Singapore’s hot and humid climate makes air conditioning a necessity rather than a luxury. If you’re planning to buy an aircon, you’ve probably come across the debate of inverter vs non-inverter aircon.
Which one should you choose? Which is more energy-efficient? Which will save you more money in the long run?
In this guide, we’ll break down the key differences, advantages, and disadvantages of both types to help you make an informed decision, with a focus on the benefits of inverter technology.
What is Inverter Technology in Aircon?
An inverter air conditioner is equipped with a variable-speed aircon compressor that adjusts its power and compressor speed based on the temperature in the room.
Instead of turning on and off repeatedly like a traditional aircon, an inverter system continuously regulates the temperature, leading to greater efficiency.
Benefits of an Inverter Aircon
Energy Efficiency – Inverter air conditioners use a variable-speed compressor to adjust and maintain the desired temperature, resulting in more consistent cooling, lower energy consumption, and reduced noise compared to non-inverter models.
Lower Electricity Bills – Although inverter air conditioners are more expensive upfront, they help reduce energy costs in the long run.
Quieter Operation – With a smoother and more consistent operation, inverter aircons produce less noise.
Faster Cooling – The compressor runs at a variable speed, allowing the aircon to cool the room quickly.
Longer Lifespan – Because the compressor doesn’t go through frequent on-off cycles, it experiences less wear and tear.
Best Inverter Aircon Models in Singapore
Here are some popular inverter air conditioners in Singapore:
Daikin iSmile Series – Offers excellent energy efficiency and smart control features.
Mitsubishi Electric Starmex Inverter Series – Known for its quiet operation and reliability.
Panasonic XU Series Inverter Aircon – Features nanoe™X air purification technology for cleaner air.
LG ArtCool Plus Inverter Aircon – Provides both energy savings and stylish design.
What is a Non-Inverter Aircon?
A non-inverter air conditioner operates at a fixed speed, meaning that the compressor is either fully on or completely off. Non inverter ac units don’t regulate the temperature dynamically, which can result in higher energy consumption.
Benefits of a Non-Inverter Aircon
Lower Initial Cost – Non-inverter aircons are generally more affordable compared to inverter models. Non inverter models operate using a basic on/off method, which results in a lower initial cost.
Simple and Reliable – With fewer components and no variable-speed compressor, non-inverter air conditioners require less maintenance.
Ideal for Short-Term Use – If you use aircon only for a few hours a day, the energy savings from an inverter model may not be significant.
Best Non-Inverter Aircon Models in Singapore
Here are some reliable non-inverter air conditioners in Singapore:
Midea Window Aircon (MWTF-09CMN1) – Budget-friendly and easy to install.
Sharp AH-A9ZC Non-Inverter Aircon – Offers good cooling performance at an affordable price.
EuropAce EPAC 12C Portable Aircon – A good option for rental apartments or temporary cooling solutions.
Toshiba RAS-M18U2 Non-Inverter Aircon – Provides strong cooling power for larger rooms.
Key Differences: Inverter vs Non Inverter AC
Feature | Inverter Aircon | Non-Inverter Aircon |
Energy Efficiency | High – Adjusts speed to save power compared to non inverters | Low – Runs at fixed speed |
Electricity Bills | Lower in the long run | Higher due to constant on/off cycles |
Cooling Speed | Faster cooling with improved cooling capacity | Slower cooling |
Noise Level | Quiet due to variable speed compressors | Can be noisy when compressor turns on/off |
Upfront Cost | More expensive | Cheaper |
Lifespan | Longer due to fewer on/off cycles | Shorter due to frequent starts and stops |
Maintenance and AC Repair Cost | Slightly higher due to complex components. | Lower due to simpler mechanics |
Which Aircon is Best for You?
The decision between an inverter and non-inverter aircon depends on your needs and budget. Inverter units are known for their energy efficiency and ability to maintain consistent temperatures.
They feature variable speed compressors that adapt to cooling needs, reducing energy waste and wear on the system, which can lead to lower energy bills and improved performance in varying conditions.
Here’s a quick guide to help you decide:
Choose an Inverter Aircon if:
✔ You use aircon for long hours daily.
✔ You want to save on electricity bills in the long term with inverter type air conditioners, which offer lower operating costs during peak performance compared to non-inverter models.
✔ You prefer quieter operation.
✔ You are looking for an environmentally friendly option.
Choose a Non-Inverter Aircon if:
✔ You have a tight budget and need a low-cost solution, making non inverter acs a suitable choice.
✔ You use aircon only for short periods.
✔ You don’t mind higher electricity bills.
✔ You prefer a simple, easy-to-maintain system.
Energy Efficiency Cost Comparison in Singapore
Let’s compare the estimated monthly electricity costs between the two types of aircons in Singapore, highlighting the savings on electricity compared to non-inverter models, assuming an 8-hour daily usage:
Aircon Type | Estimated Monthly Cost |
Inverter Aircon (9000 BTU, 5 Ticks) | ~$30 - $40 |
Non-Inverter Aircon (9000 BTU, 2 Ticks) | ~$60 - $80 |
Note: Costs are approximate and based on standard electricity rates in Singapore.
Final Verdict: Which One Should You Get?
If you’re looking for long-term savings and better efficiency, inverter ACs are the best choice. Despite the higher initial cost, they pay off through lower electricity bills and a longer lifespan.
However, if you’re on a tight budget and only need an aircon for occasional use, a non-inverter aircon might be a more economical option.
Before making a purchase, always check the NEA energy rating and choose a reputable brand with good customer support. Whether you go for an inverter or non-inverter aircon, selecting the right model based on your needs will ensure optimal comfort in Singapore’s tropical heat.
Looking for Aircon Installation or Maintenance?
If you need professional aircon installation, servicing, or maintenance in Singapore, be sure to engage a trusted aircon contractor. Regular servicing can keep your unit running efficiently and extend its lifespan.
Do you have any questions about inverter vs non-inverter aircons? Let us know in the comments! You can also refer to air conditioner buying guides or air conditioner playbooks for more insights on choosing the ideal air conditoner for your home.
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