How to Choose the Right Sized Air Conditioner for Your Room

Airconditioner installations

When it comes to keeping your home comfortable year-round, selecting the right-sized split-system air conditioner is crucial. A properly sized unit will efficiently heat and cool your space, saving you money on energy bills while providing optimal comfort. Solark, a trusted electrical business in Perth, WA, specialises in the installation of high-quality split-system air conditioners to suit your needs. Here’s how to choose the perfect air conditioner size for your room.

Why Size Matters

Choosing an air conditioner that is too small will struggle to heat or cool your space, running constantly without achieving the desired temperature. On the other hand, an oversized unit will cycle on and off frequently, leading to inefficient energy use, higher electricity bills, and uneven temperature control. The right-sized unit will ensure consistent comfort, energy efficiency, and longevity of the system.

Factors to Consider When Choosing Air Conditioner Size

1. Room Size

The most important factor is the size of your room. Air conditioners are measured in kilowatts (kW), with higher capacities suited for larger spaces. As a general guide:

2. Insulation

Well-insulated homes require less energy to maintain temperature. If your home is well-insulated, you may be able to choose a smaller unit. Conversely, older homes with little insulation may need a more powerful system.

3. Windows and Sunlight Exposure

Large windows or rooms exposed to direct sunlight can increase the temperature significantly, requiring a more powerful air conditioner. Curtains, blinds, or tinted windows can help reduce the load on your system.

4. Ceiling Height

Standard ceiling heights (2.4m) are accounted for in most sizing guides. If your ceilings are higher, more air volume will need to be cooled or heated, increasing the size of the required unit.

5. Number of Occupants

Rooms frequently occupied by multiple people will generate more heat, which needs to be factored into the air conditioner’s capacity.

Professional Sizing and Installation

While these factors offer a helpful guide, the best way to ensure you choose the right split-system air conditioner is to seek professional advice. Solark’s experienced technicians can assess your space, recommend the ideal unit size, and provide expert installation for maximum efficiency and comfort.

What this means:

Selecting the right-sized split-system air conditioner will improve your home’s comfort, energy efficiency, and longevity. With Solark’s expert advice and installation services, you can enjoy year-round climate control tailored to your space. Contact Solark today to discuss your air conditioning needs and book a consultation.


Solark – Your Trusted Electrical Experts in Perth, WA.

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