Where Can I Get IR Codes for Air Conditioners? Reliable Sources and Fallbacks

There is no dependable public list containing working infrared (IR) codes for every air conditioner. AC commands are often model-specific and may transmit the complete state—power, temperature, mode, fan speed and swing position—rather than one simple command per button.

Start with the full indoor-unit model number and, if available, the remote-control model. Then use the manufacturer’s documentation, the exact universal-remote manual, a smart-controller compatibility database, or IR learning from a working original remote.

#	Preview	Product	Price
1		K-1028E Universal Air Conditioner A/C Remote Control,Fit for Haier, Geli,Hitachi, Panasonic, LG,...	$6.99	Buy on Amazon

Why there is no universal air-conditioner code list

Television remotes often use relatively simple, discrete commands. Air-conditioner remotes commonly send a packet describing the desired state. A single transmission can include power, target temperature, operating mode, fan speed, swing settings and other options. BroadLink specifically describes AC codes as more complex than TV codes and documents scripts, function parameters and matching tools instead of one universal table (BroadLink explanation).

Different product families, regional versions and remote revisions can use different protocols even within the same brand. A code that turns a unit on is therefore not proof that temperature, heating, dry mode, fan, swing or timers will work.

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Collect these details before searching

• AC manufacturer and the full indoor-unit model number.
• Remote-control model number, usually printed on the front, back or battery compartment.
• Unit type: window, portable, split or mini-split, cassette, ductless or central system.
• Country or region where the unit was sold.
• Universal-remote brand and exact model, if one is already purchased.
• Your goal: replacement handset, phone control, smart-home automation, Home Assistant or voice control.
• Whether the original remote still works.

The model number is more useful than the badge on the unit. SwitchBot’s lookup tool accepts either the appliance model or remote model (SwitchBot compatibility search).

Where to find the model number

• Look for a rating label on the indoor unit’s side, underside or behind the front panel.
• Check the remote handset, owner’s manual, installation paperwork and purchase invoice.
• For a central system, identify the thermostat or wired-controller model as well as the outdoor and indoor equipment.

Useful searches

[manufacturer] [AC model] remote code
[manufacturer] [AC model] service manual
[manufacturer] [remote model] manual
[manufacturer] replacement remote [AC model]

Best places to get the codes

1. The manufacturer or an authorized HVAC dealer

Search the official support site for the AC model and then for the remote model. Manuals may provide an OEM replacement-part number rather than raw hexadecimal or Pronto data. For an ordinary household installation, an exact replacement remote is often more useful than a code file and can restore functions that generic remotes omit.

If the model is discontinued, contact the manufacturer or an authorized dealer. Avoid assuming that a generic handset works merely because it lists the same brand.

2. The exact universal-remote manual

Universal-remote codes belong to a particular remote model. Search for [remote brand] [remote model] air-conditioner code list, not just the AC brand. Different revisions can use different code numbers, setup procedures and supported functions.

For example, the code ranges in this universal AC remote manual are lookup data for that handset, not an industry-wide standard. After entering or scanning a code, test power, temperature up and down, mode, fan and swing before saving it.

3. Smart-controller compatibility databases

Smart IR hubs normally provide a model search or automatic matching inside their app. Treat a match as a useful indication, not a guarantee that every original-remote function is exposed.

Sensibo

Sensibo says its controllers are designed for virtually any AC with an infrared remote and advertises more than 10,000 models across hundreds of brands. Its compatibility checker is explicitly non-exhaustive, and the AC must have a working IR remote (Sensibo compatibility guidance). The hub also needs a clear path to the indoor unit’s receiver.

SwitchBot

SwitchBot offers searchable appliance and remote-model compatibility data (compatibility search). When preset matching fails, Hub devices can use Learn Buttons mode (SwitchBot learning instructions).

Hub 2 also has an IR-decoding and synchronization feature. SwitchBot documents it as beta, requiring supported hardware, current app requirements and account whitelisting; the page describes approximately 1,800 AC models. Follow the requirement shown in the current app and support page rather than relying on an older version number (Hub 2 IR-decoding documentation).

BroadLink

BroadLink’s service supports device and brand selection, model selection, one-button matching and an IR-code matching tree. Its documented workflow can obtain an AC script, retrieve product-function parameters, generate a binary command and send it to the remote device (code-service workflow; developer overview). Consumers generally access this library through the BroadLink app rather than parsing vendor files.

