Your Trusted Solution for Water Heater Repair in Rockville

Fast, Reliable Service to Get Your Hot Water Running Again

When your water heater stops working, you need a solution you can count on. A lack of hot water disrupts your daily life, from showers to cleaning, and can be a sign of underlying issues. At Donmar Heating, Cooling & Plumbing, we understand the urgency. We’ve been providing expert water heater repair services to homeowners in Rockville and the surrounding areas since 1990, building our reputation on honesty and reliable results.

Our approach is straightforward: we listen to your needs and provide the best possible service. Our team of licensed and insured professionals has the experience to diagnose and fix any issue, whether you have a gas, electric, or tankless system. We are committed to restoring your hot water quickly and efficiently, ensuring your complete satisfaction with every job we undertake.

Get your hot water running again today. Reach out to us at (703) 457-8676, or request your service online.

Why Homeowners in Rockville Trust Donmar Heating, Cooling & Plumbing

For us, trust is built on a foundation of experience and a genuine commitment to our community. As a family-owned business serving Rockville and the surrounding areas since 1990, we treat every customer with the honesty and integrity you’d expect from a neighbor.

We believe that professional service starts with a professional team. That’s why we invest in our licensed and insured technicians, ensuring they have the expertise to handle any water heater issue. Their dedication to quality workmanship means you can feel confident in the reliability of our repairs.

Transparency is at the heart of everything we do. Before any work begins, we take the time to clearly explain the problem with your water heater and walk you through the available repair options. Our goal is to provide you with the information you need to make the best decision for your home.

Ultimately, we aren't just here to fix a problem; we're here to build a lasting relationship. We respect your home and your time, and we stand behind our work. Our commitment is to be the trusted partner you can always count on for your plumbing needs.

Comprehensive Water Heater Repair & Maintenance in Rockville

Our approach to water heater repair is comprehensive—with every service adapted to your system, lifestyle, and budget. Whether you’re experiencing lukewarm water, leaking tanks, noisy operation, or inconsistent performance, our team is equipped to diagnose and resolve the issue efficiently. We’re experienced with all makes and models, including tankless, electric, and gas water heaters. In addition, our technicians are well-versed in current building codes set by the City of Rockville and Montgomery County, ensuring every repair meets or exceeds local requirements for safety and performance.

Here’s what you can expect when you work with us:

🔴 Step 1: Your Initial Call & Consultation It all starts when you contact us. We listen to understand the specific problem you're facing with your water heater. This allows us to get a clear picture of the issue and dispatch a technician who is fully prepared to help.

🔴 Step 2: A Detailed On-Site Diagnosis When we arrive at your Rockville home, our technician performs a thorough inspection to find the root cause of the problem. We look beyond the obvious symptoms to ensure we provide a complete and lasting solution for your system.

🔴 Step 3: Clear Explanations & Honest Options Once we have identified the issue, we explain everything to you in simple terms. We present you with clear, honest options for the repair so you can make an informed decision that you feel confident about, with no pressure.

🔴 Step 4: Professional Repair & Final Testing After you approve the work, our expert technician will complete the repair efficiently while respecting your home. We use quality parts and techniques to ensure the job is done right, and we test the system afterward to confirm everything is working perfectly.

For prompt and professional service, contact our team today at (703) 457-8676 or send us a message online.

Recognizing the Signs: When to Call for a Repair in Rockville

Your water heater will often give you warning signs before it fails completely. Paying attention to these signals can help you avoid the inconvenience of a sudden breakdown and potentially more expensive damage. If you notice any of the following, it’s a good idea to call us for a professional inspection.

Inconsistent Water Temperatures If your hot water fluctuates between warm and scalding hot, or if it runs out much faster than it used to, it could be a sign of a faulty heating element or sediment buildup inside the tank.

Strange Noises Popping, rumbling, or knocking sounds from your water heater are typically caused by mineral deposits that have hardened at the bottom of the tank. This forces the unit to work harder and can lead to damage.

Discolored or Murky Water When you turn on the hot water tap, if you see rusty or cloudy water, it often indicates that the inside of your tank is corroding. This is a clear sign that your water heater needs professional attention.

