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Ref Tools

Ref Tools

All-in-one HVACR app

47 ratings
52 reviews
🔧 Utilities
💼 Business
Free

Details

  • Released
  • Updated
  • October 15, 2011
  • January 30, 2026

Features

Developer

Danfoss A/S
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About

This app provides HVACR technicians with essential tools and information for field service. It includes refrigerant calculators, troubleshooting guides, product finders, and access to spare parts. Listen to educational podcasts to enhance your knowledge on the go.

✓Refrigerant Slider for P/T calculations
✓Solenoid valve coil testing tool
✓Refrigeration system troubleshooting guide
✓Product data finder
✓Spare parts ordering
✓Low-GWP refrigerant comparison
✓TXV Superheat optimization
✓Educational podcasts
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What's New in Ref Tools

6.73.1

January 30, 2026

Performance improvements and bugfixes

User reviews

Most RecentHighest RatedLowest Rated

Mac Mini M4

I was very pleased when I discovered this tool on the Mac M4 MacOS App Library. Until I installed and tried to run it. It CRASHED instantly. 🥴 Please fix it.
SvenoughSvenough

App won’t work

App won’t open on iPhone. It used to work good and suddenly every time I try to open it, it crashes. Please fix it!!
JoevennerJoevenner

Disappears

When I tap on the app, Ref Tools app flashes up and disappears all within about a second. It works on my iPad but not on my iPhone. It is a nice app but I wish it would work on my iPhone.
dbud2dbud2

Good App

I always use this app.But just now I cannot open it , why? I was use iphone 6s plus. ios version is 15.8.3 .please reply to me.
NLA @ 2024NLA @ 2024

App won’t work

App won’t open…
JoevennerJoevenner
See 47 more reviews

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KoolCode
KoolCode

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Danfoss Spare Parts
Danfoss Spare Parts

Get spare parts for HVACR

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See developer apps

FAQ

What does the Ref Tools app do?

Ref Tools is a comprehensive mobile application designed for HVACR technicians. It offers a suite of essential tools, including a refrigerant slider for pressure/temperature calculations, a magnetic tool for solenoid valve testing, and a troubleshooter to help diagnose refrigeration system issues. The app also provides access to product information, spare parts, and low-GWP refrigerant comparisons.

What are the key features of Ref Tools?

Key features include the Refrigerant Slider for calculating pressure/temperature ratios for over 80 refrigerants, a Magnetic Tool for testing solenoid valve coils, a Troubleshooter for diagnosing system issues, a Product Finder for accessing product data, and a Spare Parts section for ordering components. It also offers a Low-GWP Tool for comparing refrigerants and a TXV Superheat Tuner for optimizing valve performance. Additionally, users can listen to educational podcasts within the app.

Is Ref Tools free to use?

Yes, Ref Tools is a free application. The description explicitly states that it is a 'free, powerful app' and does not mention any costs associated with its use or any in-app purchases or subscriptions.

What kind of devices is Ref Tools compatible with?

While the description does not specify exact operating system versions, it is presented as a mobile application for use 'on the job and in the field.' This implies compatibility with smartphones and tablets running common mobile operating systems like iOS and Android.

How can Ref Tools help an HVACR technician in their daily work?

Ref Tools streamlines daily tasks by providing quick access to critical information and diagnostic tools. Technicians can use the Refrigerant Slider for accurate P/T calculations, the Troubleshooter to quickly identify and resolve system issues, and the Product Finder to access specifications and documentation. The app also helps in optimizing system performance with the TXV Superheat Tuner and facilitates ordering spare parts, ultimately saving time and improving efficiency on service calls.