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Bluon is the #1 mobile app for HVAC technicians. Rapidly look up system information, original equipment manuals, and step-by-step instructions for retrofitting R-22 units to Bluon R-458A (TdX 20)—the breakthrough refrigerant designed to make your life easier.

Once you download the app you’ll be taken through an orientation process called “Bluon Accreditation.” This is a 20-minute video crash course on everything you need to know about why R-22 is going away, and how to use replacement blends. This high value, real-world information will help you reduce call-backs and make more money.

Once you’re Bluon Accredited, you can take advantage of our 24/7/365 technician support hotline. Got a problem in the field? Just call us through the app, and one of our veteran HVAC techs will walk you through it. No waiting on hold for hours, or talking to some desk guy reading a script. Our techs are the best of the best, and you can talk to them usually in under 1 minute.

App Features Include:

• Lookup over 20,000 HVAC units
• Over 50,000 manuals and technical docs
• Step-by-step R-22 retrofit guides
• Best practices for common issues
• Tools for Superheat, Subcool, Setpoints & more
• 24/7/365 technician support hotline

What’s New

Version 4.3.1

Improved registration process
Optimized user experience

Ratings and Reviews

4.8 out of 5
235 Ratings

235 Ratings

Kevin Blasingim ,

Best tool in the bag

I literally just downloaded this and it has so much info. Very nice even if you can’t read the whole name plate on the unit due to fading it has all the info on your phone. Can’t wait to start using this app to its full potential. We are getting a jug of TDX20 ASAP. This could be a absolute game changer for us HVAC guys. We sincerely appreciate all the hard work you have put into making this app. Speaking with the tech support on the phone was like talking to a co worker. Very good customer service. By far my favorite app. Thank you Bluon!!!!!!

Supercap37 ,

Unbelievably Useful!

Bluon has created a truly amazing tool for all HVAC service techs. This will save you countless hours by having the original manuals and unit specs for literally every HVAC unit ever made. And at the same time give you unit specific retrofit instructions to convert your customer’s R22 units over to Bluon’s TdX20. Total Game Changer! Thank you Bluon!

HappyKasper ,

Clean and practical

Incredibly useful, has all the information on any unit I need, and it’s always easy to find. Highly recommend this to anyone who’s working on these systems.


Bluon Energy, LLC
66 MB

Requires iOS 10.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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