How to Set Up an Air Conditioner Timer for Maximum Energy Savings

How to Set Up an Air Conditioner Timer

Using your air conditioner's timer function is one of the simplest ways to reduce your electricity bills without sacrificing comfort. By programming your air conditioner to turn on and off at set times, you avoid running it when you don't need it and ensure the room is comfortable when you arrive. This guide explains how to set an air conditioner timer on the most common systems.

Why Use the Timer?

• Energy savings: Air conditioners are one of the biggest contributors to electricity bills. Running them only when needed cuts costs significantly.
• Comfort on arrival: Program the air conditioner to turn on 15–20 minutes before you get home so the room is already at your preferred temperature.
• Sleep comfort: Set a timer to turn off the air conditioner 1–2 hours after you fall asleep, then back on in the early morning if needed.
• Avoid forgetting to turn it off: An off timer prevents the air conditioner running all day if you forget to turn it off before leaving.

Timer Types on Air Conditioners

Most split system air conditioners offer two types of timers:

1. Simple on/off timer: Programs the unit to turn on or off after a set number of hours from now. E.g. "turn off in 3 hours."
2. 24-hour clock timer: Programs the unit to turn on and off at specific times of day. E.g. "turn on at 6:00am and off at 8:00am, then on again at 5:30pm."

Premium models from Daikin, Mitsubishi Electric and Samsung often include weekly scheduling, allowing different programs for weekdays and weekends.

Setting a Simple On/Off Timer (Most Remote Controls)

1. Turn on the air conditioner and set your preferred temperature and mode.
2. Press the Timer or ON/OFF Timer button on the remote.
3. Use the arrow buttons to set the number of hours until the air conditioner should turn off (or on).
4. Confirm by pressing Set or Timer again.
5. The timer icon will appear on the remote control display to confirm it is active.

Setting a 24-Hour Clock Timer

1. Put the air conditioner into the desired mode and temperature first.
2. Press Timer (or access the timer menu on the remote).
3. Set the ON time (the time you want the unit to turn on) using the arrow buttons.
4. Set the OFF time (the time you want the unit to turn off).
5. Press Set or confirm.

Consult your model's manual for the exact button sequence, as it varies between brands and models.

Using Smart Phone Control

Most modern air conditioners from Samsung, Daikin, Mitsubishi Electric and LG have companion phone apps that allow you to set schedules from your phone:

• Samsung: SmartThings app
• Daikin: Daikin Mobile Controller or Onecta app
• Mitsubishi Electric: MELCloud app
• LG: LG ThinQ app

Phone-based scheduling is more flexible than the remote control, allowing weekly programs, geofencing (auto on when you arrive home) and remote control from anywhere.

Tips for Maximum Energy Savings

• Set the timer to turn on 15–20 minutes before you need cooling rather than leaving it on all day.
• Keep the target temperature at 24–26°C for cooling. Each degree lower increases energy consumption by approximately 10%.
• For sleep, set a 2-hour off timer and sleep mode (which slowly raises the set temperature as you sleep).
• Use the weekly scheduler if your routine is consistent — it removes the need to set a timer daily.

Shop Air Conditioners at Oceania Appliances

We stock reverse cycle split systems from Daikin, Mitsubishi Electric, Samsung and LG at our Wetherill Park showroom.

• Showroom: 2/14 Centre Place, Wetherill Park NSW 2164
• Phone / WhatsApp: 0422 489 492
• Email: support@oceaniaappliances.com.au