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Ductless AC Installation Services in Los Angeles

If you are in need of ductless AC installation services in Los Angeles, look no further than TES Heating & Cooling. As a local HVAC company, we prioritize our customers’ comfort by offering a range of services, including the installation of mini split, heat pumps, furnaces, package units, wall heaters, air ducts, attic ventilation & insulation, air conditioning systems, and HVAC tune-up & maintenance. With expertise in various types and brands of HVAC systems, we can customize the installation to meet your specific needs, whether for a commercial or residential property. For a top-notch custom installation experience, visit our website at www.tes-hvac.com, contact us via email at info@tes-hvac.com, or give us a call now at 424-400-6692 to get started with an estimate. Trust TES Heating & Cooling for all your ductless AC installation needs in Los Angeles.

Benefits of Ductless AC Installation

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Improved Energy Efficiency

Ductless AC systems are known for their energy efficiency. Unlike traditional central air conditioning systems that use ductwork, ductless systems operate on individual air handlers installed in different areas of the home or building. This allows for precise temperature control and reduces energy waste by only cooling the areas that are occupied. With a ductless AC system, you can enjoy energy savings and lower utility bills.

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Flexible Installation Options

One of the major advantages of ductless AC installation is the flexibility it offers. Since these systems do not require ductwork, they can be installed in homes or buildings that do not have existing ducts. Additionally, the indoor units can be mounted on walls, ceilings, or even placed on the floor, providing flexibility in terms of placement and design. This makes ductless AC systems suitable for a wide range of spaces and architectural layouts.

Better Indoor Air Quality

Ductless AC systems not only provide cooling but also help improve indoor air quality. Traditional AC systems with ductwork can accumulate dust, dirt, and other pollutants, which are then circulated throughout the space. In contrast, ductless systems use individual air handlers with their own filters, effectively reducing the presence of allergens, dust, and other airborne particles. This can greatly benefit individuals with allergies or respiratory conditions.

Zoned Cooling

Another significant advantage of ductless AC systems is the ability to create different temperature zones within a home or building. Each indoor unit functions independently, allowing occupants to set different temperatures in different areas. This zoned cooling feature not only provides personalized comfort but also helps conserve energy by avoiding excessive cooling in unoccupied spaces.

Enhanced Aesthetics

Ductless AC systems are designed to blend seamlessly with any interior decor. The sleek and compact indoor units can be discreetly mounted on walls or ceilings, minimizing the visual impact on the living or working space. Unlike traditional AC systems that require bulky ducts and vents, ductless systems offer a clean and modern look, enhancing the overall aesthetics of the area.

Choosing the Right Ductless AC System

Determining Your Cooling Needs

Before installing a ductless AC system, it is important to assess your cooling needs. Consider the size of the area to be cooled, the number of occupants, and any specific requirements. This will help determine the capacity and number of indoor units needed for optimal cooling.

Considering the Size of the Space

The size of the space plays a crucial role in selecting the right ductless AC system. Larger spaces may require multiple indoor units or larger capacity units to ensure effective cooling. On the other hand, smaller spaces may only require a single unit. Consulting with a professional HVAC technician can help determine the appropriate size and configuration for your specific needs.

Evaluating the Noise Level

When choosing a ductless AC system, it is essential to consider the noise level of the indoor and outdoor units. While modern ductless systems are generally quiet, some models may produce more noise than others. It is important to select units that operate quietly to ensure a peaceful and comfortable indoor environment.

Selecting the Appropriate SEER Rating

SEER (Seasonal Energy Efficiency Ratio) is a measure of a ductless AC system’s energy efficiency. Higher SEER ratings indicate better energy efficiency. It is recommended to choose a system with a higher SEER rating to ensure energy savings and overall cost-effectiveness in the long run.

Deciding on Indoor Unit Placement

The placement of the indoor units is an important decision during the ductless AC installation process. Factors like airflow, reach, and aesthetics should be taken into consideration. Proper placement ensures optimal cooling and comfort throughout the space, while also maintaining the visual appeal of the area.

The Ductless AC Installation Process

Site Inspection and Assessment

The first step in the ductless AC installation process is a thorough site inspection and assessment. An HVAC technician will evaluate the space, taking into account factors such as layout, electrical requirements, and any existing infrastructure. This allows for a customized installation plan tailored to the specific needs of the area.

Calculating the Load Requirements

Calculating the load requirements is an essential part of the installation process. It involves determining the cooling capacity needed to effectively cool the space based on factors like square footage, insulation, and heat-generating appliances. Accurate load calculations help ensure the proper sizing and selection of the ductless AC system.

Choosing the Right Indoor and Outdoor Units

Based on the load requirements and site assessment, the appropriate indoor and outdoor units are selected. Each unit is chosen to provide the desired cooling capacity and fit the installation area. Compatibility with the selected units is verified to ensure optimal performance and efficiency.

Preparation of the Installation Area

Before installing the indoor and outdoor units, the installation area needs to be prepared. This includes clearing any obstructions, ensuring proper ventilation, and making necessary adjustments to the area, if required. Proper preparation helps facilitate a smooth installation process and ensures the longevity of the system.

