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Tankless Water Heaters Residential & Commercial Heating, Cooling & Air Quality Services

Atlanta Tankless Water Heater Installation

Dependable Tankless Water Heater Services in Atlanta

For the average Atlanta homeowner, water heaters are essential to everyday life. We rely on them for hot water in the kitchen, bathroom, and laundry room. When our water heaters break down, it can easily throw an entire day off balance. If a water heater leaks, it can lead to even more damage. Before rushing to replace your water heater, it's vital to consider all types of water heaters available. 

Tankless water heaters are one of the most convenient and energy-efficient options. These heaters provide heat as needed and generally take up less space in your home than traditional models. At Assured Comfort, our plumbers proudly offer tankless water heater installation in Atlanta and handle tankless water heater repair. We ensure every service, whether in Marietta, Peachtree City, or Woodstock, is priced fairly and always on time. Our prompt service helps limit disruption, allowing you to return to your daily routine with ease. 

When you call us about a tankless system, we start by talking through how your household uses hot water day to day. We look at things like how many showers may run at once, whether you have large soaking tubs, and how often you run appliances such as dishwashers and washing machines. This practical conversation helps us recommend equipment that fits real-world usage instead of offering a one-size-fits-all solution that might not keep up when you need it most.

Because we work in homes across the Atlanta area, we also factor in local building layouts and regional water conditions. Many older homes inside the Perimeter have tight mechanical rooms and limited venting options, which can influence which style of tankless unit will install cleanly and safely. Harder water in some suburbs may also call for additional scale protection to keep your new heater performing well over the long term. By walking you through these considerations up front, we help you make a confident choice that supports your household now and in the years ahead.

Need a tankless water heater installed in Atlanta? Call Assured Comfort at (770) 464-5745 or contact us online to schedule your appointment today!

Tankless Water Heater Services in Atlanta

Assured Comfort provides comprehensive tankless water heater services for Atlanta homeowners, ensuring reliable hot water, energy savings, and long-term performance. Our team works with all major brands, including Navien tankless water heaters, and offers professional guidance on choosing, installing, and maintaining the right system for your home.

Our services include:

  • Tankless Water Heater Installation – Professional installation of Navien and other high-efficiency models, matched to your household’s hot water needs, gas or electrical capacity, and preferred features.
  • System Replacement – Guidance on whether repair or replacement is the best option based on your unit’s age and condition, including proper sizing for optimal performance.
  • Repair & Troubleshooting – Resolve issues such as mineral buildup, ignition failures, temperature fluctuations, and error codes. We also check gas supply, venting, and water quality to prevent recurring problems.
  • Feature Setup & Maintenance Guidance – Walkthrough of system controls, safety procedures, and recommended maintenance to maximize efficiency and lifespan.
  • Warranty & Support Review – Explanation of manufacturer coverage and professional maintenance benefits to protect your investment.

With these services, we help you enjoy on-demand hot water, prevent costly problems, and make informed choices for your home’s comfort and efficiency.

What to Expect With Tankless Water Heater Replacement

Tankless water heater replacement ensures long-term reliability and energy savings. Our licensed plumbers handle the full process, from removing your old system to installing your new tankless unit, performing electrical or gas adjustments per code, and testing flow rates at showers, sinks, and appliances.

We also provide hands-on guidance post-installation, showing homeowners how to operate their new unit safely and maintain optimal performance. Our recommendations are always tailored—considering your home’s size, appliance usage, and number of occupants—so you get a system that truly fits your needs.

How to Know It's Time to Go Tankless

If you're unsure whether it's time to upgrade, here are common signs your home could benefit from a tankless system:

  • You frequently run out of hot water
  • Your current water heater is over 10–15 years old
  • Your energy bills keep climbing
  • You want to reduce your home’s environmental impact
  • You need more space in your utility area

Choosing a tankless system isn’t just about replacing old equipment—it’s an opportunity to modernize your home and gain long-term savings.

