When your hot water runs out in the middle of a shower, you need someone you can actually count on. We provide dependable tankless water heater repair, installation, and replacement for homes and businesses across Marietta, GA. Whether you need a quick fix for a failing unit or a brand-new tankless water heater installation, we get there fast and help you every step of the way. Our trained technicians know plumbing inside and out, and they make sure your system stays up to code without the runaround.
Why Choose a Tankless Water Heater?
Choosing the right system depends on your household size, usage, and budget. Tankless water heaters heat water immediately without a storage tank, making them an excellent investment for many homes.
Endless Hot Water on Demand
A tankless water heater is activated the moment you require hot water, heating it instantly as it travels through the system. You never have to worry about running out of hot water again, even if you have back-to-back showers or are running the dishwasher at the same time.
Energy Efficiency and Lower Utility Bills
Because they only heat water when you need it, you’re not paying to keep a large tank hot 24 hours a day. Tankless water heaters can be up to 34% more efficient than storage water heaters, leading to significantly lower operating and energy costs over time.
Longer Lifespan Than Traditional Systems
Traditional tank water heaters usually last 8 to 12 years, while tankless units often last 15 to 20 years. This extended lifespan means you won’t have to worry about replacing your unit as frequently, adding long-term value to your home.
Space-Saving, Modern Design
Tankless water heaters save valuable space in your home. They are compact and wall-mounted, freeing up floor space in your basement, garage, or utility closet that a bulky traditional tank would otherwise occupy.
Signs You Need Tankless Water Heater Repair
Catching problems early prevents breakdowns and costly replacements. Watch for these warning signs so you can address minor issues before they turn into major plumbing emergencies.
Inconsistent Water Temperature
A sudden drop in temperature or fluctuating heat often points to a failing heating element, a broken flow sensor, or mineral buildup inside the unit. We run a camera through the line to find exactly where the blockage is, so we fix what’s broken and leave everything else alone.
Reduced Water Flow or Pressure Issues
Mineral buildup and plumbing restrictions affect water flow. Scale accumulates inside the pipes and the heat exchanger, restricting water flow and causing low pressure. If you notice a sudden drop in water pressure, it is time to have a professional flush the system before the blockage causes permanent damage.
System Error Codes or Shutdowns
Modern tankless water heaters have advanced control systems that display error codes when something isn’t functioning properly. These codes might indicate ignition failure, sensor malfunctions, or gas supply problems. If your unit shuts down unexpectedly, it is a clear indicator that maintenance or repair is necessary.
Mineral Buildup and Scaling Problems
Hard water causes minerals like calcium and magnesium to accumulate inside the heat exchanger over time. This scaling forces the system to push itself, reducing efficiency and potentially causing the unit to overheat. Regular descaling is the best way to keep your system running smoothly.
No Hot Water or Delayed Heating
If you turn on the tap and get no hot water at all, or if it takes an unusually long time to heat up, there could be an issue with the gas supply, ignition, or a blocked exhaust. We prioritize emergencies and get there fast to restore your hot water quickly. 
Professional Tankless Water Heater Services in Marietta
We offer full-service solutions tailored to residential and commercial needs. Our plumbers are licensed, insured, and trained to handle everything from minor repairs to full system installations.
System Diagnostics and Troubleshooting
First, we evaluate the issue and system condition. Then we find exactly where the problem is, so we only fix what’s broken. Our thorough diagnostic process ensures we never recommend unnecessary repairs or push you into a replacement you don’t need.
Tankless Water Heater Repair
We diagnose and fix issues with heating elements, flow sensors, valves, and leaks. Repair is often the right call when the system is relatively young, and the issue is limited to a replaceable component.
Descaling and Maintenance Services
Regular inspections help reduce sediment buildup, maintain efficiency, and extend your system’s lifespan. We recommend annual maintenance and flushing for optimal performance. A routine flush and checkup keep your warranty valid and ensure you never wake up to a freezing cold shower.
Component Repairs (Heating Elements, Valves, Sensors)
We carry the right tools and replacement parts to repair a wide range of components in your tankless unit. Whether it’s a faulty thermostat or a worn-out pressure relief valve, we handle the repair efficiently.
Emergency Tankless Water Heater Repair
We know that going without hot water disrupts your entire day, so we make every effort to provide same-day service whenever possible. Our dispatch team works to get a fully stocked truck to your door quickly.
New Tankless Water Heater System Installation
We handle installations for new homes, remodels, or upgrades. We ensure all pipes are upgraded to support your new water heater and that your unit is safely installed and complies with local codes.