Installation of the Indoor and Outdoor Units

Once the area is prepared, the indoor and outdoor units can be installed. The indoor units are mounted on walls, ceilings, or floors according to the predetermined placement plan. The outdoor unit is usually mounted on a stable surface outside the building. The installation process includes securing the units, connecting refrigerant lines, and ensuring proper electrical connections.

Electrical and Refrigerant Line Connection

Proper electrical and refrigerant line connections are critical for the functioning of the ductless AC system. Electrical wiring is carefully connected to ensure safe and reliable operation. Refrigerant lines are installed, connecting the indoor and outdoor units, allowing for the transfer of refrigerant and heat.

Testing and Commissioning

After the installation is complete, the system is thoroughly tested and commissioned. This involves turning on the system, checking for proper airflow, temperature control, and overall functionality. Any adjustments or fine-tuning required are done at this stage to ensure optimal performance.

Caulking and Insulation

To maximize energy efficiency and minimize air leakage, caulking and insulation are applied during the installation process. This helps seal any gaps or openings around the indoor and outdoor units, ensuring that conditioned air remains inside the space and unconditioned air stays outside.

Final System Check

Before completing the installation process, a final system check is performed. This includes a comprehensive inspection of all components, connections, and controls to ensure everything is in proper working order. The HVAC technician will also provide instructions on how to operate and maintain the newly installed ductless AC system.

Why Hire Professional Ductless AC Installation Services

Expertise and Technical Knowledge

Professional ductless AC installation services bring expertise and technical knowledge to the table. Trained technicians have in-depth knowledge of various ductless systems, their installation requirements, and best practices. This ensures a seamless and efficient installation process, minimizing the risk of errors or issues.

Proper Equipment and Tools

Professional installers have access to the proper equipment and tools required for ductless AC installation. This includes specialized tools for mounting, electrical connections, and refrigerant line installation. Having the right equipment ensures the installation is done accurately and efficiently, without compromising the performance of the system.

Compliance with Building Codes

Ductless AC installation must comply with local building codes and regulations. Professional installers are well-versed in these codes and ensure that the installation meets all necessary requirements. This ensures the safety and legality of the installation while avoiding potential penalties or issues with insurance coverage.

Warranty Coverage

When hiring professional ductless AC installation services, you can benefit from warranty coverage provided by the manufacturer. Many manufacturers require professional installation to validate their warranties. By choosing professional installation, you can enjoy the peace of mind that comes with warranty coverage, protecting your investment in the long run.

Safety and Insurance

Ductless AC installation involves working with electrical components and refrigerant lines, which can be potentially hazardous if not handled properly. Professional installers are trained to prioritize safety throughout the installation process. Additionally, reputable installation companies carry insurance to protect against any unforeseen accidents or damages that may occur during the installation.

Factors Affecting the Cost of Ductless AC Installation

Number of Indoor Units

The number of indoor units required for a ductless AC installation directly impacts the cost. Each indoor unit adds to the overall cost of the system and installation. Larger spaces or multiple rooms may require more indoor units, which can increase the total cost.

Size and Complexity of the Project

The size and complexity of the project also play a role in determining the cost of ductless AC installation. A larger space or a project that involves additional infrastructure modifications may require more labor and resources, resulting in higher costs.

Inclusion of Additional Features

Ductless AC systems offer various additional features, such as advanced filtration, smart thermostat compatibility, and zoning capabilities. The inclusion of these features can increase the cost of both the system and the installation. However, these features may provide added benefits and convenience.

Accessibility of the Installation Area

The accessibility of the installation area can influence the cost of ductless AC installation. If the area is challenging to access or requires special equipment or modifications, the installation process may become more complex, resulting in additional costs.

Labor Costs

Labor costs are a significant factor in the overall cost of ductless AC installation. The complexity of the installation, the number of units, and any additional requirements, such as electrical work or ductwork modifications, can all impact the labor costs. It is essential to factor in the expertise and experience of professional installers when considering labor costs.

Preparation for Ductless AC Installation

Clearing the Installation Area

Before the installation process begins, it is necessary to clear the installation area. Remove any furniture, decorations, or obstacles that may hinder the installation process. Clearing the area allows for efficient and unobstructed installation of the indoor and outdoor units.

Ensuring Proper Electrical Supply

Ductless AC systems require a dedicated electrical supply to operate effectively. Before the installation, ensure that the electrical system can accommodate the power requirements of the system. If necessary, consult with an electrician to make any necessary upgrades or modifications to the electrical supply.

Determining Placement of Indoor Units

Decide on the placement of the indoor units before the installation process begins. Consider factors like airflow, aesthetics, and functionality when determining the best location for each unit. Proper placement ensures efficient cooling and optimal comfort throughout the space.

Clear Communication with the Installer

Clear communication with the installer is crucial to ensure a successful installation process. Discuss your requirements, concerns, and any specific requests with the installer before the installation begins. This allows the installer to understand your needs and tailor the installation accordingly.

