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Tankless Water Heaters For Your Home

Tankless water heaters are crucial for hot water in homes. When it breaks, it’s a hassle. Whether it’s a sudden cold shower or high bills, you need professional water heater services. At Cardinal Plumbing, we fix plumbing issues fast. Our team knows how to handle any issue, no matter the brand.

Whether you’re dealing with inconsistent water temperature, a lack of hot water, or strange noises coming from your water heater, we have the solution. Our skilled technicians efficiently diagnose any HVAC issues. With advanced methods and tools, we’ll install, replace, or repair tankless water heaters to restore your hot water. Count on us to keep your water heater operating smoothly and efficiently.

Keep the Heat Flowing in Your Home Today!

Indications You’re In Need of Professional Services

Are you noticing signs of trouble with your water heater? Don’t overlook these warning signals! Here are some common signs you need to call for to inspect, install, replace, or repair tankless water heaters and what they could mean for your home’s comfort:

Inconsistent Hot Water

Inconsistent Hot Water

Fluctuations in water temperature or sudden bursts of cold water during showers are clear indicators of a problem with your heater. Addressing this issue promptly with an inspection or tankless water heater repair can restore consistent hot water flow.

Strange Sounds

Strange Sounds

Decreased water pressure can be a sign of various plumbing issues, such as mineral buildup in pipes, leaks, or a problem with the water supply line. Fix low water pressure promptly to avoid more plumbing damage.

Error Codes

Error Codes

New tankless hot water heaters often display error codes to indicate problems. If you notice any error codes on your unit’s display, it’s crucial to have a professional technician diagnose and resolve the issue.

Water Leaks

Water Leaks

Any signs of water leakage around your tankless water heater, including puddles or damp spots, should be addressed immediately to prevent water damage and mold growth.

Reduced Efficiency

Reduced Efficiency

A noticeable increase in your energy bills without a change in usage patterns could indicate decreased efficiency in your tankless water heater. Having it serviced can help restore its performance and save on energy costs.

Foul Odors

Foul Odors

If you detect unusual smells, such as a rotten egg odor, coming from your hot water taps, it could be a sign of bacterial growth in the unit. Professional cleaning and maintenance can eliminate the odor and ensure safe water quality.

Identifying these signs and promptly addressing them can prevent further damage to your tankless water heater system, saving you from expensive repairs later on. Contact us for professional heater maintenance or to find tankless heater installers.

Tankless Water Heater Services in Sterling, VA, & Surrounding Areas

Plumbing Repair Services Icon

Tankless Water Heater Repair Services

If your heating unit is experiencing issues like inconsistent water temperature or strange noises, our team of expert technicians is here to help. With our advanced diagnostic tools and years of experience, we can quickly identify and repair tankless water heaters to get your hot water flowing again.

Emergency Plumbing Services

Tankless Water Heater Replacement

When it’s time for a tankless water heater replacement for your old or malfunctioning system, trust our skilled technicians. As experienced tankless water heater installers, we’ll help you select the right unit for your home’s needs and ensure it’s installed correctly for reliable performance.

Plumbing Maintenance Services

Tankless Water Heater Maintenance Services

Keeping your heater in top condition is vital for providing consistent hot water and avoiding unexpected breakdowns. Our maintenance services in Sterling and surrounding areas ensure your unit operates efficiently by conducting thorough inspections, cleaning internal components, and identifying any potential issues before they become major problems.


Emergency Tankless Water Heater Services

Issues with your water heater can arise unexpectedly, causing inconvenience and discomfort. That’s why we provide 24/7 emergency plumbing services to handle urgent problems such as sudden loss of hot water or system malfunctions.

Protect Your Property by Taking Care of Your Tankless Heater

Addressing heater issues is crucial to preventing significant property damage. Neglecting these issues can lead to leaks, causing water damage to walls, floors, and other structures in your home. Stagnant water from leaks can also promote mold growth, posing health risks to you or your occupants.

Prevent heater problems from getting out of hand by getting our services with maintenance plans. Trust Cardinal Plumbing Heating and Air for fast, reliable services. Set an appointment and let us service tankless water heaters to your home.

Reliable Solutions for Your Tankless Water Heater Concerns

Ensuring Your Satisfaction

Service Calls

We understand the urgency of HVAC issues, so we guarantee fast responses to address concerns. You won’t have to endure discomfort or inconvenience due to a malfunctioning unit.


We aim to provide transparency by offering free estimates for water heater services. This allows you to plan your budget without any surprises and ensures clarity throughout the procedure.

100% Customer Satisfaction

When we service tankless water heaters, we prioritize your needs and preferences, striving to deliver exceptional service and exceed your expectations at every step of the process.

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Quick Response for Your Tankless Water Heater Needs

If you spot a problem with your water heater, don’t hesitate. Reach out to our experts to promptly diagnose and fix the issue. If needed, our tankless heater installers are prepared to replace your unit. Acting swiftly can save you time, money, and hassle in the long run. Don’t miss out on our offers for your home or business.

Book Tankless Water Heater Repair Replacement & Maintenance in Northern Virginia

Act quickly when your hot water heater needs attention. Whether you’re in Sterling, Alexandria, Gainesville, Herndon, or Ashburn, our services cover your area. Cardinal Plumbing, Heating & Air offers fast solutions for your water heater issues in Northern Virginia. To schedule a service for your tankless water heater in Northern Virginia, just fill out our contact form or give us a call.

Frequently Asked Questions

Switching to a tankless water heater offers perks like endless hot water, energy savings, and a smaller footprint. Plus, this hot water system unit lasts longer and emits fewer greenhouse gases than traditional tanks. Considering a tankless water heater replacement? It’s a smart move for your home and the environment.

These types of water heaters typically have a longer lifespan than traditional water heater units. With proper maintenance, they can last up to 20 years or more, providing reliable hot water for your home.

Regular maintenance keeps your water heater working well for longer. It’s recommended to call professionals to service tankless water heater maintenance to inspect and clean the unit, check for any issues, and ensure efficient operation.

Yes, if you’re considering replacing your tankless water heater with a traditional tank water heater, it’s possible. Tankless heater installers can assess your home’s plumbing system and recommend the best option for your needs. However, keep in mind that switching to a tank water heater may require adjustments to your plumbing infrastructure.

When searching for tankless water heater installers, look for licensed and experienced professionals who specialize in tankless water heaters. Ask for recommendations from friends, family, or neighbors, and research online reviews to ensure you choose a reputable company.

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