FB pixel
☕❄️ Warm Up to Savings ❄️☕
Sunset Heating & Cooling - Logo

Serving the Community since 1922!

For over a century, Sunset Heating, Cooling, Electrical & Plumbing has been keeping homes across Multnomah and Polk counties comfortable year-round. Since 1922, our team has proudly provided trusted air conditioning services to generations of Oregon homeowners. Whether you live anywhere in the Portland area, our licensed and insured HVAC technicians deliver dependable air conditioning repair, installation, and maintenance with genuine local care.

AC Repair - Maintenance

Worried that your air conditioner may be beyond repair? We also offer top-quality AC installation services, ensuring a long-term solution to your cooling needs.

(503) 500-5866

Our Air Conditioning Repair Services for Portland, OR Homeowners

When the summer heat rises, a reliable cooling system makes all the difference. Our air conditioning repair services cover everything from sudden breakdowns to subtle efficiency issues that drive up your energy bills.

The Most Common AC Problems We Fix for Our Clients

Although our team can assist you with any air conditioning problem that may arise, here’s a list of the most common problems we fix for homeowners in the Portland area:

  • Burnt or Failing Capacitors: When capacitors wear out, your AC unit may struggle to start or fail mid-cycle. We replace damaged components to restore consistent operation and protect the compressor.
  • Refrigerant Leaks: Loss of refrigerant causes poor cooling, ice buildup on coils, and higher electricity use. We locate and seal leaks, recharge your system, and test for lasting performance.
  • Electrical Failures and Wiring Damage: Frayed wiring or faulty circuit boards can shut down the entire air conditioning system. Our licensed electricians repair connections safely and verify system grounding for reliability.
  • Frozen Evaporator Coils or Drain Line Backups: Low refrigerant or airflow problems can freeze coils and overflow drains. We thaw and clean components, preventing moisture damage inside your HVAC system.
  • Clogged Air Filters and Ductwork: Restricted airflow from dirty filters or duct blockages reduces energy efficiency and weakens cooling. Our technicians handle duct cleaning, duct sealing, and filter replacement for smooth circulation.
  • Thermostat Issues and Calibration Errors: A miscalibrated thermostat can cause uneven temperatures or short cycling. We check wiring, recalibrate thermostats, and ensure your settings match your comfort needs.

No matter the issue, our AC repair in Portland, OR, combines fast diagnostics with honest, upfront pricing—so you always know what to expect.

Book an Appointment

    FINANCING SERVICE

    AVAILABLE THROUGH
    SERVICE FINANCE

    Our Comprehensive Air Conditioning Installation Services in Portland, OR

    When repair isn’t enough, Sunset provides complete air conditioning installation and replacement services designed around your home’s layout, efficiency goals, and comfort needs.

    Our Installation Services Include:

    • Central air conditioning installation and replacement for single-family homes
    • Energy-efficient heat pump installation with advanced SEER ratings
    • Ductless mini-split installation for zoned comfort and older homes without ductwork
    • Full HVAC installation, including ductwork design and airflow balancing
    • Smart thermostat setup and system integration for efficient temperature control

    What to Expect From Sunset During the Installation Day

    • Arrival of licensed HVAC technicians prepared with all necessary equipment
    • Careful removal and eco-friendly disposal of your old AC unit
    • Precision AC installation with verified refrigerant charge and airflow testing
    • Final thermostat calibration and homeowner orientation
    • Full site cleanup with quality inspection and performance verification

    Our process ensures your new AC installation or air conditioning replacement is completed efficiently, safely, and correctly the first time.

    Our AC Maintenance Checklist in Portland, OR

    Seasonal maintenance keeps your AC system efficient, quiet, and reliable during the warm months. Our air conditioning maintenance visits include a thorough tune-up by trained HVAC technicians.

    Our Maintenance Checklist Covers:

    • Checking and replacing dirty air filters
    • Inspecting refrigerant levels and pressure consistency
    • Cleaning condenser and evaporator coils for optimal heat transfer
    • Calibrating thermostats and verifying temperature accuracy
    • Checking electrical connections and testing capacitor strength
    • Lubricating moving parts for reduced friction and noise
    • Inspecting ductwork for leaks or damage that affects energy efficiency

    Consistent AC tune-ups help prevent costly breakdowns, lower energy bills, and extend your system’s lifespan. We recommend professional AC maintenance in Portland at least once a year, ideally before peak cooling season.

    What Are the Main Signs Your AC Needs Repair?

    Like any mechanical system, there may come a time when repairs are necessary. Unfortunately, repairs usually appear at the least opportune moment. In an effort to reduce the number of surprise AC repairs, it’s important to know the signs of a system in need of service. This includes:

    • AC only emits hot air
    • Weak airflow
    • Odd or loud noises coming from the unit
    • Unusual smells or musty odors
    • Excess moisture buildup
    • Water or freon leaks

    While there are plenty of other symptoms of an air conditioner in need of service, these are the ones most homeowners should be able to detect on their own. By schedule repairs with an expert AC contractor, you can avoid those major issues and limit the need for a complete replacement.