Making Accommodations for Installation

During the installation process, accommodations may need to be made for the installation of the indoor and outdoor units. This may involve drilling holes for refrigerant line connections, making adjustments to walls or ceilings for proper unit mounting, or arranging for temporary relocation of furniture or belongings. Cooperating with the installer and making the necessary accommodations ensures a smooth installation process.

Maintenance and Care for Ductless AC Systems

Regular Filter Cleaning and Replacement

Regular filter cleaning and replacement are essential for maintaining the efficiency and performance of a ductless AC system. Dirty or clogged filters restrict airflow, reducing cooling capacity and increasing energy consumption. Clean or replace the filters as recommended by the manufacturer to ensure optimal airflow and clean indoor air.

Clearing the Condensate Drain Line

Ductless AC systems produce condensate as a byproduct of cooling. This condensate is drained through a condensate drain line. Over time, the drain line can become clogged or blocked, leading to water leakage or damage. Regularly inspect and clear the condensate drain line to prevent any issues.

Inspecting and Cleaning the Outdoor Unit

The outdoor unit of a ductless AC system requires regular inspection and cleaning. Check for any debris, leaves, or dirt that may accumulate around the unit and obstruct airflow. Gently clean the unit with a soft brush or cloth to remove any build-up, ensuring optimal airflow and efficiency.

Checking for Refrigerant Leaks

Refrigerant leaks can significantly impact the performance and efficiency of a ductless AC system. Periodically check for any signs of refrigerant leaks, such as reduced cooling capacity or unusual noises. If a leak is suspected, it is important to contact a professional HVAC technician for repair.

Scheduling Professional Maintenance

While regular maintenance tasks can be performed by the homeowner, it is recommended to schedule professional maintenance for a ductless AC system. Professional maintenance includes comprehensive inspections, cleaning, and tune-ups, ensuring the system is in optimal condition and minimizing the risk of breakdowns or inefficient operation.

Common Issues with Ductless AC Systems

Inadequate Cooling or Heating

If a ductless AC system is not providing adequate cooling or heating, it may indicate an issue with the system. Common causes can include dirty filters, refrigerant leaks, or malfunctioning components. It is recommended to promptly contact a professional HVAC technician to diagnose and resolve the issue.

Frozen Indoor Unit

A frozen indoor unit is a common problem in ductless AC systems. This can occur due to restricted airflow, low refrigerant levels, or dirty coils. If the indoor unit is frozen, it is important to turn off the system and contact a professional technician to assess and correct the issue.

Leaking Water

Water leakage from a ductless AC system can be caused by a clogged condensate drain line or improper installation. If water is leaking from the indoor or outdoor unit, it is important to address the issue promptly to prevent water damage or system malfunction.

Strange Noises

Unusual noises coming from a ductless AC system can indicate loose parts, debris in the unit, or malfunctioning components. If you notice any strange noises, it is recommended to have the system inspected by a professional to identify and resolve the issue.

Faulty Remote Control

If the remote control of a ductless AC system is not responding or is malfunctioning, it may be due to battery issues or a faulty remote control unit. Replace the batteries and check for proper functioning. If the problem persists, contact a professional technician to evaluate and repair the remote control unit.

Troubleshooting Tips for Ductless AC Systems

Check for Power Supply Issues

If a ductless AC system is not functioning, check for any power supply issues. Ensure that the unit is receiving power and that the circuit breaker or fuse is not tripped. If there are any power supply issues, consult a professional electrician to diagnose and resolve the problem.

Inspect the Remote Control

If the ductless AC system is not responding to the remote control commands, inspect the remote control unit. Check the batteries and replace them if needed. If the issue persists, it may indicate a faulty remote control unit that needs to be repaired or replaced.

Clean or Replace the Air Filters

Dirty or clogged filters can restrict airflow and decrease cooling performance. Regularly clean or replace the air filters as recommended by the manufacturer to ensure optimal airflow and system efficiency. Clean filters contribute to better indoor air quality as well.

Clear Obstructions around the Indoor Unit

Obstructions around the indoor unit can hinder airflow and reduce cooling capacity. Ensure that there are no furniture, curtains, or other objects blocking the airflow from the indoor unit. Clearing obstructions ensures efficient cooling and optimal performance.

Schedule Professional Diagnosis

If troubleshooting tips do not resolve the issue with a ductless AC system, it is recommended to schedule professional diagnosis and repair. HVAC technicians have the expertise and tools to efficiently identify and resolve complex issues, ensuring the system operates at its best.


Ductless AC installation offers numerous benefits, including improved energy efficiency, flexible installation options, better indoor air quality, zoned cooling, and enhanced aesthetics. By choosing the right ductless AC system and hiring professional installation services, you can ensure reliable performance and maximize the lifespan of the system. Additionally, regular maintenance and prompt resolution of common issues contribute to the longevity and efficiency of your ductless AC system. With careful consideration and proper care, a ductless AC system can provide year-round comfort and energy savings for your home or commercial space.

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