What is the Best Placement of an AC Unit

As the warmer months approach, ensuring your air conditioning system is optimized for comfort and efficiency becomes increasingly important. Whether you’re installing a new Carrier HVAC system or evaluating the performance of your current unit, placement plays a significant role in how well your air conditioner cools your home, how long it lasts, and how much you spend on energy bills. At Stone Heating & Air, we specialize in helping homeowners across Southern Oregon choose and install high-quality Carrier HVAC systems, tailored to your home’s needs and climate. One consideration many homeowners overlook is the best placement of an AC unit and how this decision impacts the performance and longevity of your HVAC system.

Why Placement Matters

Air conditioning units aren’t just plug-and-play appliances. The location of your outdoor condenser and indoor air handler affects everything from your system’s efficiency to its maintenance requirements. Poor placement can lead to:

• Reduced airflow and circulation
• Higher energy usage
• Increased exposure to dirt, debris, or direct sunlight
• More frequent repairs or a shorter system lifespan

Proper placement ensures your HVAC system doesn’t have to work harder than necessary, which saves you money and enhances indoor comfort.

Outdoor Unit Placement Considerations

Your outdoor air conditioning unit, also known as the condenser, houses components like the compressor and condenser coil. It needs enough space to “breathe,” free from obstructions and exposure to harsh conditions. Here are a few things to look for to find the best placement of an AC unit around your home:

1. Shade and Sunlight

Direct sunlight can heat the condenser and reduce its efficiency. Ideally, the unit should be placed on the north or east side of your home, where it’s shaded most of the day. If placement in direct sun is unavoidable, consider planting shrubs or installing a sunshade, but ensure these don’t impede airflow.

Avoid:

• Positioning the unit on the south or west sides where it gets the most sun.
• Enclosing the unit tightly with plants or fencing.

2. Clearance and Airflow

Your condenser needs adequate clearance on all sides—generally 12–24 inches—to allow for proper ventilation and heat dissipation. Insufficient space can cause the system to overheat and struggle to maintain a cool temperature indoors.

Best practices:

• Keep at least 24 inches of clearance around all sides.
• Ensure the top has at least 60 inches of vertical clearance (no overhanging branches or awnings).
• Avoid placing it in tight alleyways or beside solid walls blocking air circulation.

3. Noise and Location Relative to Living Spaces

Modern Carrier HVAC units are engineered to be quieter than ever, but it’s still wise to keep them away from bedrooms or areas where outdoor noise could be disruptive. Placement near patios or outdoor gathering areas may also be undesirable due to operational sounds.

Tip: Consider installing a sound barrier, like a small fence or hedge, but maintain airflow clearance as recommended.

4. Elevation and Drainage

Your outdoor unit should be installed on a flat, elevated surface—typically a concrete or composite pad. This prevents:

• Water accumulation during rain or snowmelt
• Insects or animals nesting inside
• Grass and dirt from blocking the coils

Avoid locations prone to flooding or puddling, and ensure the unit is level to protect the compressor.

Indoor Unit Placement Considerations

Indoor air handler placement also significantly impacts comfort and efficiency. Depending on the home’s layout, this component is usually installed in a utility room, attic, basement, or closet. If you’re planning a new HVAC system, here are some considerations for selecting the best placement of an AC unit and other indoor components.

1. Accessibility for Maintenance

Place the air handler in an area where technicians can easily access it for maintenance, filter replacement, and repairs. Avoid cramped or hard-to-reach locations.

2. Proximity to Thermostat and Ductwork

For optimal performance, the air handler should be close to your home’s central duct system and ideally near the thermostat. This helps maintain even temperatures throughout your home and reduces system strain.

3. Noise Considerations

Though newer Carrier systems are designed for quiet operation, placing the unit near bedrooms or living areas may still cause minor disturbances. If this is unavoidable, sound-dampening materials can be used during installation.

Ductless System Considerations

For homes using ductless Carrier mini-splits, placement flexibility is one of the most significant advantages. Still, there are some best practices to follow:

• Mount the indoor unit high on a wall for optimal airflow and cooling.
• Avoid placing it near heat sources (like stoves or direct sunlight).
• Choose a central location in larger rooms to ensure even cooling.

Outdoor condensers for mini-splits follow the same general guidelines as conventional systems regarding shade, airflow, and clearance.

Stone Heating & Air’s Expert Recommendation

The good news is you don’t need to figure out the best placement for an AC unit on your own. Each home is different, so it’s essential to have your HVAC system evaluated and installed by professionals who understand local weather conditions, building codes, and Carrier system specifications. At Stone Heating & Air, our team will:

• Inspect your home layout and recommend the best HVAC unit for your needs.
• Advise on the optimal location for indoor and outdoor components.
• Handle all installations in accordance with Carrier’s standards for maximum warranty protection.

Our priority is to ensure your system operates at peak efficiency while keeping your family cool and comfortable all summer.

Get Ready for Summer with a New Carrier System

Selecting the best placement of an AC unit can significantly impact its efficiency, maintenance needs, and home comfort. Following the best practices outlined above, alongside expert installation by Stone Heating & Air, ensures your home stays cool and energy bills remain manageable.

Don’t wait until the summer heat hits to upgrade your air conditioning. Now is the perfect time to prepare your home with a new, energy-efficient Carrier HVAC system from Stone Heating & Air. We offer a full range of products and services, including:

• Free consultations and system recommendations
• Expert installation by certified HVAC technicians
• Maintenance plans to keep your system running efficiently year-round

With decades of experience serving Southern Oregon homeowners, Stone Heating & Air has built a reputation for trusted service and superior Carrier product knowledge. Whether you’re looking for a central HVAC system, a ductless mini-split, or a hybrid solution, we’re here to help you make the best choice for your home.

Get ahead of the heat! Contact Stone Heating & Air today to schedule a consultation and learn more about our Carrier HVAC solutions. Let us help you stay cool, comfortable, and worry-free all summer long. Visit www.stoneheatair.com or call us to schedule your free consultation.