    How Long Does a Typical AC Repair Take?

    Most standard air conditioning system repairs take between one and three hours, depending on parts and system age.

    Complex issues like a compressor replacement may take longer. We carry many parts in our service vehicles to complete most AC repairs in one visit, keeping disruption minimal and comfort restored quickly.

    How Much Does Air Conditioning Repair Cost?

    Costs depend on the nature of the issue; minor repairs like capacitor replacements are affordable, while major components cost more. Sunset offers:

    • Flat-rate, upfront pricing for transparency
    • Free estimates before any work begins
    • Options for financing larger air conditioning repairs

    Our goal is to restore your comfort affordably and without surprise fees.

    What Are the Main Benefits of Air Conditioner Replacement?

    After frequent repairs and air that is not sufficiently cooled, many homeowners opt to have their air conditioner replaced. Generally speaking, if you have had your unit for ten years and the cost of repairs is at least half the cost of a new system, it is more cost-efficient to replace your unit.

    Besides cost-efficiency, there are many other benefits of replacing your unit, including:

    • Cost Efficiency – Not only will replacing your AC reduce the number of repairs, but also new air conditioner models are more eco-friendly and use less power to run.
    • Comfort Level – Many homeowners do not realize how poorly their current system is working until they replace their system. New systems will eliminate warm spots and keep the home at an even coolness.
    • Health Benefits – Though you may not realize it, a poorly operating AC can affect your health; most noticeably by worsening allergies and exacerbating asthma. A new system will eliminate these issues.
    • Smart Features – A new concept with a lot of appliances is smart features. Smart features allow you to remotely control your AC from anywhere.

    If an air conditioning replacement is the route you plan on taking for your home, it’s always best to work with an expert. At Sunset Heating & Cooling, our AC technicians can walk you through every step of the process, ensuring a seamless and stress-free experience.

    Looking to keep the need for replacement at bay? Be sure to ask how our AC repair and maintenance services can help lower your costs and extend your appliance lifespan.

    What Are the Benefits of a Ductless Mini-Split or Heat Pump Installation?

    Ductless mini-splits and modern heat pumps provide:

    • Zoned temperature control for individual rooms
    • High energy efficiency with variable-speed technology
    • No ductwork, reducing air loss and maintenance needs
    • Whisper-quiet operation for comfort

    These systems are ideal for older Portland homes and newer builds seeking flexible, efficient cooling without major remodeling.

    When Should I Replace My Air Conditioning System?

    Replacement becomes practical when:

    • Your AC unit is more than 10–15 years old
    • Repair costs exceed one-third of replacement value
    • Energy bills continue to climb despite tune-ups
    • Your home never cools evenly

    New AC installation offers higher SEER ratings, better energy-efficiency, and improved indoor air quality. Our team helps Portland homeowners choose systems that balance comfort, efficiency, and long-term reliability.

    When Is It Best to Schedule My AC Maintenance in Oregon?

    Plan your AC maintenance in early spring or late fall to ensure readiness before summer peaks. Benefits include:

    • Lower utility bills from better energy performance
    • Early detection of worn parts before failure
    • Cleaner indoor air from fresh filters and coils

    Scheduling air conditioning maintenance before extreme heat helps prevent emergency calls and keeps your cooling services predictable and budget-friendly.

    home-page-bg-scaled-crop
    GET A SUNSET SERVICE PLAN

    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.

    Why Choose Sunset for Your Air Conditioning Services in Portland and Dallas, OR?

    For over 100 years, Sunset Heating, Cooling, Electrical & Plumbing has earned the trust of Oregon families through reliable workmanship and genuine care.

     

    Why homeowners choose us:

     

    • Licensed and insured HVAC technicians with extensive local experience
    • 24/7 emergency service for urgent AC repair needs
    • Transparent, flat-rate pricing with free estimates
    • Done right the first time with quality materials and training
    • Financing options and priority membership benefits
    • Local Portland teams that understand Oregon homes

     

    Our promise: reliable comfort, honest service, and craftsmanship that lasts.

     

    Schedule Your Air Conditioning Service With Sunset Today!

     

    If your AC system struggles to keep up, contact Sunset Heating, Cooling, Electrical & Plumbing today. We offer extended weekday hours, flexible scheduling, and 24/7 emergency support across Portland, OR. Whether you need AC repair, HVAC installation, or air conditioning replacement, our technicians arrive on time and ready to restore your comfort.

     

    We also provide convenient financing options for major HVAC services and a membership program that includes priority scheduling, routine tune-ups, and exclusive discounts. When you partner with Sunset, you’re choosing over a century of dedication to Oregon families and a healthier, more comfortable home all year long.

    Sunset - Over 100 seal

    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.

    Trusted Partners

    NW Natural RUUD PRO Partner NATE BBB Daikin Comfort PRO
    home-tag