Tankless Water Heater Services in Gaithersburg, MD & DC

Hot water is essential for comfort and daily convenience, and when you need reliable tankless water heater service in Gaithersburg, MD, or Washington, DC, James A. Wheat & Sons, Inc is the team to trust. We specialize in tankless water heater installation, repair, and maintenance for homeowners and businesses who want efficient, on-demand hot water and long-term system performance.

Call (301) 241-9636 today to schedule professional tankless water heater service with James A. Wheat & Sons, Inc.

Tankless Water Heater Services in Gaithersburg, MD & DC. James A. Wheat & Sons, Inc

The Many Benefits of a Tankless Water Heater

Unlike standard tank-style water heaters which keep a full tank of water hot around the clock, tankless systems heat water on demand. This efficient design delivers unlimited hot water instantly, reduces wasted energy, saves valuable space, and helps cut down on monthly utility expenses.

Homeowners throughout Gaithersburg and the DC metro area are making the switch to tankless water heaters because of their unmatched efficiency and reliability. Whether you’re upgrading an older tank model or need fast repairs to your current unit, our experienced technicians deliver dependable service and expert recommendations.

When you choose a tankless water heater from James A. Wheat & Sons, Inc, you can expect:

  • Continuous hot water on demand for showers, laundry, and kitchen use
  • Compact units that free up valuable floor space
  • Improved energy efficiency and lower operating costs
  • A lifespan that can exceed 20 years with proper maintenance
  • Advanced technology with precise temperature control

Our team installs and services all major brands and models, ensuring your system performs safely and efficiently for years to come.

Purchase and Installation of Water Heater $100 off
expires 05/31/2021
Have an Emergency?

We Can Help!

Tankless Water Heater Installation

Installing tankless water heaters requires expert planning and precision. Every home has unique water usage needs, gas or electric power configurations, and plumbing layouts. Our technicians evaluate all of these factors to recommend the best solution for your property.

During installation, we:

  1. Assess your home’s hot water demand and available infrastructure.
  2. Recommend the ideal unit size and model for consistent performance.
  3. Install new plumbing and venting connections if needed.
  4. Integrate your new tankless system with your home’s water and energy systems.
  5. Test the system thoroughly to ensure reliable, efficient operation.

We prioritize safety, code compliance, and long-term reliability in every installation. With James A. Wheat & Sons, Inc, you can trust that your system is set up correctly from day one.

Tankless Water Heater Repair and Maintenance

Even with their durability, tankless water heaters require occasional maintenance to prevent mineral buildup and ensure smooth operation. If you notice fluctuating water temperatures, strange noises, or reduced water flow, our experts can quickly diagnose and repair the issue.

Our technicians are trained to service both gas and electric tankless water heater systems and can resolve problems such as ignition failures, scale accumulation, and system error codes. We also provide routine descaling and flushing to keep your unit running efficiently.

Regular maintenance helps:

  • Prevent costly repairs and breakdowns
  • Maintain system efficiency and performance
  • Extend the life of your tankless water heater
  • Keep warranty coverage active

Whether your system needs a tune-up or emergency repair, we’re here to restore your hot water fast.

Common Tankless Water Heater Services We Provide

James A. Wheat & Sons, Inc offers complete services to support your tankless water heater system, including:

Energy Efficiency and Smart System Integration

Modern tankless water heaters go beyond basic functionality. They integrate with smart home systems for even greater control and efficiency. Our team can connect your water heater to advanced monitoring tools that help you track energy use, adjust temperature remotely, and receive performance alerts.

By combining tankless technology with home automation, you can:

  • Monitor energy consumption in real time
  • Adjust temperature settings from your smartphone or control panel
  • Set usage schedules for optimal efficiency
  • Detect leaks or issues early through automated alerts

If you’re already using HVAC automation or lighting automation, we can integrate your tankless water heater into your existing building automation setup for a unified, energy-smart home.

Frequently Asked Questions

Do tankless water heaters work well in larger homes around Gaithersburg?

Yes. A properly sized system or multiple units can easily handle high-demand homes in Gaithersburg or Montgomery County, providing consistent hot water across multiple fixtures.

Can a tankless water heater supply enough hot water for my entire home?

Yes. A properly sized tankless system can supply multiple fixtures simultaneously, depending on your home’s water demand. We’ll help you choose the right model for your needs.

