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Serving the Community since 1922!

Tankless water heaters are essential for the efficiency and convenience of home water heating systems in and around Portland, OR. As a vital component of your home's plumbing, they provide continuous hot water on demand, eliminating the need for bulky storage tanks and reducing energy waste. Unfortunately, issues with traditional water heaters can occur at the most inconvenient times, making it crucial to know who to call when your system needs an upgrade or repair.

This is where our expert technicians at Sunset Heating & Cooling come in! Whether you need a new tankless water heater installed or are experiencing issues with your existing unit, we are here to provide the ideal solution.

We’re staffed by the most experienced and qualified plumbers in the area that offer premium electrical service. We ensure 100% satisfaction with every project.

(503) 500-5866

Tankless water heaters, also known as on-demand water heaters, are systems that heat water only as it is needed. Unlike traditional water heaters that store hot water in a tank, tankless systems heat water directly as it flows through the unit. This eliminates the need for a storage tank and reduces energy consumption, as there is no standby heat loss from maintaining a reservoir of hot water.

Tankless water heaters come in various sizes and capacities, suitable for different household needs. They can be powered by electricity, natural gas, or propane, providing flexibility depending on the available energy sources in your home. These systems are known for their longevity, often lasting longer than conventional tank water heaters, and they offer a consistent supply of hot water, making them an attractive option for modern homes.

How Do Tankless Water Heaters Work?

The operation of a tankless water heater is straightforward yet highly efficient. When a hot water tap is turned on, cold water travels through a pipe into the unit. An electric element or a gas burner heats the water as it passes through the system, delivering a continuous supply of hot water.

The key advantage of this technology is its ability to provide hot water on demand, without the limitations of a storage tank's capacity. Tankless water heaters can deliver two to five gallons of hot water per minute, depending on the model and the fuel source. High-efficiency models can further enhance energy savings by modulating the heat output to match the demand, ensuring optimal performance and reduced energy waste.

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    Tankless Water Heater Installation & Replacement

    Installing a tankless water heater requires precision and expertise to ensure optimal performance and safety. Our technicians will assess your home’s hot water needs, recommend the best unit for your situation, and perform a seamless installation. We handle everything from sizing the unit to fit your household demand, to connecting it to the appropriate energy source, and ensuring proper ventilation for gas-powered models.

    If you have an old, inefficient tank water heater, we also offer replacement services. Upgrading to a tankless system can significantly reduce your energy bills and provide you with endless hot water. Our team will remove your old unit, dispose of it properly, and install your new tankless system with minimal disruption to your daily routine.

    Tankless Water Heater Repair

    Even the most reliable tankless water heaters can encounter issues over time. Whether it’s a drop in water temperature, strange noises, or error codes on the display, our technicians are equipped to diagnose and repair a wide range of problems. Hot water is essential for your daily activities, and we strive to provide prompt and effective water heater repairs to get your system back up and running as quickly as possible.

    Common issues with tankless water heaters include mineral buildup, which can reduce efficiency and flow rate, and ignition problems in gas-powered units. Our technicians have the expertise to address these and other issues, ensuring your system operates at peak performance.

    Tankless Water Heater Maintenance

    Regular maintenance is crucial to the longevity and efficiency of your tankless water heater. At Sunset Heating & Cooling, we offer comprehensive maintenance services to keep your system in top condition. Our maintenance package includes descaling to remove mineral buildup, checking and cleaning the burners, inspecting the heat exchanger, and ensuring all components are functioning correctly.

    Routine maintenance not only prevents unexpected breakdowns but also ensures your water heater operates efficiently, saving you money on energy bills. Our technicians will provide you with a detailed maintenance plan tailored to your specific unit and usage patterns.


    Maintenance Plans

    Regular maintenance is crucial to keeping your HVAC systems working efficiently and safely. When you sign up for our Sunset Service Plan, not only do you get an annual inspection and tune-up of your system, but you also have the added benefit of working with a team that knows your unit’s repair and maintenance history.

    • Visual Ductwork Inspection: ($79 Value)
    • Your Plan is transferable if you move to another home in the Portland area or given to buyer of home you are selling
    • 15% off any additional services or repairs
    • Peace of mind knowing that your HVAC system is in good hands.
    • Indoor Air Quality Evaluation: ($79 Value)
    • Plans start at as little as $16.50/ month for one unit.
    • Priority scheduling for any service
    • High Performance Tune-up.
    View Maintenance Plans

    We Also Service Conventional Tank Water Heaters

    While we specialize in tankless water heaters, we also provide expert services for a variety of conventional tank water heaters, including gas, electric, solar, and indirect heaters. If you have a traditional hot water heater and need repair or maintenance services, our team is here to help. No matter the type of heater is connected to your home’s heating system, Sunset is the plumbing contractor with the expertise to ensure it operates efficiently and reliably.


    If you are considering an upgrade, we can assist with both tankless and conventional water heater replacements. We understand that every home has unique needs, and we are equipped to handle a wide range of water heating systems, ensuring you always have access to hot water. Whether it’s a straightforward swap to a newer conventional model or a transition to an advanced tankless system, our skilled technicians will manage the entire process seamlessly.

    Contact Sunset Today for Expert Plumbing Solutions in the Portland Area

    Sunset Heating & Cooling is dedicated to providing exceptional tankless water heater services in Portland, OR. Our commitment to quality, efficiency, and customer satisfaction sets us apart as a trusted provider of home comfort solutions. Whether you are looking to upgrade to a tankless system, need repairs, or require routine maintenance, our expert technicians are here to ensure you enjoy the benefits of modern, energy-efficient water heating. Contact us today to learn more about our services and how we can help you achieve reliable, endless hot water in your home.

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    Portland’s Trusted Heating and Cooling Company

    Are you looking for quality heating and air cooling services in the Portland area? Sunset Heating & Cooling has been a trusted name in the HVAC industry for decades! If you’re looking for a reputable AC and heating company that provides professional work and exceptional customer service for a fair price, you’ll find it here!

    When you need heating and air conditioning services in Portland, OR, you can always count on Sunset Heating & Cooling

    What Our Clients Say

    Ryan from Sunset Heating & Cooling was friendly, efficient, helpful and so pleasant to have in our home. A great company and wonderful service.

    - Kathi P.

    Jeremy was prompt and friendly. He did a great job of servicing our ac and explaining what he did. Great customer service!

    - Jennifer M.

    Jeremy was knowledgeable, personable, and took the time to explain things. Highly recommend his service.

    - Scott B.

    Many thanks for a great job of diagnosing, explaining and fixing our problem. We are very appreciative and will be happy to tell others.

    - Greg G.

    The Sunset team who sold and installed a new furnace and AC unit in my condominium were wonderful. They were knowledgeable, professional, thorough, respectful and friendly. They went the extra mile to be sure other residents were not impacted and I was happy. They took special care to leave no trace of their being here, except for new and vastly improved heating and cooling system.

    - Kaki B.

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