Coolselector®2

  • Overview
  • Documents
  • Downloads
  • Support
  • 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.

Coolselector®2

Get version 5.5.4 for free now!

Coolselector®2 is currently at version 5.5.4 (last updated on 4th April 2025).

Changes in this version:

  • The vapor injection area for R454B has been extended to an evaporating temperature of 3°C with a condensing temperature of 68°C.
  • Areas for vapor injection (VI), liquid injection (WI), and no injection are clearly distinguished.
  • PSH019 – 023 – 026 release.
Download Coolselector®2

Features and benefits

Download and use Coolselector®2 for free
Download and use Coolselector®2 for free
Save time on complicated calculations
Save time on complicated calculations
Customize your preferences
Customize your preferences
View and download detailed log(p)-h diagrams
View and download detailed log(p)-h diagrams
Export easy-to-read reports to share with clients and colleagues
Export easy-to-read reports to share with clients and colleagues
Print or save component code lists for easy ordering
Print or save component code lists for easy ordering

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.

Coolselector®2

Coolselector®2

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.

Documents

Documents
Type Name Language Valid for Updated Download File type
Installation guide Coolselector®2 Server Installation Guide English Multiple 22 Feb, 2022 1.2 MB .pdf
User guide Coolselector®2 User Guide English Multiple 04 Jun, 2019 4.4 MB .pdf

Downloads

Checksum

setup.exe

  • CRC32: 28077C25

  • MD5..: DF0414FB1C94ABFE68E859CE60BE4B2C

  • SHA1.: E1069159B7C8F6DCB08C4F70C4ED4D7BDBEF55CC

Checksum

setup.zip

  • CRC32: C7B1E07D

  • MD5..: 3F1BBB7C933CB02D5908726C2EC3B364

  • SHA1.: 5417F3A795F75B68E6F44F972A74CB408C36475D

Support

Coolselector® Webinar – Available On Demand

If you’re already using Coolselector® to simplify your refrigeration design process, this on-demand webinar is the perfect opportunity to deepen your understanding of its capabilities. In this session, you’ll learn how to select components with greater precision, explore best practices for sizing liquid, suction, hot gas, and refilling lines, and discover how to effortlessly export selections and create Bills of Materials (BoMs) directly within the tool.

Watch now
A laptop on a stand in a dimly lit room with coolselector promotion text that reads "First-time or new user of Coolselector 2?
Coolselector®2 Startup School

Learn how to use Coolselector®2 and operate it with confidence by participating in the Coolselector®2 Startup School. This extensive collection of training videos and exercises gives you insight into the technical workings of the software and shows you how to get the most out of it. 

A diver heads towards a keyboard with the Coolselector icon next to him with the words "Take a deep dive into the inner working and principles that drive Coolselector 2" under the keyboard"
Coolselector®2 Deep Dive

Dive into the details and learn about the principles that drive this powerful software. The Coolselector®2 Deep Dive series is hosted by Morten Juel Skovrup, lead developer of Coolselector®2.

Contact us

For further information, please contact us.

 

Disclaimer

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