❄️ Winter: false warmth
You request 22°C. Warm air gets trapped at the ceiling. The sensor "sees" 22°C quickly - and shuts off. You on the sofa (0.8 m height) may still be at 18°C.
AC Remote Controls & The I-Feel Function: The Secret to Perfect Comfort
How many times have you set the air conditioner to 25°C, and while the display says "reached", you're still sweating on the sofa (or freezing in winter)? The problem isn't the machine - it's where its "eye" is located.
Let's see how the remote control can become the ultimate portable thermostat for your space.
1. The Problem: The Machine Measures… the Ceiling
In a standard wall-mounted split unit, the temperature sensor sits inside the indoor unit, behind the filters, high on the wall. That's where hot air rises - and where cold air pools in winter.
☀️ Summer: reverse problem
Cold air sinks. The sensor up high still reads 28°C, while your feet are freezing at 20°C. Result: excessive cooling and wasted energy.
📏 Temperature difference
In tall rooms (2.80+ m), thermal stratification can reach 3-4°C between floor and ceiling. What the sensor "sees" doesn't match what you feel.
🎯 Why it matters
Every degree off-target = +6-8% consumption. If the sensor is fooled by 3°C, you pay ~20% extra for nothing.
2. The Solution: The I-Feel (Follow Me) Function
Manufacturers embedded a second, hidden temperature sensor inside the remote control itself. Press the "I-Feel" or "Follow Me" button and something magical happens.
🔄 What happens
1) The AC's built-in sensor deactivates. 2) The remote's sensor activates. 3) The AC chases the setpoint where the remote is - right beside you.
📡 How it communicates
Every 3-5 minutes, the remote sends an infrared (IR) signal to the unit: "down here it's still 20°C, keep going". Without this signal, the function cancels silently.
🎯 Result
With the remote on the coffee table, the AC keeps running until 22°C reaches you - not the ceiling.
📋 Which brands support it
Nearly all major brands (Daikin, Mitsubishi, LG, Samsung, Toshiba, Gree, Midea). Look for the person icon or the words "I-Feel" / "Follow Me" on your remote.
3. The 3 Golden Rules for Correct Use
The remote is now the system's "brain". Use it wrong and the AC will "go haywire".
👁️ Rule 1: Line of sight
The remote sends an infrared (IR) signal. Hide it under a cushion, in a drawer, or behind a column, and the function cancels silently. It must always "see" the indoor unit.
🔥 Rule 2: Away from heat
Rest the remote on a hot laptop, next to a mug of hot coffee, or in direct sunlight, and the sensor reads 30°C. Result: ice-cold air non-stop.
📍 Rule 3: In your "living zone"
In bed → nightstand. In the living room → coffee table beside you. Don't leave it on the TV unit across the room.
⚠️ Common mistake
User activates I-Feel, leaves the remote next to the sunny balcony door, then complains "the AC won't stop cooling". The sensor reads 32°C - and that's exactly what it does.
4. Portable Thermostat: The Summary
The I-Feel function transforms your remote into a smart, portable thermostat. It overrides the physics error (hot air high up) and forces the AC to work for your real comfort.
🏠 Ideal winter scenario
AC in heating, 22°C. Remote on the coffee table (50 cm height). The sensor reads the temperature at human level. Heating stops only when the space is truly warm.
☀️ Ideal summer scenario
AC in cooling, 25°C. Remote beside you on the sofa. Cooling doesn't shut off until your zone is refreshed - ending the waste caused by the ceiling sensor.
💰 Savings
Correcting the 2-4°C gap between ceiling and living level saves 12-25% consumption - at zero purchase cost. The function already exists in your remote.
🎯 Remember
Line of sight. Away from heat. Beside you. These 3 rules are all you need to turn I-Feel into a real tool for comfort and economy.
📱 I-Feel turns your remote into a portable thermostat. It overrides the false ceiling sensor. Rules: line of sight, away from heat, beside you.
Related Articles
5 Tragic Thermostat Placement Mistakes Mechanical vs Digital Thermostats: The Cheapest 10% Saving Smart Thermostats (Wi-Fi) Zone Control (Zoning): Room Autonomy Guide
Automation, Controls & BMS
Return to category.
Go to categoryCentral Guide
Return to the central guide.
Go to guide