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How To Choose The Right Size Commercial AC System

July 31, 2023

Whether you're managing a commercial complex or a corner café, ensuring optimal temperature control is an important aspect of running a business. When it comes to commercial air conditioning, it can be difficult to know what size system you need. So, how do you select the right size for your commercial air conditioning system? This guide will walk you through some key factors to consider.

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Understanding the Size of Air Conditioners

Let's start by understanding the size of an air conditioning system. The term doesn't refer to the physical dimensions of the unit but rather its cooling capacity. This capacity is typically measured in kilowatts (kW), which represent the system's ability to remove heat from your premises. Here's a quick breakdown of the typical sizes:

Up to 20 kW: These are often suitable for smaller spaces like boutique retail stores or compact offices.
20-40 kW: A great fit for medium-sized premises such as larger retail spaces, medium-sized restaurants or small commercial buildings.
Over 40 kW: These systems are designed for large commercial or industrial spaces that need a significant cooling capacity.

Factors to Consider When Selecting Size

Selecting the right size for your commercial air conditioning system involves several key factors that can influence the ideal system size:

Size of Your Commercial Space: It is one of the most important factors. Larger spaces will generally require a higher-capacity system to effectively cool the entire area.
Insulation Level: The insulation level of your building can significantly affect your cooling needs. A well-insulated building can trap cool air inside and prevent hot air from entering, reducing the amount of cooling required.
Occupancy: The number of people who occupy your space regularly can also impact the ideal system size. More people produce more body heat, which can quickly add up in a crowded office or busy retail store.
Other Heat Sources: This includes any potential heat sources in the building, such as machinery, computers and other electronics. Sunlight, particularly in spaces with large windows, can also increase the amount of cooling required.

The Risks of Incorrect Sizing

Choosing a system that's either too large or too small for your needs can create several problems. Oversized systems are not only more costly upfront but can also lead to issues like frequent cycling, where the system constantly turns on and off. This can cause increased wear and tear, leading to potential system failures and higher energy costs. Undersized systems, on the other hand, might struggle to cool your space effectively, causing them to run continuously. This constant operation can result in increased energy bills and a shorter system lifespan due to the constant strain.

Consult a Professional for Advice

At Rapidcool Air Conditioning & Electrical, we offer air conditioner installation services for residential and commercial properties. Our team can help you find the right system for your business needs, ensuring that your commercial air conditioning system is precisely the right size for your premises. Reach out to us and take the first step towards optimal temperature control for your business.