4. Technical repositories and integrations

Home Assistant integrations, Pronto Hex repositories, raw IR captures, ESPHome transmitters and open-source AC protocol libraries can help technical users. They are not interchangeable: carrier frequency, timing units, state encoding and vendor formats differ. Validate a command on the exact unit before building automations.

How to program a universal AC remote

1. Confirm the exact universal-remote model and open its current manual.
2. Install fresh batteries and select the remote’s air-conditioner mode.
3. Enter the listed code for the AC model or start the remote’s automatic scan.
4. Point the handset at the indoor unit and test power, temperature, mode, fan and swing.
5. Check heating, dry, sleep, turbo, timer and display-light controls if you need them.
6. Save the code only after the required functions work; otherwise try the next model entry or code.

Do not judge compatibility by power alone. A code set may support only basic commands or map buttons differently from the original handset.

Learning codes from the original remote

If the original remote still operates the AC, learning is usually more dependable than guessing. The labels vary by product—Learn, Learn Buttons, IR Learning or Decode—but the general process is:

1. Connect the IR blaster or universal remote and choose Air Conditioner.
2. Try automatic brand or model matching first.
3. If it fails, open the learning function and place the original remote’s transmitter in front of the learner.
4. Press each requested button, commonly power, temperature up/down, mode and fan.
5. Save the learned commands and test them from the intended installation position.
6. Repeat for every function you actually use.

Some ACs send the complete state with every command. For those units, learning isolated buttons may be insufficient; use a full-state synchronization feature or learn named states where the hardware supports it. Learning also requires a functioning original remote, correct alignment and compatible hardware.

If the original remote is lost

1. Read the model from the indoor-unit label.
2. Locate the manufacturer’s exact replacement-remote part number.
3. Buy or borrow that OEM remote and use it to teach your IR hub if smart control is needed.
4. If no OEM handset is available, verify universal-remote support for the exact model—not just the brand.
5. Contact the manufacturer or an HVAC technician for discontinued, commercial or proprietary systems.

A cheap generic remote may operate basic cooling while omitting advanced functions or failing to display the unit’s actual state.

When a code partly works

• Wrong model family: choose the exact indoor-unit or remote entry and try regional alternatives.
• Limited code set: basic power may work while heating, dry, swing, timers or turbo do not.
• Stateful packet: the AC may require a complete state transmission instead of a standalone temperature command.
• Learning error: repeat capture with fresh batteries, close alignment and the learner’s specified distance.
• Toggle power: some systems do not have separate on and off commands, so an automation can become out of sync.
• Non-IR control: RF, Bluetooth, Wi-Fi and wired controllers cannot be solved with an IR database.

Recovery checklist

1. Replace the original remote’s batteries.
2. Confirm the AC responds directly to that remote.
3. Point the blaster at the indoor receiver with an unobstructed path.
4. Search by remote model as well as AC model.
5. Try learning mode or decoding.
6. Obtain an OEM replacement remote.
7. Confirm whether the system uses RF, Bluetooth, Wi-Fi or a wired controller.

Make sure the remote is actually infrared

Pointing the handset at the unit and seeing an IR receiver window are useful clues. A phone-camera test may show the transmitter LED flashing, but it is not conclusive: some cameras filter infrared and some LEDs fall outside a camera’s sensitivity. Check the remote manual when possible.

Central HVAC, VRF, multi-zone and commercial systems may use thermostats, wired controllers or proprietary buses. Portable and window units often use IR, but their protocols still vary by model and OEM.

Choosing a route for smart-home control

IR normally needs line of sight and does not pass through walls. Multiple rooms generally require one suitably positioned blaster per room.

What “IR code” can mean

• Numeric setup code: digits entered into a particular universal remote.
• Raw timing data: measured pulses and spaces from a captured transmission.
• Pronto Hex: a text representation used by some control systems.
• Vendor-specific command: for example, BroadLink binary or base64-style data.
• Integration data: a Home Assistant remote entity or another platform’s format.
• AC state packet: a transmission containing several settings at once.

Before searching, identify what will transmit the command. A numeric code from a physical remote manual cannot simply be pasted into Home Assistant or a BroadLink API.

Quick Recap

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Programming is simple, and buttons are also easy to read.

$6.99

The practical decision tree

1. Original remote works? Use learning or decoding.
2. Exact AC model known? Check the manufacturer and the smart-controller databases.
3. Using a universal remote? Use its own exact model manual.
4. Need phone or smart-home control? Confirm compatibility and line-of-sight requirements before buying a hub.
5. Nothing matches? Buy an OEM replacement remote or verify that the system is not IR.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.