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At Sunset Heating, Cooling, Electrical & Plumbing, we’ve been proudly serving the Lake Oswego area for over a century, providing expert air conditioning installation, replacement, and repair services to local homeowners. We know what it takes to keep your Lake Oswego home cool, comfortable, and energy-efficient through every stage of summer.

AC Install/Replace

Whether you’re replacing an outdated AC unit, installing a system for a new addition, or making the jump to a high-efficiency or ductless mini-split solution, our licensed and trained HVAC technicians are here to make the process seamless and stress-free.

Beat the heat with professional cooling services from Sunset!

(503) 500-5866

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    FINANCING SERVICE

    AVAILABLE THROUGH
    SERVICE FINANCE

    There’s no one-size-fits-all approach when it comes to cooling systems. That’s why our team takes the time to assess your home’s unique layout, insulation, square footage, and airflow needs before recommending the ideal air conditioning system for your lifestyle.

    Whether it’s a central AC unit, a ductless mini-split installation, or a heat pump system that also handles heating and cooling, we focus on matching you with the perfect system for your home’s cooling demands and energy goals.

    What to Expect with Sunset’s AC Installation Process

    Consultation and System Selection

    Our installation process begins with a home evaluation where we review your HVAC needs, preferences, and budget. We help you explore your options, explain the pros and cons of different systems, and recommend the most cost-effective and energy-efficient solution.

    Precision Sizing and Load Calculation

    We perform a Manual J load calculation to determine the exact cooling capacity your Lake Oswego home needs. Oversized or undersized AC units can lead to increased energy bills, uneven cooling, and reduced equipment lifespan.

    Professional Installation by Trained Technicians

    Our experienced installation team handles everything from placing the outdoor condenser to configuring your indoor air handler and thermostat. We run new lines, connect electrical systems, seal and prep any ductwork, and ensure all components are installed according to manufacturer specifications.

    Final Inspection and System Testing

    Before we leave, we perform a complete system test to confirm your new AC unit is operating at optimal performance. We also walk you through how to use your system, set up your thermostat, and understand your unit’s features for energy-efficient operation.

    Clean Workmanship and Respect for Your Home

    We protect your home during every step of the process, using drop cloths and cleaning up after ourselves. You’ll never be left with a mess or unanswered questions.

    When Should I Consider Air Conditioning Replacement?

    Is your current AC system not keeping up anymore? While repairs are often a viable solution, there comes a point where air conditioner replacement just makes more sense.

    Here are a few signs it may be time to replace your system:

    • Your system is 10 to 15 years old or older
    • Frequent breakdowns or recurring AC repairs
    • Poor airflow or inconsistent cooling
    • Rising energy costs without increased usage
    • Outdated refrigerant (such as R-22)
    • Lack of modern features like zoning or smart controls

    Upgrading to a new cooling system can significantly improve your home’s comfort while reducing long-term energy usage. Many newer systems have higher SEER ratings (Seasonal Energy Efficiency Ratio), which translates to real savings on your utility bills.

    Sunset provides free estimates for all air conditioning replacement services, so you can compare costs and features before making a decision.

    What Air Conditioning Systems Does Sunset Install?

    Our HVAC services include a full range of modern AC options for every type of home in the Lake Oswego area:

    • Central Air Conditioners: Traditional ducted AC systems provide whole-home comfort with smart thermostat compatibility and zoning options.
    • Ductless Mini-Splits: Perfect for homes without ductwork, additions, or single-room applications. These systems offer zone-based cooling, high efficiency, and compact design.
    • Heat Pumps: A great all-in-one solution for both heating and cooling. Especially effective in moderate climates like Oregon’s.
    • High-SEER Systems: Ultra-efficient systems that provide better temperature control with lower energy consumption.

    Not sure which is best for you? Our team will guide you through the selection process, weighing the cost, features, and energy savings to ensure you get the best fit.

    What Are the Benefits of Upgrading My Air Conditioner?

    Wondering if an AC upgrade is really worth it? Here are just some of the benefits Lake Oswego homeowners enjoy after installing a new system with Sunset:

    • Lower Energy Bills: Modern AC units are designed for energy efficiency, helping reduce your monthly utility costs.
    • Improved Indoor Comfort: No more hot spots, cold drafts, or noisy operation. New systems provide quiet, balanced, and consistent cooling.
    • Better Air Quality: Advanced filters, humidity controls, and proper filtration help improve indoor air quality and remove airborne contaminants.
    • Smart Thermostat Compatibility: Take control of your cooling with mobile apps, voice commands, and automated scheduling.
    • Increased Home Value: Upgrading your air conditioning system is a smart investment that adds to your home’s appeal and resale value.
    • Eco-Friendly Performance: Today’s high-efficiency systems use environmentally safer refrigerants and meet strict Environmental Protection Agency guidelines.

