How To Size & Choose a Compatible A/C Unit


  • °CoolBot is COMPATIBLE with Window and wall mounted Mini-Split Air Conditioners - see A/C Compatibility List below for supported brands

  • Air Conditioners MUST have a Digital Display and Automatic Restart

  • °CoolBot is NOT COMPATIBLE with Portable A/Cs*, Central A/Cs, RV A/Cs, Roof-mount A/Cs, PTACs or Cassette type Mini-Splits

  • DO NOT select an A/C based on the square footage rating printed on the box. Please use our online calculator

  • SIZE your A/C following our Quick Reference A/C Sizing Chart or our using A/C Size Calculator 

  • Please allow 2 feet of clearance around A/C vents inside and outside for proper ventilation. More install videos and guides below

  • See important notes and recommendations below for the specific type of A/C  (Window, Mini Split and *Portable)
  • Please DO NOT purchase REFURBISHED A/Cs. Buy only new A/Cs and ensure they are from a reputable seller.

LG is our preferred A/C brand.

Please see our A/C Brand Compatibility List for other compatible brands and notes about models to avoid.

Most window A/C units over 8K may have secondary sensors.

LG (except Dual Inverter Models) and Haier window A/Cs DO NOT have secondary sensors.

LG window dual inverter compressor models HAVE secondary sensors.

A/C Secondary Sensor Guide available for download at our Support Library.

Frigidaire, Arctic King, Gree, Kelvinator and some Danby window A/Cs have a minimum ON cycle time set from the factory; using an over-sized window A/C from one of these brands may lead you to
experience colder than set temperatures or ice ups. Please use the recommended size A/C.

Most compatible brands of window Air Conditioners can be purchased online at: BUILD.COM, HOMEDEPOT.COM, LOWES.COM, BESTBUY.COM, AMAZON.COM, WALMART.COM.

Please DO NOT purchase REFURBISHED A/Cs. Buy only new A/Cs and ensure they are from a reputable seller.

Quick Reference A/C Sizing Chart

Quick Reference A/C Sizing Chart (Metric)

Air Conditioners with Secondary Sensor

Click for Secondary Sensor Guide

Mini-Split A/C Installation Guide

Click for Mini-Split A/C Installation Guide

Window Air Conditioner Wall Installation

Air Conditioner Care Guide

Click for A/C Care Guide