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When the sun’s out and the heat rolls into Gresham, OR, a dependable air conditioner isn’t a luxury—it’s a necessity. And if your old system’s been limping along, struggling to cool your home, or simply refuses to turn on, it might be time to consider a new AC installation.

At Sunset Heating, Cooling, Electrical & Plumbing, we know that replacing an air conditioner is a big decision. You want a system that’s efficient, built to last, and installed by a team that knows what they’re doing. That’s where we come in. With over 100 years in the business and a strong reputation for delivering top-notch cooling services, we make the whole air conditioning installation process easy and worry-free.

AC Install/Replace

From choosing the right AC system to clean, careful installation and beyond—we’ve got your back. Call us today to schedule your next AC service!

(503) 500-5866

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    FINANCING SERVICE

    AVAILABLE THROUGH
    SERVICE FINANCE

    If you’re thinking about air conditioning installation or replacement, you probably have a few questions—and maybe even a few concerns. That’s normal. Our job is to make the process straightforward, transparent, and hassle-free from start to finish.

    Here’s what to expect when you work with Sunset for AC installation services in Gresham.

    Home Comfort Assessment

    We begin with a full evaluation of your home. That includes square footage, insulation levels, sun exposure, window placement, and existing ductwork. This helps us determine the best air conditioning system for your needs—not just what fits, but what performs efficiently and keeps you comfortable.

    System Sizing & Recommendations

    Bigger isn’t always better when it comes to AC units. If your system is oversized or undersized, it won’t cool evenly and will waste energy. Our HVAC technicians will calculate the proper load to make sure your new AC unit matches your home’s demands—and we’ll explain your options clearly.

    Product Selection & Quote

    Once we’ve sized the system, we’ll help you choose the best brand and model for your needs, whether you're leaning toward a traditional central AC, a ductless mini-split, or a heat pump installation. We provide an upfront, no-surprises quote so you can make a confident decision.

    Scheduled Installation Day

    We work around your schedule. On the day of your AC installation, our team shows up on time, ready to work. We’ll protect your floors, respect your space, and keep the noise and disruption to a minimum while we get everything set up.

    Professional Installation

    Our licensed, insured technicians remove your old unit, prep the site, and install your new system with expert care. We handle refrigerant lines, electrical hookups, thermostat integration, and ductwork adjustments if needed. Every connection is tested, and every component is checked for safety and performance.

    Final Walkthrough & System Test

    We finish every job by running a full system test. That means verifying airflow, checking temperatures, and calibrating your thermostat. We’ll also walk you through how to operate your new AC system and answer any questions you have about care, use, and air conditioning maintenance.

    When we’re done, the only thing you’ll notice is how cool and comfortable your home feels.

    Every home and business in Gresham is a little different. That’s why we offer a range of air conditioning systems to suit your space, lifestyle, and energy goals.

    Central AC Systems

    Central air conditioners are still the most common cooling option in Gresham homes. These systems are ideal for properties with existing ductwork and can efficiently cool your entire house from one central location. Today’s central ACs are quieter, smarter, and much more energy-efficient than older models, especially those with variable-speed fans and advanced SEER ratings. If your current unit is more than 10 years old, you’ll likely notice a big difference in cooling power and monthly savings with a new AC installation.

    Heat Pumps

    Heat pumps are a great option if you’re looking for both heating and cooling in one system. They use electricity to move heat rather than generate it, making them incredibly efficient, especially in Oregon’s mild climate. A heat pump installation is ideal for homeowners who want a greener, year-round comfort solution and don’t rely on gas heating.

    Mini-Splits

    If you don’t have ductwork or want to cool specific areas of your home (like a garage, finished attic, or add-on), ductless mini-splits are a flexible and efficient option. These compact systems are quiet, easy to install, and offer independent temperature control in each zone. We specialize in ductless mini-split installation for homes and businesses across Gresham.

    Whatever system you choose, our team will make sure it’s the right fit—for your space, your budget, and your comfort.

    Brands We Install

    We work with trusted names in air conditioning services, offering equipment known for quality, innovation, and energy savings. We’ll help you choose from:

    Not sure which brand is best? We’ll explain the differences and help you make the right call based on your needs, preferences, and budget.

    How Do I Know When It's Time to Replace My Air Conditioner?

    If you’re not sure whether you need an AC repair or full air conditioning replacement, here are a few signs it might be time to upgrade:

    • It’s more than 12–15 years old
    • Frequent breakdowns and costly repairs
    • Uneven cooling throughout the home
    • Weak airflow or constant short cycling
    • High energy bills with no increase in usage
    • Uses outdated refrigerant (like R-22)
    • Loud noises or unpleasant odors

    If you’re nodding along to a few of these, it’s probably time to think about air conditioning replacement. Don’t worry—we’ll walk you through your options.

