Published by Engineering Apps

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Why should I report an Issue with Refrigeration & ACs: HVAC?

  1. AppContacter will directly Email your issue/feedback to an apps's customer service once you report an issue and with lots of issues reported, companies will definitely listen to you.
  2. Pulling issues faced by users like you is a good way to draw attention of Engineering Apps to your problem using the strength of crowds.
  3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.
contact Refrigeration & ACs: HVAC image 1 contact Refrigeration & ACs: HVAC image 2

About Refrigeration & ACs: HVAC

1. The app provides quick revision and reference to the important topics like a detailed flash card notes, it makes it easy & useful for the student or a professional to cover the course syllabus quickly before an exams or interview for jobs.

2. Use this useful engineering app as your tutorial, digital book, a reference guide for syllabus, course material, project work, sharing your views on the blog.

3. Refrigeration & ACs is complete handbook which covers important topics, notes, materials, news & blogs on the course.

4. Download the App as a reference material & digital book for Mechanical engineering programs & HVAC tech degree courses.

5. It has 143 topics with detailed notes, diagrams, equations, formulas & course material.

6. Refrigeration & ACs has chapters on important topics like compressor HVAC, refrigerator, condenser, thermostat, CRO and AC etc.

7. Track your learning, set reminders, edit the study material, add favorite topics, and share the topics on social media.

8. Each topic is complete with diagrams, equations and other forms of graphical representations for better learning and quick understanding.

9. Refrigeration & ACs must have for all the engineering science students & professionals.

10. Refrigeration & Ac is part of Mechanical engineering education courses and technology degree programs at various universities.

Refrigeration & ACs Customer Insights

1. I have found better apps and websites so I wouldn't really invest my time here if I were you.One of the best app for HVAC student, it cover almost every topic and explained in very simple and easy language Its Is very helpful appI think the application creator should bring an update because this application does not have Hindi language and this application can become number one application of India.Very good app for students Interested in HVAC .it covers all basic information.this one of the best app for learning HVAC, split ac,in play store....i learn a lot from this app....very nice and helpful app for hvacr students and for working man/women to refresh there knowledge.This is the best app.

2. It's a good app with lots of material, not all of it is useful or necessary but interesting and should be known by anyone who is planning for a career in hvac industry.

3. The app is free and well-organized, covers most or even all topics one may encounter on an exam.

4. Well put together!An okay app for those who are learning HVAC and in school.

5. But THE ADS MAKE IT COMPLETELY USELESS! THEY COME OUT OF NOWHERE AND ARE VERY LOUD! I had to delete it because it was too frustrating for me to use it, I can't click "back" to close the app, forced to use the "x" or close button.

6. Sad.This app covers from the very beginning to current.

7. Multiple system types and reasons for there usage.

Steps to Troubleshoot & Fix Refrigeration & ACs Issues

1. Fix Refrigeration & ACs Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart Refrigeration & ACs: Restarting the app will resolve most errors.
  2. Update the Refrigeration & ACs App. Here is how:
    1. On Android goto PlayStore » Search for "Refrigeration & ACs" » Open Refrigeration & ACs: HVAC » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for Refrigeration & ACs » click "UPDATE".
  3. Clear Refrigeration & ACs: HVAC app cache: Clearing cached data will force your app to retrieve the latest data directly from Refrigeration & ACs servers.
    1. On Android, goto Settings » Apps » Select "Refrigeration & ACs: HVAC" » click Storage » click "Clear Cache".
  4. Check Refrigeration & ACs app permissions. If any of these permissions required to use your device's features are disenabled, Refrigeration & ACs might not work.
  5. Uninstall and reinstall Refrigeration & ACs. If nothing else has worked, completely uninstall Refrigeration & ACs then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing Refrigeration & ACs not working


2. Fix Refrigeration & ACs Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make Refrigeration & ACs be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to Refrigeration & ACs not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, Refrigeration & ACs may not be able to connect to the Internet when running in the background.

Reported Issues