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Refrigerant Slider

By Danfoss A/S

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Danfoss proudly presents Refrigerant Slider, the essential tool for all HVAC-R professionals.
Based on the well-known Danfoss Refrigerant Slider, KoolApp™ turns your iPhone or iPod Touch into a user-friendly, quick pressure-to-temperature refrigerant converter. It is designed for installers, distributors and producers of air conditioning and refrigeration equipment, and will also be useful for other industry professionals and students.
In the current version there are 48 different refrigerants including both “natural” and “traditional” refrigerants, covering almost all media normally used in air conditioning and refrigeration systems. More will be added via updates pending user requests.

KoolApp is based on the NIST Refrigerant Properties and is using the Antoine equations for the conversion and you will be able to see both dew- and bubble- points for refrigerants with glide.
Included are also a few additional informations regarding the respective refrigerants.
On the respective refrigerants, you can see additional information like Global Warming Potential (GWP) and Ozone Depleting Potential (ODP).

KoolApp™ gives you the freedom of calculating in either °C and bar, or °F and psi.

KoolAppTM belongs to Danfoss A/S

In the left side of the screen, an intuitive slider helps you to quickly find the pressure or temperature reference, while the precise pressure and temperature reads on the right side fields.
By simply tapping these fields, you can also type in your actual pressure or temperature reading, and KoolApp™ will instantly give you the corresponding figure – and move the slider for visual indication.
Changing from SI units to US Customary units is a one-button operation, and you can do this directly within the conversion tool.
KoolApp™ gives you more than 48 refrigerants, but also allows you to select your favourites among them, making them easily accessible on the top of the selection list.

Danfoss is a global industrial group, supplying energy-efficient and climate-friendly solutions for many industries.
The group is a leading supplier of compressors and automated solutions to the refrigeration and air conditioning industry, with a product range among the most complete in the world. It is used within a number of industries, such as commercial and industrial refrigeration as well as in food retail, air conditioning and heat pumps.
Danfoss is also a world leader within mechanical and electronic products for use in the indoor comfort and heating sectors, and a wide range of other industries where energy consumption plays a vital role.

All values calculated and the performance of the products proposed by this software must be verified by the user.
Danfoss can accept no responsibility for possible errors in KoolApp.
Danfoss reserves the right to alter its products without notice. All trademarks in this material are the property of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.
© Danfoss A/S, Refrigeration and Air Conditioning 2011

Please visit for more information and contact details
If in doubt send an e-mail to:
Phone numbers to local support can be found here:

What's New in Version 2.0.8

Minor adjustments


iPhone Screenshot 1
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iPad Screenshot 1
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Customer Reviews

FIXED missing R's after update

Remove & reinstall from phone fixed missing refrigerants (thanks for fast reply from support). Excellent program - has everything needed for field work. Minor issue: scrolling R's a little sluggish on selection list.

Missing common refrigerants

Why do all of the new versions on iPad and iPhone lack R404A and R22? Two of the most common refrigerants around. Otherwise it would be a five star product.

Refrigerant Slider
View In iTunes
This app is designed for both iPhone and iPad
  • Free
  • Category: Utilities
  • Updated: Aug 18, 2014
  • Version: 2.0.8
  • Size: 1.2 MB
  • Languages: English, French, German, Polish, Portuguese, Russian, Simplified Chinese, Spanish
  • Seller: Danfoss A/S

Compatibility: Requires iOS 6.0 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5.

Customer Ratings

We have not received enough ratings to display an average for the current version of this application.
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