Ref Tools - Toolset for HVAC Pros
Discover essential tools & resources for HVAC technicians, streamlining service calls & enhancing field performance with ease

- 6.62.0 Version
- 3.2 Score
- 1M+ Downloads
- Free License
- 3+ Content Rating
About the app
Receive the guidance, assistance, information, and resources you require—both in your workplace and on-site. Ref Tools is a complimentary, robust application loaded with essential instruments that every technician in air conditioning and refrigeration should have in their digital toolkit.
Ref Tools presents an assortment of valuable tools designed for air conditioning and refrigeration:
Refrigerant Slider
This key feature of Ref Tools gives you access to all the functionalities that have made Refrigerant Slider popular among millions of installers globally. It allows for quick calculations of pressure/temperature ratios and provides crucial data on over 140 different refrigerants.
Magnetic Tool
Effortlessly test and diagnose solenoid valve coils.
Troubleshooter
Assist in identifying problems within refrigeration systems to quickly recognize symptoms and discover suggested solutions.
Product Finder
Access comprehensive product-related information from one location. You can search by product code or category to view and share specifications, documentation, visuals, and more.
Spare Parts
Order from a broad range of Danfoss spare parts and service kits tailored for air conditioning and refrigeration uses.
Low-GWP Tool
Identify and evaluate environmentally friendly refrigerants suitable for retrofitting by finding out compatibility with the TXV.
TXV Superheat Tuner
Enhance superheat settings in less than 15 minutes. Utilizing advanced algorithms, this tool offers valve-specific adjustment suggestions.
Podcasts
The workday can be hectic and lengthy, which is why Ref Tools also includes educational entertainment options. You can enjoy various podcasts, such as the popular Chilling with Jens podcast, directly within the app. Take some time to relax and learn something new about refrigeration.
Check out the latest update:
Our TXV Superheat Tuner app is now officially a part of Ref Tools. Fine-tune superheat in as little as 15 minutes and help your customers save money.
Ref Tools includes 8 of our most popular and useful air conditioning and refrigeration tools:
Refrigerant Slider
As a featured part of Ref Tools, you get all the features and functionality that made Refrigerant Slider a hit with millions of installers around the world. Quickly calculate pressure/temperature ratios and find essential information on over 80 refrigerants.
Low-GWP Tool
Find and compare climate-friendly refrigerants for retrofitting by checking compatibility with the TXV.
Troubleshooter
Get help diagnosing issues in refrigeration systems, so you can quickly identify symptoms and find recommended solutions.
Spare Parts
Access and order an extensive list of Danfoss spare parts and service kits for air conditioning and refrigeration applications—right from your smartphone.
TXV Superheat Tuner
Optimize superheat in less than 15 minutes. Using advanced algorithms, TXV Superheat Tuner provides valve-specific adjustment recommendations.
Magnetic Tool
Test and troubleshoot solenoid valve coils quickly and easily.
Product Finder
Find and share extensive product-related data, including product specifications, technical documentation, and visuals.
More about Refrigerant Slider
Part of Ref Tools now, Refrigerant Slider enables rapid computation of pressure-to-temperature ratios for over 80 refrigerants, including natural ones like ammonia and transcritical CO2.
This tool also delivers insights about each refrigerant, such as Global Warming Potential (GWP) and Ozone Depleting Potential (ODP), and it allows switching between IPCC AR4 and AR5 values, with AR4 values relevant to the European F-Gas regulation.
The P/T calculations in Refrigerant Slider utilize advanced curve-fitting models based on Refprop 10 findings, providing both dew and bubble points for refrigerants exhibiting glide.
Streamline Your Workflow
Ref Tools offers more than just quick access to useful features; it helps save your valuable time by enabling the tracking of frequently visited service locations and storing specific settings for each one. Simplify your service calls effortlessly.
Danfoss Climate Solutions
At Danfoss Climate Solutions, we create energy-efficient innovations that enable individuals and organizations to maximize resources effectively. Our pioneering products and solutions facilitate a decarbonized, digitally advanced, and more sustainable future, while supporting cost-effective transitions to renewable energy sources. With a strong commitment to quality, community, and environmental sustainability, we are at the forefront of the necessary shifts in energy, refrigerants, and food systems to achieve climate objectives.
- Version6.62.0
- UpdateApr 07, 2025
- DeveloperDanfoss A/S
- CategoryTools
- Requires AndroidAndroid 5.0+
- Downloads1M+
- Package Namecom.danfoss.koolapp
- Signaturec2b08472b585409c94b4403768c80183
- Available on
- ReportFlag as inappropriate
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NameSizeDownload
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51.30 MB
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51.29 MB
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51.29 MB
Great tool for HVAC technicians
Convenient refrigerant slider feature
Helpful for studying and certification preparation
Easy access to refrigerant properties and specifications
Time-saving for troubleshooting and maintenance
Useful for both beginners and experienced professionals
Improves efficiency during service calls
Features pressure/temperature conversions
App freezing or crashing issues
Missing features like R407A and R441A data
Problems with the favorite list disappearing
Compatibility issues on certain devices
Navigation bar shortcuts causing accidental locking
Inaccurate readings on different phones
Difficulties with app loading and display resolution
Requests for additional calculation functionalities