Tips for Maintaining Your Tankless Water Heater

Like any appliance, your tankless water heater requires regular upkeep to perform at its best. Here are expert tips to prolong its lifespan and prevent costly repairs:

  • Descale annually: Especially in areas with hard water, minerals can build up inside the unit.
  • Clean the filter: A dirty inlet filter can reduce water flow and strain the system.
  • Inspect the venting system: Make sure it’s clear of debris and securely installed.
  • Schedule annual maintenance: A professional checkup can spot issues early and optimize performance.
  • Check for error codes: If the unit displays error messages, don’t ignore them—consult your manual or call for service.

Staying proactive with maintenance can help you enjoy consistent performance and energy savings year-round.

Why Homeowners Choose Electric Tankless Units

  • Simpler installation: Electric tankless water heaters typically require less labor and fewer modifications during installation. There is no need for gas line upgrades or venting systems, which makes the process faster and potentially more cost-effective.
  • Lower upfront costs: Compared to gas-powered systems, electric models generally have lower equipment and installation costs, making them a budget-friendly choice for many homeowners.
  • Space efficiency: These units are often more compact than gas versions, allowing for flexible placement in smaller homes, apartments, or tight utility spaces.
  • Higher energy efficiency: Electric tankless water heaters tend to convert a greater percentage of energy into usable heat. Many models boast energy efficiency ratings of 95% or higher.
  • Minimal maintenance: With fewer moving parts and no combustion system, electric models typically require less maintenance and have fewer long-term service concerns.

For Atlanta homeowners looking for a clean, compact, and efficient water heating solution, electric tankless systems are an excellent fit—especially in homes that already use electricity as their primary energy source.

Benefits of Electric Tankless Water Heaters

When selecting a tankless water heater, one of the most important decisions is choosing the right fuel type for your home. If your property relies solely on electricity and lacks access to a natural gas line, an electric tankless water heater is often the most practical—and sometimes the only—option. Fortunately, electric models offer a wide range of benefits that go beyond compatibility.

In many Atlanta-area neighborhoods, particularly condos, townhomes, and communities built without natural gas service, electric tankless units allow homeowners to upgrade without major infrastructure changes. Because these systems do not require combustion air or flue piping, they can be placed in tighter interior spaces where venting a gas appliance would be difficult. When we evaluate your home, we review the existing electrical panel capacity and wiring to confirm that an electric model can be added safely, and we explain any recommended electrical upgrades so you know exactly what is involved before work begins.

Hear What Your Neighbors Have To Say

    "Incredible Service!"

    t was an electrical issue. Called yesterday (Sunday) and we have heat in less than 24 hours.

    Debbie M.
    "Punctual, Polite, and Informative!"

    I appreciate the extra they did and great clean up too! We are grateful for the work (and Heat). Please thank them by providing them with lunch??

    T C. B.
    "Highly Recommend!"

    I called assured comfort because my outdoor ac unit froze over on the pipes. I knew after that I had a leak in the coil because it happened at my old house too. When they came out they detected many leaks in the coil. And our system was from the 90s.

    Amanda L.
    "Amazing Service!"

    Assured Comfort gave amazing service! We had an emergency water leak in our ac unit and they helped us get it solved faster than we expected.

    Anne P.
    "Pleasant Experience!"

    Maria WOWs us each day, every day without exception. She makes things happen!

    James L.
    "Fantastic Business!"

    YES?? Chris and Jason were Fantastic. They was Punctual, Polite, and Informative!

    Debbie C.
    "Very Knowledgeable!"

    Scott is very knowledgeable.

    Pritam M.
    "Highly Recommend!"

    After receiving quotes from 5 different companies, I decided to go with Assured Comfort due to the fact that they seemed more professional and knowledgeable.

    Eternal W.

Ensure Comfort With Gas Tankless Water Heaters

Gas tankless water heaters offer fast, reliable hot water and are often more cost-effective to operate than electric units, especially for larger households. Many Metro Atlanta homes already have natural gas service, making installation straightforward. During a visit, we assess gas line size, venting, and placement, while accounting for seasonal water temperatures to ensure consistent performance year-round.

Regardless of your preference, Assured Comfort supplies both electric and gas water heaters to fit your specific needs. Assured Comfort has always had our community’s comfort and well-being at the forefront of everything we do. We offer leading plumbing repairs and tankless water heater installations across all of Metro Atlanta, including Decatur, Roswell, and Marietta, and the surrounding areas. By focusing on quality and customer satisfaction, we continue to be a trusted choice for water heater solutions in these communities.

