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Sunset Heating, Cooling, Plumbing & Electrical installs and replaces ductless mini-split AC systems in Portland, OR, and the surrounding areas. For more than 100 years, we’ve been helping homeowners throughout Multnomah County stay comfortable through Oregon’s warm summers and cool, rainy seasons. Ductless systems have become a popular choice for modern homes because they offer efficient cooling, flexible installation, and precise temperature control without the need for traditional ductwork.

Ductless Mini-Split Air Conditioning Services

Thinking about upgrading your home’s HVAC system? Reach out to Sunset for fast and reliable ductless AC system installation and other ductless mini-split AC services in Portland. Call us today or contact us online to get a free quote or schedule service.

(503) 500-5866

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    Ductless unit installation is far less work than a ducted unit installation. We are equipped to come out to your home, measure the area to be covered, and recommend the correct size heat pump for maximum efficiency. The wall unit installations themselves are relatively fast to complete, and we strive to affect your daily life as little as possible.

    Our technicians will be in and out, leaving you feeling the comfort and convenience of temperature control at your fingertips.

    Ductless systems are not limited to cooling. Many homeowners in Portland choose ductless mini-split heat pumps because they provide both heating and cooling from the same system. These systems are highly efficient and work well in homes without ductwork, room additions, garages, and spaces that need better temperature control.

    At Sunset Heating, Cooling, Plumbing & Electrical, we install, repair, and maintain ductless mini-split heat pump systems throughout the Portland area. Our technicians help you choose the right system for your home and ensure it is installed correctly for reliable year-round comfort, energy efficiency, and quiet operation.

    Warranties are proof of a service provider’s confidence in the equipment used during the installation, the material, and the workmanship. A service provider who is unwilling to supply a warranty should really not even be considered. They may offer a lower price, but you are left with endless problems should something go wrong.

    At Sunset Heating & Cooling, we provide a warranty that simply cannot be ignored. All our equipment is covered by the manufacturer’s warranty and our workmanship is covered for the lifetime of the equipment. If you have any issues once we have completed your ductless unit installation in Portland, just call and we’ll be there right away to correct the problem.

    Our technicians are selected with great care. We ensure that they have the abilities, skills, and experience to carry out the tasks our customers require. All our technicians are thoroughly background checked to ensure that they are of good ethics and safe to send out to our customers. Our technicians are certified with the State’s stamp of approval. We are fully licensed and insured for your peace of mind. Your possessions and your family are in the best hands possible, and great care is always shown when working at your home.

    Can I Install a Ductless Unit in Just One Room of My Home?

    Yes, you absolutely can. Many Portland homeowners install a ductless unit specifically for one room that struggles with temperature control. We often install systems in spaces such as:

    • Home additions or remodeled rooms
    • Finished basements or garages
    • Upstairs bedrooms that stay warmer than the rest of the house
    • Home offices or sunrooms

    Our team evaluates your space and recommends the right system size and placement for consistent comfort.

    How Long Does a Ductless AC System Installation Usually Take?

    Most ductless unit installations can be completed within a single day. Because these systems do not require extensive ductwork, the process is typically faster and less disruptive than installing a traditional air conditioning system.

    At Sunset Heating, Cooling, Electrical & Plumbing, we carefully plan the installation, mount the indoor and outdoor units, connect the refrigerant lines, and test the system thoroughly to ensure everything operates safely and efficiently before we leave your home.

    How Much Does the Installation of an AC System Typically Cost in Portland?

    The cost of installing a new AC system in Portland can vary depending on several factors. The size of your home, the type of system you choose, and the complexity of the installation all play a role in determining the final price.

    For example, installation costs may depend on:

    • The size and layout of your home
    • The type of AC system (central AC, heat pump, or ductless)
    • Whether new ductwork or electrical upgrades are needed
    • The efficiency rating and brand of the system

    At Sunset Heating, Cooling, Electrical & Plumbing, we provide upfront pricing and help you choose a system that fits both your comfort needs and your budget.

    Will a Ductless Unit Lower My Energy Bills?

    In many cases, yes. Ductless systems are known for their high efficiency and ability to cool or heat specific areas rather than the entire home. This targeted comfort helps reduce wasted energy.

    Because ductless systems avoid ductwork losses and use advanced inverter technology, they often consume less energy than older air conditioning systems. They can also help improve your indoor air quality. Our team can recommend the right model to improve comfort while helping control energy costs.

    Do Ductless AC Units Require Regular Maintenance After Installation?

    Yes, routine maintenance helps keep your ductless unit running efficiently and prevents unexpected breakdowns. Like any heating or cooling system, regular service ensures components stay clean and operate properly.

    During maintenance visits, our technicians inspect the system, clean filters and coils, check refrigerant levels, and test performance. This helps extend the lifespan of your system and keeps your home comfortable throughout the year.

    Choose Sunset for Trusted Ductless Mini-Split AC System Installation & Replacement Services in Portland

    Choosing the right cooling system can make a big difference in your home’s comfort, energy efficiency, and overall convenience. A professionally installed ductless mini-split AC system gives you flexible cooling, quiet operation, and reliable performance without the need for traditional ductwork. With the right installation and setup, your system can keep your Portland home comfortable for years to come.

     

    Ready to upgrade your home’s cooling? Reach out to Sunset today to schedule your ductless AC unit installation or replacement. Our experienced team is here to help you choose the right system and install it properly the first time. Call us at 503-773-6695 or reach out online to get started.

    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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