Air Conditioning Services in Lake Oswego, OR

AC Installation and Replacement in Lake Oswego, OR

Tired of wrestling with an aging, noisy AC unit that struggles to cool your home—and sends your energy bills through the roof? It may be time for an upgrade.

Our AC installation and replacement services are designed to take the hassle out of getting a new system. Our skilled technicians will:

• Assess your home’s size, layout, and insulation
• Recommend a system perfectly sized for your cooling needs
• Work with the top AC brands on the market
• Install your unit quickly, cleanly, and with precision
• Ensure your new system is fully optimized for performance and energy efficiency

A properly installed AC system makes all the difference—not just in comfort, but in energy savings and long-term reliability. We’ll guide you every step of the way, from choosing the right model to handling the entire installation process. Our goal is simple: total comfort, no headaches.

Thinking of going green? Ask about our high-efficiency and ENERGY STAR® rated systems that keep you cool while lowering your carbon footprint.

AC Tune-Up & Maintenance Services in Lake Oswego

Air conditioners are complex machines, and like your car, they run better with regular upkeep. Sunset offers thorough AC tune-ups and maintenance plans to help you avoid costly breakdowns, lower your utility bills, and extend the life of your system.

Our comprehensive AC maintenance includes:

• Multi-point inspection of your entire system
• Coil cleaning for better airflow and cooling
• Filter replacement or cleaning
• Electrical connections tightened
• Refrigerant levels checked and topped off
• Thermostat calibration
• Condensate drain line check
• Airflow testing and duct inspection

By catching small issues early, you prevent big, expensive problems later. Our Lake Oswego customers love the peace of mind that comes with knowing their system is ready for whatever summer brings.

Want to set it and forget it? Ask us about our affordable maintenance service agreements. They include seasonal tune-ups, priority service, and discounts on repairs.

Ductless Mini-Split Tune-Up in Lake Oswego

Regular maintenance for your mini-split is just as important as for traditional systems. Our tune-ups ensure your units remain energy-efficient, reliable, and clean—especially before the peak summer season.

Services include:

• Coil and fan cleaning
• Electrical and thermostat testing
• Refrigerant pressure check
• System recalibration
• Drain and condensate line cleaning

A tuned-up mini-split works quietly, cools consistently, and lasts longer—saving you time and money in the long run.

Heat Pump Repair and Tune-Up in Lake Oswego

Already have a heat pump? Keep it in peak shape with regular maintenance and fast, professional repairs when needed. Our team handles:

• Airflow issues
• Uneven heating/cooling
• Refrigerant problems
• Noisy operation
• Frozen outdoor coils
• Blower and motor failures

We also offer seasonal tune-ups to help your system switch seamlessly between heating and cooling. Keep your comfort smooth and your bills low with proactive care.

Indoor Air Quality & Air Purification in Lake Oswego

Clean, healthy indoor air is more important than ever. Our indoor air quality services help Lake Oswego homeowners fight allergens, dust, odors, and airborne contaminants:

• HEPA filtration systems
• UV germicidal lamps
• Electronic air cleaners
• Whole-home air purifiers
• Ventilation upgrades
• Duct cleaning and filter replacements

We tailor solutions to your household’s unique needs—whether you have pets, asthma, or just want the freshest air possible.

Emergency AC Repair in Lake Oswego, OR

There’s nothing worse than your air conditioner breaking down during a heatwave—especially with guests on the way or kids (and pets!) stuck indoors. That’s why we offer 24/7 emergency AC repair services in Lake Oswego.

Our expert technicians arrive quickly and prepared, diagnosing your AC issue and getting to work right away. We handle it all:

• Frozen coils
• Refrigerant leaks
• Thermostat failures
• Electrical issues
• Compressor problems
• Sensor malfunctions
• Weak airflow or warm air

We service all major brands and models, and we bring common parts with us to make sure we can resolve most problems in a single visit. And with Sunset, you can count on honest diagnostics, transparent pricing, and repairs that last.

We don’t do band-aid fixes—we deliver real solutions that restore your comfort fast.

Ductless Mini-Split Installation & Replacement in Lake Oswego

If you’re cooling a sunroom, attic, converted garage, or an older home without existing ductwork, ductless mini-splits are a game changer. These compact, efficient systems offer zoned cooling with whisper-quiet operation and minimal disruption to your home.

Sunset’s ductless AC services include:

• Custom mini-split system design for your home layout
• Clean, discreet installation of indoor air handlers
• Strategic placement of outdoor condensers for minimal noise and visibility
• Smart controls and zoning for maximum efficiency

Mini-splits are especially popular in Lake Oswego’s historic homes where installing full duct systems isn’t practical—or where zoning is needed for different floors or living areas. Plus, they double as heaters in the winter, making them a year-round solution.

Ductless Mini-Split Repair in Lake Oswego

If your mini-split isn’t cooling like it should, Sunset’s skilled technicians are just a phone call away. We’ll inspect every part of your system—indoor and outdoor—to get to the root of the problem.

Common mini-split issues we fix include:

• Leaking or low refrigerant
• Poor airflow or strange smells
• Communication errors between units
• Faulty remote controls or wall thermostats
• Frozen coils or blocked drain lines

We’re trained in all the leading brands and models, so you can trust us to get your ductless system back to peak performance fast.

Air Duct Services in Lake Oswego

Your ductwork plays a vital role in your cooling system’s performance. Leaky or clogged ducts can waste energy, reduce comfort, and put strain on your AC unit. That’s why we offer:

• Duct inspections
• Leak detection and sealing
• Duct repair and replacement
• Airflow balancing and optimization

We use advanced tools like airflow monitors and infrared leak detection to find and fix inefficiencies. The result? Even, cool air in every room—and lower energy bills, too.

Humidity Control: Dehumidifiers & Humidifiers in Lake Oswego

Too much moisture? Lake Oswego summers can get muggy, especially in basement or lakefront homes. Our dehumidifier systems improve air quality, reduce mold risks, and make your space feel cooler without overworking your AC.

Too dry in winter? Sunset also installs humidification systems to add comfortable moisture during colder months. These help protect wood floors, furniture, and your sinuses.

We’ll test your indoor humidity levels and recommend the ideal solution—standalone units or systems integrated with your HVAC setup.

Air Filter Replacement Service in Lake Oswego

A dirty air filter is one of the most common reasons for poor airflow and AC issues. If you can’t remember the last time yours was changed, give us a call!

Our filter replacement service ensures:

• Proper filtration to trap dust and dander
• Improved HVAC efficiency
• Longer system lifespan
• Better indoor air quality

We carry a range of filter types and can help you find the perfect match for your system.