Do you repair both gas and electric tankless water heaters in the Gaithersburg MD and DC area?

Yes. Our licensed technicians service both gas and electric tankless systems throughout Gaithersburg, MD, Washington, DC, and surrounding areas, ensuring proper operation, safety, and efficiency no matter the unit type.

Does a tankless water heater require maintenance?

Yes. Annual maintenance, including descaling and filter cleaning, is essential to prevent buildup of minerals and ensure consistent performance.

Are there rebates for energy-efficient water heaters in Maryland or DC?

Yes. Homeowners may qualify for local utility or ENERGY STAR® rebates when installing high-efficiency tankless models. Our team can help you find available incentives.

Why Choose James A. Wheat & Sons, Inc

For more than 45 years, James A. Wheat & Sons, Inc has been the go-to choice for plumbing and HVAC services in Gaithersburg and Washington, DC. Our family-owned business is built on trust, reliability, and exceptional service. We combine time-tested craftsmanship with today’s most advanced water heating technology to deliver lasting comfort and efficiency.

Here’s what sets us apart:

  • Certified technicians: Experienced professionals trained in the latest tankless systems.
  • Straightforward Pricing: Honest, upfront quotes with no hidden fees.
  • Comprehensive expertise: We handle everything from installation to automation integration.
  • Energy-efficient solutions: We help you reduce waste and save on utility bills.
  • Customer-first service: We stand behind every job and treat your home with respect.

Our reputation is built on consistency, precision, and the confidence that every installation meets the highest standards of quality and safety.

Serving Gaithersburg, Washington, DC, and Surrounding Communities

James A. Wheat & Sons, Inc proudly provides tankless water heater services to homeowners and businesses across Gaithersburg, Washington, DC, and nearby Maryland communities. Our experienced technicians deliver expert installation, repair, and maintenance solutions throughout Rockville, Bethesda, Germantown, Silver Spring, and Potomac, helping local families enjoy efficient, on-demand hot water year-round. 

Whether you’re upgrading to a new tankless system or maintaining an existing one, our team is committed to providing dependable service, lasting results, and unmatched craftsmanship across the greater DC metro area.

Enjoy Endless Hot Water with James A. Wheat & Sons, Inc

When you need dependable tankless water heater service in Gaithersburg, MD, or Washington, DC, trust the experts at James A. Wheat & Sons, Inc. From installation to maintenance, we provide solutions that improve efficiency, save space, and ensure your home always has hot water when you need it most.

Call James A. Wheat & Sons, Inc today at (301) 241-9636 to schedule tankless water heater installation, repair, or maintenance and experience the comfort of endless, energy-efficient hot water.

2nd Opinion on Any Repair Free
expires 11/30/25
Any Service Repair $50 off
expires 11/30/25
Guarantee your family’s comfort with an Eagle Club Discount Membership
What To Expect

Discover the Difference

Satisfaction Guaranteed

We stand behind every job we perform, because that’s what it means to be family. Your complete satisfaction is our guarantee.

Upfront
Pricing

You’ll never be stuck with an unexpected bill when your services are complete. We offer upfront, no-surprise pricing, so you can rest assured you’re only paying for the high-quality work you receive.

Trained
Technicians

Our secret to offering the best service in the business is simple. We hire quality people and continually train them to provide the best customer experience possible. We train weekly on service, equipment, diagnosis, and more. You can rest assured that our technicians will bring the industry expertise necessary to exceed your expectations.

Extended
Warranties

We work continuously to keep up with recalls, extended warranties, and notices regarding all plumbing, heating, and AC equipment that we may come in contact with in your home.

Commitment
to Community

We believe that as we grow, so should our community—that’s why we look for every opportunity possible to give back.

Special
Financing

We understand the financial strain that often accompanies new system installation, home remodeling, or unexpected service calls. That’s why we offer special financing to keep your household budget intact. Financing is subject to approved credit

Satisfaction Guaranteed

We stand behind every job we perform, because that’s what it means to be family. Your complete satisfaction is our guarantee.

Upfront
Pricing

You’ll never be stuck with an unexpected bill when your services are complete. We offer upfront, no-surprise pricing, so you can rest assured you’re only paying for the high-quality work you receive.

