the sink, and HGR Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Alpharetta, GA
Sofia M.
Two new toilets installed in one visit, no mess left behind, and the tech even adjusted a faucet he noticed was dripping. Fair pricing and really friendly.
Toilet Installation · Brookhaven, GA
Robert G.
The trenchless sewer replacement saved our front yard. They walked us through the camera inspection footage first so we knew exactly what we were paying for.
Sewer Line Replacement · Johns Creek, GA