Tankless Water Heater Replacement and Upgrades
We replace inefficient or failing units with modern systems. Upgrading to an energy-efficient model restores performance and significantly reduces long-term operating costs. We will help you select a unit that fits your household’s demand and budget, then handle the complete installation process from start to finish.
Our Tankless Water Heater Service Process
We set clear expectations with a transparent, step-by-step overview. From the moment you call us to the final handshake, we believe in honest communication. You will never be left wondering what we’re doing or how much it’ll cost.
Initial Inspection and Plumbing Diagnosis
We evaluate the issue and system condition. We find exactly where the problem is, so we only fix what’s broken. Our thorough diagnostic process ensures we never recommend unnecessary repairs or push you into a replacement you don’t need.
Transparent Recommendations and Pricing
We provide clear communication and no surprises. Before we begin work, you know exactly what to expect. We provide upfront, flat-rate pricing so you can make an informed decision with complete peace of mind.
Professional Installation or Repair
Our trained technicians deliver efficient, code-compliant workmanship. We arrive on time and treat your home with respect. We wear shoe covers, use drop cloths, and work diligently to minimize any disruption to your daily routine.
System Testing and Performance Check
We ensure proper heating and system functionality. Thorough performance testing guarantees your new water heater operates safely. We check all connections, verify the thermostat settings, and confirm the pressure relief valve is functioning exactly as it should.
Final Walkthrough and Maintenance Tips
We leave your home in the same condition we found it. A final walkthrough confirms everything is working properly before we pack up. We will also show you how to operate your new system and answer any questions you might have.
Why Choose Our Tankless Water Heater Services in Marietta?
We have been part of the Metro Atlanta community since 2005, and we are proud to give back to the neighborhoods we work in every day. When you hire us, you are supporting a local business that genuinely cares about the people we serve.
Licensed and Experienced Plumbers in Marietta
Journeymen and master plumbers are on staff, as are certified electricians. We know commercial plumbing inside and out. This deep bench of expertise means we can handle complex installations that require both plumbing and electrical work without needing to call in outside contractors.
Fast Response and Same-Day Service
We prioritize emergencies and get there fast. When a pipe bursts or the hot water runs out, you need someone you can actually count on. Our dispatch team works quickly to get a fully stocked truck to your door, minimizing damage and restoring your comfort.
Expertise in Tankless Water Heater Systems
We offer comprehensive Plumbing & Electrical services from a single trusted provider. One Crown. Two Trades. Total Care. You only need to make one phone call to handle all your home service needs, saving you time and frustration.
Honest Pricing and Financing Options
We offer a 15% discount for military personnel and first responders, 10% for senior citizens, and flexible in-house financing options. We believe everyone deserves access to safe, reliable hot water, which is why we work with you to find a payment plan that fits your budget.
Trusted Local Plumbing Company
We are deeply rooted in the Atlanta community, unlike large national chains or private equity roll-ups. We allocate 30% of net profits to charity through the Beach Road Foundation. Your choice to work with Majestic directly impacts local families and organizations in need.
Schedule Tankless Water Heater Service in Marietta, GA
Don’t let an outdated water heater be a source of aggravation. Call us today for speedy service and reliable hot water restoration. We help you handle emergencies as they arise. Get complete tankless water heater services in Marietta, GA, with Majestic Plumbing & Electric. Contact US
Frequently Asked Questions
Costs vary based on the unit size, fuel type, and any necessary plumbing or electrical modifications. We always provide a transparent, upfront quote before any work begins, so you’re never caught off guard by the final bill.
Tankless units often last 15 to 20 years. Regular maintenance, such as annual flushing and descaling, can help your system reach the higher end of its lifespan.
Yes, we recommend annual maintenance and flushing to ensure optimal performance and extend your unit’s lifespan. This is especially important in areas with hard water to prevent excessive mineral buildup.
Tankless water heaters offer energy efficiency, endless hot water, and long-term savings. They also save valuable space in your home. Because they only heat water when you need it, you’re not paying to keep a large tank hot 24 hours a day.
Yes, we replace inefficient or failing tank units with modern tankless systems. We ensure all pipes are upgraded to support your new water heater and that your unit is safely installed and complies with local codes.
A lack of hot water often points to a failed heating element, a broken flow sensor, or a disrupted gas supply. It could also be caused by mineral buildup restricting water flow through the heat exchanger.
Yes, we prioritize emergencies and offer speedy service to restore your hot water quickly. We know that going without hot water disrupts your entire day, so we make every effort to provide same-day service whenever possible.
We recommend flushing your tankless water heater once a year to remove mineral buildup and maintain efficiency. If you have particularly hard water, you may need to flush it more frequently.
4.7
