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Electric Tankless Water Heater Installation Services

Upgrade to efficient hot water with professional electric tankless water heater installation. Mr. Electric ensures proper sizing, wiring, and safe setup so you enjoy endless hot water, lower energy use, and reliable performance tailored to your household needs. Mr. Electric® has successfully handled thousands of electrical installations, including tankless water heaters. Schedule yours today.

Electric Tankless Water Heater Installation Services
Close-up of a wall-mounted tankless water heater with metallic casing, digital display, and an array of copper and black insulated pipes connected to the system on a concrete basement wall.

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  • Tankless water heaters provide on-demand hot water, meaning they only heat water when needed. Standby heat loss is a common problem in traditional tanks, causing significant energy drain. A tankless system can help lower your utility bills and minimize your carbon footprint.

  • Electric tankless water heaters typically last longer than traditional models. In fact, tankless heaters can last over 20 years with proper maintenance. This means fewer replacements, less hassle, and more savings over time, making them a wise long-term solution.

  • Tankless heaters are more compact than traditional heaters, so making the switch can free up valuable space in your home. Their sleek design allows for installation in various locations, including closets or mounted on walls, making them perfect for homes with limited space.

Hands of an installer using a screwdriver on the bottom of a brushed stainless steel tankless water heater mounted on a white wall; temperature display and water pipes visible at the base.
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Our Tankless Water Heater Installation Process

Upgrading your home's hot water system? Our tankless water heater replacement and installation service ensures efficient performance tailored to meet your energy and safety needs.
  • Service professional in a blue shirt adjusting wiring inside a residential electrical breaker panel, focusing intently on the components.
  • Service professional in a blue shirt adjusting wiring inside a residential electrical breaker panel, focusing intently on the components.
  • Service professional in a blue shirt adjusting wiring inside a residential electrical breaker panel, focusing intently on the components.
  • Step 1: Evaluate electrical capacity
    We assess your home's electrical panel to confirm it can support a tankless system, ensuring safe integration without overloading existing circuits or compromising performance.
  • Step 2: Install dedicated circuit
    Our electricians install a dedicated high-capacity circuit specifically for the tankless unit, meeting National Electrical Code standards and maximizing system efficiency and long-term safety.
  • Test and verify functionality
    We complete installation with rigorous testing to confirm correct voltage, grounding, and performance, ensuring your tankless water heater operates smoothly from day one.
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Why Choose Our Tankless Water Heater Installation?

Selecting Mr. Electricity for your tankless water heater installation means you get expert service provided by highly trained and experienced service professionals. Our electricians ensure every installation meets the highest safety and performance standards. Plus, with the Neighborly Done Right Promise®, you know you'll be happy with our work. 

Count on Mr. Electric for reliable, code-compliant installations that deliver long-term peace of mind and efficient hot water when you need it most.

Why Choose Our Tankless Water Heater Installation?
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All Mr. Electric franchises are locally owned and operated and may offer fewer or more services than those listed here. To learn more about the electric tankless water heater installation services offered in your area, contact the Mr. Electric nearest you for details or a customized on-site assessment.

Our Special Offers On Electrical Services

Your safety is important to us, which is why we offer discounts to ensure your electrical systems are working properly. Just mention the coupon below when scheduling your appointment, and we will check your home’s electrical system for any signs of deterioration.

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  • $25 Off

    Any Electrical Service

    New customers only. Not valid with any other offer. All services are performed by independently owned and operated franchises. Terms and Limits Apply. No cash value. Valid only at participating locations. Offer must be presented at time of order. Services may vary by location. Other restrictions may apply. © 2025 Dwyer Franchising LLC. For full details, terms, and address visit neighborly.com/terms-of-use.

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  • Complimentary Home Electrical Safety Check

    With Every Service

    All services are performed by independently owned and operated franchises. Terms and Limits Apply. No cash value. Valid only at participating locations. Offer must be presented at time of order. Services may vary by location. Other restrictions may apply. © 2025 Dwyer Franchising LLC. For full details, terms, and address visit neighborly.com/terms-of-use.

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Residential Services

You can rely on your local Mr. Electric for numerous electrical projects, not just tankless water heater installations. From circuit upgrades to whole-home rewiring, our experts are ready to help. Every service professional undergoes comprehensive background checks and holds all required licenses, so you can feel confident inviting us into your home.
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    With Mr. Electric, installing or replacing your electric vehicle charger is a smooth and hassle-free process.

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    We can equip your home with the latest smart technology to bring seamless, whole-house convenience to your everyday life.

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    Count on us to deliver safe, up-to-standard installations that power your outdoor spaces with confidence and convenience.

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    Hot tub circuits

    We ensure your spa is safely connected, so it warms quickly and keeps the jets running smoothly.

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Mr. Electric Customer Reviews

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    Highly recommended! Installed my Tesla Charger and it was a difficult project with my breaker box in the basement but it was no issue at all.

    Tyler H.
    5/5
    ★ ★ ★ ★ ★
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    Natasha came by and fixed all of our identified issues. She was quick, courteous and was a good communicator. Will use Mr. Electric again next time for sure.

    Les M.
    5/5
    ★ ★ ★ ★ ★
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    Amazing job and professionalism was outstanding. I recommend to anyone with electrical needs.

    Javi L.
    5/5
    ★ ★ ★ ★ ★
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FAQs About Electrical Tankless Water Heater Installation

The safety of your business, customers, and staff are the top priority of every Mr. Electric service professional. Our safety-first commitment to solving your electrical issues includes meticulous attention to detail on every job. Our commitment also includes using our years of experience to answer your questions. Below are answers to some of the most frequently asked questions about electrical tankless water heater installation.

  • Yes. Electrical tankless water heaters draw a high, constant amount of power and require a dedicated circuit to operate safely. Further, dedicated circuits are often mandated by manufacturer and local code requirements. The dedicated circuit helps prevent electrical overloads and ensures consistent performance.

    A licensed electrician will confirm whether your home's electrical system can safely support the heater before beginning installation.

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By checking this box, I agree to opt in to receive automated SMS and/or MMS messages from Mr. Electric, a Neighborly company, and its franchisees to the provided mobile number(s). Messages & data rates may apply. Message frequency varies. View Terms and Privacy Policy. Reply STOP to opt out of future messages. Reply HELP for help.

By entering your email address, you agree to receive emails about services, updates or promotions, and you agree to the Terms and Privacy Policy. You may unsubscribe at any time.