    How Long Does It Take to Install a New AC System?

    Most air conditioning installations can be completed in a single day, depending on the size and complexity of the job. Replacements typically move quicker than new installations that require ductwork or electrical upgrades.

    How Do I Choose the Right Air Conditioning System for My Home?

    Choosing the right air conditioning system isn’t just about picking the biggest or most expensive unit—it’s about finding a system that matches your home’s unique needs for comfort, efficiency, and reliability.

    Our technicians start by performing a detailed load calculation, taking into account your home’s square footage, layout, insulation levels, number of windows, and sun exposure. But that’s just the beginning.

    Here are a few additional factors to consider when selecting your new AC system:

    • Energy Efficiency: Look for systems with high SEER ratings (Seasonal Energy Efficiency Ratio) for lower energy costs over time.
    • Ductwork Compatibility: If your home lacks ductwork—or if it’s older or leaky—a ductless mini-split system may be the better fit.
    • Zoning Capabilities: Want different temperatures in different areas? Consider systems that support zoned cooling.
    • Smart Features: Wi-Fi-enabled thermostats, remote access, and voice control can add convenience and enhance system efficiency.
    • Noise Level: Some systems are designed for whisper-quiet operation—ideal for bedrooms or home offices.
    • Budget and Long-Term Costs: Evaluate not only the upfront price, but also expected maintenance, repair costs, and energy savings over the system’s lifetime.

    Not sure where to start? Sunset Heating, Cooling, Plumbing & Electrical will walk you through the entire selection process. We’ll evaluate your space, explain your options clearly, and help you choose the system that delivers maximum comfort, optimal performance, and long-term value for your Lake Oswego home.

    Do You Provide Ductwork Services Too?

    Absolutely. Our team handles duct sealing, cleaning, repairs, and new duct installations to ensure your cooling system delivers consistent airflow and maximum efficiency.

    Can I Switch to a Ductless System if I Already Have Ductwork Installed?

    Yes! Many homeowners opt to add ductless mini-split units in areas not served well by their current ducted system, such as sunrooms, basements, or converted garages. You can combine both for a hybrid approach.

    Will a New AC System Reduce My Energy Bills?

    In most cases, yes—especially if your old system was inefficient or oversized. New AC units with high SEER ratings operate more efficiently and can significantly cut down your energy costs.

    Does Sunset Offer Financing and Maintenance Plans?

    We believe every homeowner deserves reliable cooling without breaking the bank. That’s why we offer:

    • Flexible Financing Options: Affordable monthly payment plans with approved credit make upgrading your system more accessible than ever.
    • Comprehensive Maintenance Plans: Keep your AC system in top shape year after year with seasonal tune-ups, priority service, and exclusive discounts.

    Regular AC maintenance improves efficiency, extends equipment life, and helps catch small issues before they turn into expensive repairs.

    What Kind of Warranty Does Sunset Offer for New Air Conditioning Installations?

    At Sunset Heating, Cooling, Plumbing & Electrical, we proudly stand by the quality of our work and the reliability of our products. That’s why we offer a Lifetime Limited Warranty on all heating, cooling, plumbing, and electrical jobs—including new air conditioning installations.

    Every AC installation is backed by:

    • Manufacturer warranties on equipment (varies by brand and model)
    • Labor warranties on our professional installation work
    • Our Lifetime Limited Warranty, which reflects our commitment to long-term value and customer peace of mind

    Whether you’re installing a central AC unit, ductless mini-split, or a high-efficiency heat pump, our licensed, bonded, and insured technicians ensure the job is done right. We carry an extensive selection of high-end air conditioning products built for lasting performance and comfort.

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    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.

    Ready to Upgrade? Contact Sunset Today!

    Your home deserves cooling comfort you can rely on all summer long. Whether you’re upgrading an aging system, building a new space, or simply want to explore more energy-efficient options, Sunset Heating, Cooling, Plumbing & Electrical is here to help.

     

    Our team is proud to provide professional assistance, expert recommendations, and top-tier HVAC services to families throughout the Lake Oswego area.

     

    Call us today at (503) 773-6695 or use our online form to schedule your free estimate. Let’s make your home the coolest place on the block this summer!

    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 NaturalRUUD PRO PartnerNATEBBBDaikin Comfort PRO
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