• Overview
  • Documents
  • Support
  • Downloads
  • News
  • Contact us

We did complex — you do awesome

Coolselector®2 helps you optimize energy consumption and increase efficiency in any HVACR system. Run unbiased calculations based on a set of operating conditions — such as cooling capacity, refrigerant, evaporation, and condensation temperature — and then select the best components for your design. We’ve removed the complexity from the equation so that you can focus on what you do best: being awesome.


Get version 5.4.8 for free now!

Coolselector®2 is currently at version 5.4.8 (last updated on 05.06.2024).

Changes in 5.4.8:

Valves and Line Components:

  • New generation actuator: ICAD B
  • ETS 800P V2 and 1000P

Compressors and condensing units:

  • SZ240-380 reintroduction, EU end of life for SY
  • New VLZ065 Optyma Inverter Condensing Unit

Changes and bug fixes

Features and benefits

Using a Mac or a tablet?

Coolselector®2 is available for use in a browser. If you are using a Mac or a tablet, access our free online version by clicking the link below.

Launch Coolselector®2 online


In this short video, see how Coolselector®2 makes component calculation and selection easy for air conditioning and refrigeration professionals such as OEMs, consultants, and wholesalers.


Type Name Language Valid for Updated Download File type
Promotion material Coolselector®2 Exercises English Multiple 04 Jun, 2019 13.5 MB .pdf
Installation guide Coolselector®2 Server Installation Guide English Multiple 22 Feb, 2022 1.2 MB .pdf
User guide Coolselector®2 User Guide Russian Central Asia Unit 25 Feb, 2020 4.4 MB .pdf
User guide Coolselector®2 User Guide English Multiple 04 Jun, 2019 4.4 MB .pdf
User guide Coolselector®2 User Guide French France 05 Mar, 2020 5.5 MB .pdf
User guide Coolselector®2 User Guide Spanish, Castilian Spain 25 Feb, 2020 5.8 MB .pdf
User guide Coolselector®2 User Guide Chinese (CN) Switzerland 04 May, 2020 25.2 MB .pdf
User guide Coolselector®2 User Guide Portuguese Multiple 03 Jan, 2020 5.3 MB .pdf





  • CRC32: 35FBC1DA
  • MD5..: FE5299F771168FEC73D2E0F028AC8C3B
  • SHA1.: D65CEEEE26C00B5D981D7F09D3AD1979B3214A60


  • CRC32: 3ADA876A
  • MD5..: E6D855CDD4B51FDBE5538DB80D940288
  • SHA1.: AABA538C2FDA211541A21D258F26C5109351982C


Contact us

For further information, please contact us.

If you need assistance in how to work with Coolselector®2 please refer to the Support area of this website.

Coolselector®2 survey

We would love to hear what you think about Coolselector. Participate in our Coolselector survey today – your opinion matters!

Participate here


Installation of Coolselector®2 ("the Application") is provided on an "as is" and "as available" basis for the intended purposes as determined by Danfoss only and any use hereof is at the user's sole risk. The Application and results and information generated thereby cannot substitute technical advice but must be verified by the user, they are not promises and should not be relied on as accurate data or analyses.

Danfoss disclaims all warranties and conditions regarding the Application, whether express, implied, or statutory, including, but not limited to, conditions of merchantability, satisfactory quality, fitness for a particular purpose, accuracy and non-infringement of third parties' rights. Danfoss does not warrant that the Application will meet your requirements or that the operation hereof will be uninterrupted or error-free. To the extent not prohibited by law, in no event shall Danfoss be liable for any direct, special, indirect or consequential damages, whatsoever, including, without limitation, damage to property, damages for loss of savings or profits, or loss of data arising out of any use of the Application.

©2018 Danfoss A/S