Visible Leaks or Moisture Even small amounts of water pooling around the base of your water heater should be addressed immediately. A leak, no matter the size, points to a failure within the unit that requires a prompt repair.

We Service All Types of Water Heaters

Rockville homes feature a variety of water heater systems, and each type has its own unique design and common issues. Our experienced team has the knowledge to diagnose and repair all major models, ensuring we can provide a reliable solution regardless of the type of unit you have in your home.

🔷Gas Water Heaters A popular choice for many homeowners, gas water heaters are generally efficient and reliable. We handle all common gas model repairs, from addressing issues with pilot lights and thermocouples to ensuring proper ventilation and safe operation.

🔷Electric Water Heaters Electric models are also very common and can experience issues with components like heating elements and thermostats. Our technicians can quickly diagnose these electrical problems and replace faulty parts to get your hot water flowing again.

🔷Tankless Water Heaters These modern, on-demand systems provide hot water instantly but require specialized knowledge for service. We have the expertise to address issues specific to tankless units, such as mineral buildup, ignition problems, or flame sensor errors.

Ready to schedule your water heater repair? Call us at (703) 457-8676 or book your appointment online.

A Long-Standing Commitment to the Rockville Community

For us, Rockville is a community we are proud to be a part of. Since we first opened our doors in 1990, we have been dedicated to providing homeowners throughout Maryland with reliable and honest plumbing services.

Our decades of experience in the region have given us a deep understanding of the homes. We are familiar with the local plumbing systems and the common water heater issues that residents face, allowing us to provide solutions that are both effective and practical.

As a family-owned company, we believe in treating our customers like neighbors. That means showing up on time, communicating clearly, and respecting your property as if it were our own. Our business is built on creating lasting relationships, one successful repair at a time.

We are committed to continuing our tradition of quality service for the Rockville community for years to come. You can count on us to be here when you need us, providing the professional and dependable service your home deserves.

Frequently Asked Questions

How Long Does Water Heater Repair Take?

The time required for a water heater repair can vary significantly based on several key factors. For common issues, such as replacing a faulty thermostat, heating element, or thermocouple, a skilled technician can often complete the job within one to two hours during a single visit. However, the timeline can extend if the problem is more complex, like a slow leak that requires draining the tank to properly assess and fix, or if the unit is in a hard-to-reach location. The availability of specific parts for older or less common models can also necessitate a return visit. We always begin with a thorough diagnosis to understand the full scope of the work, allowing us to provide you with a clear and realistic time estimate before we proceed with the repair.

Is a Permit Needed for Water Heater Repair in Rockville?

A permit is generally not required for minor repairs on an existing water heater, such as replacing a heating element or a valve. However, the situation changes when you are fully replacing the unit or making significant alterations. A plumbing permit is mandatory for a full water heater replacement to ensure the installation meets all local safety codes, especially regarding temperature and pressure relief valves, proper ventilation for gas units, and correct electrical wiring. If your repair involves altering the gas or electrical lines that connect to the unit, a permit will also be required. Our team is fully versed in local regulations and will handle the entire permitting process on your behalf to ensure all work is performed safely and is fully compliant with Rockville city codes.

Do You Offer Emergency Water Heater Repair?

Yes, we understand that some water heater issues constitute an emergency and require immediate attention to protect your home and restore your comfort. An urgent situation can include a major leak that risks significant water damage, a complete loss of hot water during cold weather, or any issue related to a gas-powered unit where you might smell gas. Our emergency repair service is designed to provide a quick response, dispatching a technician to your home as soon as possible to diagnose the problem and perform the necessary repairs to make the system safe and functional again.

Are Energy-Efficient Water Heater Upgrades Worth It?

Absolutely. While the initial investment for an energy-efficient water heater, such as a tankless or a heat pump model, is higher than a conventional storage tank unit, the long-term benefits are substantial. These modern systems can reduce your water heating energy consumption by anywhere from 25% to 60%, leading to significant savings on your monthly utility bills. Beyond cost savings, they provide tangible benefits like an endless supply of hot water with tankless models and a smaller carbon footprint. We can help you assess your household's specific needs to determine the best energy-efficient model for your Rockville home and explain available financing options or potential manufacturer rebates that can help make the upgrade more accessible.