Trained
Technicians

Our secret to offering the best service in the business is simple. We hire quality people and continually train them to provide the best customer experience possible. We train weekly on service, equipment, diagnosis, and more. You can rest assured that our technicians will bring the industry expertise necessary to exceed your expectations.

Extended
Warranties

We work continuously to keep up with recalls, extended warranties, and notices regarding all plumbing, heating, and AC equipment that we may come in contact with in your home.

Commitment to Community

We believe that as we grow, so should our community—that’s why we look for every opportunity possible to give back.

Easy
Financing

We understand the financial strain that often accompanies new system installation, home remodeling, or unexpected service calls. That’s why we offer easy financing to keep your household budget intact.

Don’t take our word for it

See What Your Neighbors Are Saying

Thank you for sending such great individuals, Matt and John, to our home today. It was initially scheduled to be just a service call to diagnose our plumbing problems, but it turned out that they could easily correct our problem.I want to tell you that these two young men were the ultimate prof...

Gloria M.

Dear Mr. Wheat:We would like to take a moment to thank you sincerely for helping us with our water leak problem. We had no idea of the magnitude or scope of such an undertaking. All of your service men were excellent and highly professional. They were courteous, considerate and informative ever...

Lloyd & Carole W.

This is a much belated thank you. The job that your service men did installing the fireplace units in our house was extraordinary. Our house is nearing a hundred years old and the interior fireplaces are huge solid brick columns extending to the foundation. Getting gas pipes up from the basemen...

John T.

I wanted to write a brief note thanking you for the work you did on our front sewer line. In particular, I wanted to remind you how good your three employees are (Adam, Bill, and Desmond). All were courteous, neat, punctual, pleasant, and extremely hard workers during the week they spent at our...

David J. S.

Thank you for the generous in-kind donation of Delta faucets and shower bathtub valves, valued at $1,500.00. This donation will help Rebuilding Together continue its work to keep families in need at home in safety and independence.The course of one’s life can change in the blink of an eye. Fo...

Susan H.

I recently contracted with your company to complete repairs to a damaged air return and install new heating ducts in my basement room. Please know that your staff completed the work in a professional manner and in the timeframe promised and I am writing to express my thanks for a job well done!...

Joe C.

First off, I wish to express our satisfaction with service performing on our air conditioning unit yesterday by your service technician, Cliff. My husband was impressed by the work that was done efficiently, quickly, and at a reasonable cost. My husband contacted your company yesterday morning....

Jan M.

I have been impressed with your company and its people from the day your sales person walked in here, through all service personnel, and now.By the way, this is a fantastic system. Our energy costs are much lower than before, the airflow is practically unnoticeable, the air temp inside is even,...

Mau V.

Tom, our service tech, was incredibly helpful and pleasant. Not only did he fix our much-missed kitchen faucet, but he was also kind to the family, including the energetic family dogs who played at his feet. There’s a reason we have a service contract with you!

Susan R.

I am thrilled to have found James A James A. Wheat & Sons! There is nothing better than a complete feeling of trust when I need someone’s help and expertise.

Terri J.

Technician was prompt, polite, and obviously knew his business. He thoroughly checked our fireplace insert, and made a check for CO in the room. His work reassured us that the insert and its inlet-outlet system had not suffered earthquake damage. That’s just what we needed to know.

David L.

Our technician, Tom, was outstanding. He was thorough, thoughtful, explained the work to be done, the cost, options, and seemed to take the minimum amount of time to complete the work. The technician’s helper, who came along with Tom, was also a great asset. It was a wonderful experience for ...

James G. R.

Dear Mike,I am writing to say thank you for the great service today. Tim Whistler came to install my gas oven and range. There were a couple of challenges along the way, beginning with the way the gas line had been routed up through my floor . Another challenge was the fact that I have propane,...

Patricia R.

I wanted to make a special note about how professional Mr. Carey was when he visited our home to conduct the estimate. In the last couple of weeks we have spent hundreds of dollars and met with multiple HVAC companies to fix our air conditioner, and we haven’t been impressed with any of them....

Nick H.

Danilo and Ken were here on June 16 to do my AC check. They were extremely thorough at the time and even made sure that my hose connections were nice and secure. today one of my units was not cooling (it may have been that a circuit breaker tripped—I thought I had checked but perhaps I didnâ€...

Susan W.