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How to Choose the Right Air Conditioner for Your Home

Welcome to the Accustom Air blog, your guide to making the perfect choice when selecting an air conditioner for your home. As the seasons change and temperatures rise, finding the ideal cooling solution becomes a priority. But with many options available in the market, each promising efficiency and comfort, making the right decision can be daunting. That’s where we come in – your trusted partner in navigating the world of air conditioning.

In this blog post, we’ll take you through the factors that matter most when selecting the right air conditioner for your home. From understanding different types of AC systems and sizing considerations to exploring features that enhance comfort and efficiency, our goal is to empower you with the knowledge you need to make the best decision for your space and lifestyle.

So, let’s dive into the world of air conditioner selection together. With Accustom Air by your side, you can look forward to a summer of cool, refreshing comfort and a home that’s perfectly tailored to your cooling desires.

Choosing the Right Type of Air Conditioner

Choosing the correct air conditioning unit is essential to ensure optimal cooling performance and energy efficiency in your home or office. With various options available, it’s important to consider factors such as the size of the space, your cooling needs, and your budget. Here are some popular types of air conditioners and their key features:

  • Window Air Conditioners: Window AC units are compact and designed to fit in a window opening. They are affordable and easy to install, making them a popular choice for smaller spaces. Window air conditioners are suitable for cooling individual rooms or small apartments.
  • Split System Air Conditioners: Split AC systems consist of an indoor unit and an outdoor compressor unit connected by refrigerant lines. Depending on the model, they offer flexibility as they can cool multiple rooms or zones. Split ACs are quieter and provide better aesthetics as the indoor unit is mounted on the wall or ceiling.
  • Central Air Conditioning: Central air conditioner systems are ideal for cooling larger spaces or entire homes. They distribute cool air through ductwork and vents, providing consistent and even cooling throughout the building. Central ACs are more expensive to install but offer efficient cooling and increased convenience.
  • Portable Air Conditioners: Portable AC units are versatile and easy to move, making them suitable for cooling specific areas as needed. They require a vent to exhaust hot air, usually through a window or a specially designed opening. Portable air conditioners are a good option for renters or those requiring temporary cooling solutions.
  • Ductless Mini-Split Air Conditioners: Ductless mini-split systems combine split ACs’ flexibility with central air conditioning’s efficiency. They consist of an outdoor compressor unit and one or more indoor units mounted on walls or ceilings. Ductless mini-splits are ideal for cooling specific zones or areas without extensive ductwork.

Factors to Consider When Buying An AC Unit

When buying an AC unit, several factors must be considered to ensure you select the right one for your needs. These factors will help you determine the unit’s appropriate size, energy efficiency, and features. Here are the key factors to consider when purchasing an AC unit:

