When it comes to air conditioning, there’s a lot of misinformation out there. From setting the temperature as low as possible to believing that bigger units provide better cooling. Many common AC myths can actually lead to higher energy bills, reduced efficiency, and unnecessary wear and tear on your system.
Let’s set the record straight by debunking some of the biggest air conditioning myths so you can keep your home comfortable and your system running efficiently.
Myth 1: Setting the Temperature Lower Cools Your Home Faster
Reality
Your air conditioner works at the same speed regardless of how low you set the temperature. If you set it to 16°C instead of 22°C, your AC won’t cool the room any faster—it will just keep running longer until it reaches that temperature, increasing your energy usage.
What to Do Instead
Set your temperature to a comfortable temperature (22–24°C) for efficient cooling. Using a programmable unit can also help maintain consistent indoor temperatures without unnecessary energy waste.
Myth 2: Bigger Air Conditioners Provide Better Cooling
Reality
An oversized air conditioning unit doesn’t necessarily mean better cooling. In fact, a unit that’s too large for your space will cool the area too quickly, leading to frequent cycling (turning on and off), which reduces efficiency and increases wear on the system. It can also result in poor humidity control, leaving your home feeling damp and uncomfortable.
What to Do Instead
Choose an air conditioner that’s properly sized for your home. A professional technician can assess your space and recommend the best system for maximum efficiency and comfort.
Myth 3: You Don’t Need to Service Your AC Unless It’s Broken
Reality
Just because your air conditioner is running doesn’t mean it’s in peak condition. Skipping regular maintenance can lead to reduced efficiency, higher energy bills, and unexpected breakdowns. Dust build up, clogged filters, and worn out components can all impact performance over time.
What to Do Instead
Schedule routine maintenance at least once a year. Regular servicing keeps your AC running efficiently, extends its lifespan, and helps detect potential issues before they become costly repairs.
Myth 4: Ceiling Fans Help Lower the Temperature in a Room
Reality
Ceiling fans don’t actually lower the temperature; they simply circulate air, creating a wind chill effect that makes you feel cooler. If you leave a fan running in an empty room, it won’t make the space any cooler—it will just increase your electricity usage.
What to Do Instead
Use ceiling fans in rooms where people are present to enhance airflow and make the room feel cooler. You can also set your temperature a few degrees higher when using fans, which helps save on cooling costs.
Myth 5: Air Conditioners Only Cool the Air
Reality
While cooling is the primary function of an air conditioner, it also plays a crucial role in regulating humidity levels and filtering airborne pollutants like dust, pollen, and pet dander. A well maintained AC system can significantly improve indoor air quality.
What to Do Instead
Keep your air filters clean and ensure regular AC maintenance to maintain good air quality. If you have allergies, consider upgrading to high efficiency filters or adding an air purifier to your system.
Myth 6: Running Your AC All Day Is More Efficient Than Turning It Off When You Leave
Reality
Leaving your air conditioner on all day when no one is home wastes energy. While some believe that turning the AC off and back on uses more power, modern systems are designed to operate efficiently when needed.
What to Do Instead
Use a programmable remote to adjust the temperature while you’re away and cool your home before you return. This approach saves energy while ensuring comfort when you need it.
Myth 7: All Air Conditioners Are the Same
Reality
Not all air conditioning systems are created equal. Different models have varying efficiency ratings, cooling capacities, and features that impact performance and energy consumption. Choosing the right type of AC for your home makes a significant difference in comfort and cost.
What to Do Instead
Research different air conditioning options, including split systems and ducted systems, to find the best fit for your needs. Consulting with a professional can help ensure you get the most efficient system for your home.
Keep Your AC Running Efficiently with the Right Knowledge
Believing common air conditioning myths can lead to inefficient cooling, higher energy bills, and unnecessary wear on your system. By understanding how your AC truly works, you can optimise its performance, improve energy efficiency, and extend its lifespan.
At Carrick Air Conditioning, we specialise in helping homeowners stay cool and comfortable all year round. Whether you need a quick repair, a system upgrade, or professional maintenance, we’ve got you covered.
If you want expert advice, get in touch today. A well maintained system means better performance, lower costs, and a more comfortable home all year round.