We compare gas and electric tankless options so you understand costs, installation, and performance. By tailoring recommendations to your priorities—whether fast recovery or minimal utility changes—we help you choose a system that fits your home and lifestyle.

Our track record of 5-star reviews and repeat customers reflects our commitment to quality service. From first consultation to final inspection, we are here to make your transition to a tankless system straightforward and hassle-free.

Looking for tankless water heater services in Atlanta? Contact us to schedule your tankless water heater service today.

Frequently Asked Questions

What are the signs my tankless water heater needs to be repaired?

  • Lack of hot water
  • Rusty or cloudy water
  • Low water pressure
  • Water that smells or tastes unusual
  • Loud, strange water heater noises

Do tankless water heaters need to be maintained?

Yes, tankless water heaters require regular maintenance. This typically involves flushing the unit to remove mineral buildup and cleaning filters to support optimal performance. Annual professional inspections are also recommended to identify and address potential issues. Consistent maintenance not only extends the lifespan of your unit but also improves efficiency, which can lower your energy bills over time. Comprehensive service packages can provide peace of mind by supporting reliable hot water year-round.

How long do tankless water heaters last?

Tankless water heaters can last anywhere from 15 to 20 years or potentially even longer with proper maintenance and operation. This is significantly longer than traditional tank water heaters, which typically last 10–12 years. Regular maintenance, such as cleaning and flushing the unit, can help extend its lifespan. Investing in a tankless water heater can be a smart choice for the long term, providing sustained comfort and savings. With consistent maintenance, your system can continue to operate at a high level, supporting a steady supply of hot water whenever you need it.

Are tankless water heaters more expensive?

Tankless water heaters typically have a higher upfront cost compared to traditional tank water heaters. However, they often offer long-term savings due to their energy efficiency. The initial investment can be offset by lower utility bills and potential tax credits or rebates. By understanding the full cost picture, including incentives and energy savings, homeowners can make an informed decision about whether a tankless system aligns with their financial and energy needs. Additionally, financing options are often available that can spread the initial costs over manageable monthly payments, making this advanced technology accessible to a broader range of households.

What is the ‘cold water sandwich’ effect?

The cold water sandwich effect is a common occurrence with tankless water heaters. When you first turn on the hot water, you may initially experience a burst of warm water. As the tankless water heater begins heating the incoming cold water, a brief period of cooler water may follow. Once the water heater has warmed the incoming water, the hot water flow will resume. This temperature fluctuation is a normal characteristic of tankless water heaters and does not necessarily indicate a problem. It is a tradeoff for the energy efficiency and on-demand hot water that tankless water heaters provide. By understanding this phenomenon, users can better manage their expectations and adjust their usage patterns accordingly, benefiting from efficient and reliable hot water delivery.

How does climate affect tankless water heater performance in Atlanta?

Atlanta's climate can have an impact on the performance of tankless water heaters. During colder months, the incoming water temperature is lower, which may cause the heater to work harder to reach the desired hot water temperature. This means systems must be correctly sized to meet higher demands during winter months, and installations should account for fluctuating water temperatures to support consistent performance.

At Assured Comfort Heating, Air & Plumbing, we consider these seasonal variations when recommending tankless water heater options to our customers. Our installations include assessments of local climate impacts, which helps your system deliver consistent hot water even during the coldest days of the year. Additionally, energy-efficient models with capacity modulation are often advised to help maintain steady performance and regulate energy usage effectively.

Is there any noise concern with tankless water heaters?

Noise levels from tankless water heaters can vary based on the location of installation, model type, and settings. Generally, tankless systems are quieter than traditional tank models, but they might produce sound during heavy use when the burners ignite or water flows through the unit. Placement in a well-ventilated area away from main living spaces can help limit potential noise disturbance.

Assured Comfort Heating, Air & Plumbing advises customers on placement strategies to support minimal noise impact while maintaining efficiency. There are also models designed specifically for quieter operation to suit urban apartments and houses with sensitive noise requirements. With thoughtful planning, you can enjoy the benefits of a tankless system without worrying about distracting sounds in your home.

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