  • Cooling Capacity: The cooling capacity of an AC unit is measured in British Thermal Units (BTUs). Choosing a unit with the appropriate cooling capacity is important for the size of the room or space you want to cool. A unit with insufficient capacity will struggle to cool the area effectively, while one with excessive capacity will waste energy and may lead to excessive cooling or humidity issues.
  • Energy Efficiency: Look for AC units with high Energy Efficiency Ratio (EER) or Seasonal Energy Efficiency Ratio (SEER) ratings. Higher ratings indicate greater energy efficiency, leading to lower energy consumption and reduced energy usage. Energy-efficient units save you money on power bills and have a smaller environmental footprint.
  • Noise Levels: Consider the noise levels produced by the AC unit. Some units are specifically designed to operate quietly, making them suitable for bedrooms, offices, or spaces where noise is a concern. Look for units with noise ratings mentioned in decibels (dB) to ensure a comfortable and peaceful environment.
  • Installation Requirements: Different AC units have different installation requirements. Window units are typically easy to install in a compatible window opening, while split system air conditioning installation may require professional assistance for indoor and outdoor unit placement. Consider the installation process and any additional costs associated with it.
  • Additional Features: AC units have various features that enhance convenience and comfort. Examples include programmable thermostats, remote controls, sleep mode, air purifiers, dehumidifiers, and smart home integration. Evaluate which features are important to you and choose a unit that offers the desired functionalities.
  • Budget: Determine your budget for purchasing an AC unit, including the initial cost, installation charges, and potential long-term operating costs. It’s important to balance upfront expenses and long-term energy savings to make an informed decision.
  • Brand Reputation and Warranty: Consider the major air conditioner brands like Mitsubishi Heavy Industries, Fujitsu General, Mitsubishi Electric, etc. and the warranty offered with the unit. A reputable brand with a strong track record will likely provide reliable performance and better customer support. A longer warranty period offers added peace of mind and protection against unexpected issues.
  • Size of the Room: The size of the room or space you want to cool is critical in choosing the right AC unit. An undersized unit will struggle to cool a large area, while an oversized unit may cool the room too quickly, leading to frequent on/off cycles and inadequate humidity control. Measure the room’s square footage and consult the AC unit’s cooling capacity (measured in BTUs or tons) to ensure a proper match.
  • Climate and Weather Conditions: The climate and weather conditions in your region influence the cooling requirements of your space. A higher cooling capacity may be necessary to combat the heat in hot and humid climates. In areas with milder temperatures, a lower capacity unit may be sufficient. Additionally, areas with significant temperature fluctuations may benefit from units with advanced features like dual-mode operation or heat pump functionality.
  • Capacity or Tonnage: AC units are rated by their cooling capacity, commonly expressed in tons. One ton of cooling capacity is equal to 12,000 BTUs per hour. The appropriate tonnage depends on factors like room size, insulation, ceiling height, number of windows, and heat-generating appliances. It’s important to consult an HVAC professional who can perform a load calculation to determine the ideal tonnage for your specific needs.
  • Insulation and Sun Exposure: The insulation levels of your space impact its cooling requirements. Well-insulated rooms retain cool air more effectively, reducing the workload on the AC unit. Consider the amount of sun exposure the room receives, as direct sunlight can significantly impact cooling needs. If the room is exposed to sunlight for extended periods, you may require a higher cooling capacity.
  • How to do a proper calculation: Properly calculating the appropriate air conditioner size before purchasing is crucial for optimal cooling efficiency. Consider the room’s square footage, insulation quality, sun exposure, and ceiling height. Use an AC sizing calculator or consult with HVAC professionals to determine your space’s proper cooling capacity (measured in BTUs), avoiding oversizing or under sizing issues and ensuring comfortable indoor temperatures.
  • Using a professional to figure out your air conditioning needs: When it comes to determining your air conditioning needs, enlisting the expertise of a professional HVAC technician can make a significant difference. These professionals bring a wealth of knowledge, assessing various factors that impact your cooling requirements. From the dimensions and layout of your space to the quality of insulation and even the local climate, HVAC technicians have the experience to accurately calculate the ideal size and type of air conditioner for your specific needs. Their insights extend beyond mere sizing – they ensure proper installation, considering factors like airflow, ductwork, and system compatibility. By relying on their expertise, you can expect optimal comfort, efficient cooling and a system that aligns with your budget and long-term energy-saving goals.


As we conclude our exploration into selecting the perfect air conditioner for your home, we hope you feel equipped to make an informed decision that aligns with your comfort, efficiency, and lifestyle goals. At Accustom Air, we understand that choosing the right cooling solution is a pivotal decision directly impacting your daily living experience.

Remember, every home is unique, as are the factors influencing your air conditioning needs. Considering your home’s size, layout, insulation, and personal preferences, you’re setting the stage for an indoor environment that brings you year-round comfort.

At Accustom Air, we’re not just about selling air conditioners but delivering customised comfort solutions that elevate your living spaces. Our commitment to excellence means we’re here to answer your questions, provide expert guidance, and ensure that the air conditioner you choose fits your home perfectly.

Contact Accustom Air for further assistance or explore our premium air conditioning solutions range. Here’s to a season of ultimate comfort and a home environment that perfectly suits your needs.