    How Long Does the Average AC Installation Process Take?

    Most AC installations take about one full day from start to finish. But the total time can vary based on a few key factors:

    • System Type: A standard central AC system is usually quicker to install than a ductless mini-split with multiple indoor units or a heat pump system that may require both indoor and outdoor components to be upgraded.
    • Ductwork Condition: If your existing ducts are in good shape, we can reuse them and save time. But if we find damage, leaks, or mold, we may need to complete some ductwork repair or duct sealing, which can add a few hours or even an extra day.
    • Electrical Setup: Some homes may need an electrical panel upgrade or new dedicated circuits to handle a high-efficiency AC unit. These upgrades are critical for safety and system performance and can impact the timeline.
    • Permits and Inspections: Depending on local codes, we may need to secure a permit and schedule an inspection. While we handle the paperwork, inspection scheduling is out of our hands and may add a day or two.
    • Weather Conditions: If we’re working in the middle of a summer storm or heatwave, things can move a bit slower. We always prioritize safety for our crew and your property, so extreme weather may delay outdoor work.

    Rest assured, we’ll keep you informed every step of the way and do everything we can to stay on schedule.

    How Much Does the Average AC Installation Cost in Gresham, OR?

    Pricing for air conditioning installation in Gresham, OR, depends on a few important variables. Here’s what can increase your total investment:

    • System Size: Larger homes require more powerful AC units, which cost more to purchase and install. We size systems carefully to avoid under- or over-cooling.
    • Type of System: Ductless mini-splits, high-end heat pumps, and variable-speed units typically cost more upfront than standard single-stage systems, but they pay off in energy savings.
    • Efficiency Rating: Units with higher SEER ratings are more energy-efficient, which can reduce monthly costs—but they come with a higher initial price.
    • Ductwork Modifications: If your current ductwork is leaky, damaged, or undersized, we may recommend repairs or redesign. This adds to the cost but improves overall performance.
    • Electrical Work: Upgrading your electrical panel, wiring, or thermostat can impact the bottom line but is sometimes necessary for newer models.
    • Optional Add-ons: Air purifiers, dehumidifiers, or smart thermostats can be bundled into the installation. These enhance comfort and indoor air quality, but they do come with extra costs.

    Most AC installations in Gresham range between $5,500 and $10,000, depending on the specifics. We offer free estimates and flexible financing to make things easier on your wallet.

    How Do I Choose My New Air Conditioner?

    Choosing the right AC system is about more than just price. Here are a few factors to consider:

    • Home Size & Layout: The square footage and layout of your home play a huge role in choosing a system. Multi-story homes may benefit from zoned cooling or mini-split systems, while single-level homes often pair well with central AC.
    • Energy Efficiency Goals: If lowering your energy bills is a priority, go for a system with a high SEER rating. Though the upfront cost is higher, the long-term savings can be substantial.
    • Existing Equipment: If you’re keeping your heating system, you’ll want a compatible AC unit. If you’re ready to upgrade everything, a dual-purpose heat pump might be a smarter investment.
    • Budget & Rebates: Keep in mind available energy-efficiency rebates and incentives in Oregon. We’ll help you find qualifying systems and maximize your savings.

    No matter your situation, our expert team will guide you to the best option for your home and your lifestyle.

    I Want to Replace My Old AC System: How Do I Dispose of the Old One?

    No need to worry about disposal—we’ve got it covered. When you schedule an AC replacement with us, we’ll safely remove and recycle your old unit according to EPA and local guidelines. That includes responsibly handling refrigerants, metal components, and electronic waste. We leave your home clean, cool, and clutter-free.

    Will a New Air Conditioner Help Me Save on Energy Bills?

    Yes. If you’re replacing an older system, you’re likely to see immediate savings. Modern AC units are designed with energy efficiency in mind, especially those with high SEER ratings (Seasonal Energy Efficiency Ratio). A higher SEER means less energy used to produce the same amount of cooling.

    When installed properly, a new system will cool your home more effectively while consuming less electricity. That means more comfort, better indoor air quality, and lower monthly energy bills—a win all around.

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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.

    Schedule Your New AC Installation & Replacement With Sunset in Gresham, OR

    Whether your current system’s on its last legs or you’re just ready to upgrade, Sunset Heating, Cooling, Electrical & Plumbing is here to make your air conditioning installation in Gresham, OR smooth and stress-free. From the initial quote to the final walkthrough, we bring the experience, professionalism, and personal touch you can count on.

     

    Call us today at (503) 773-6695 or schedule your free estimate online. We’ll help you beat the heat—and love the way your home feels again.

    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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