5 HVAC Troubleshooting Apps Every Service Tech Needs

Becoming a successful HVAC technician means you’ll need to expand your tool kit beyond screwdrivers, drills, and pipe wrenches. To stay competitive, you’ll also need...

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Top 5 Best HVAC Troubleshooting Apps

Becoming a successful HVAC technician means you’ll need to expand your tool kit beyond screwdrivers, drills, and pipe wrenches. To stay competitive, you’ll also need a mobile app that assists you in completing jobs faster and more accurately. With a tailored HVAC app, you can access customer histories, schedules, and parts catalogs on the go to provide more efficient service.

Though the app store is flooded with multiple software applications, finding a troubleshooting app that will offer your business the most value and return on investment can be a headache.

To help narrow the field, here are the top 5 HVAC troubleshooting apps you’ll want to try first:

HVAC Check & Charge

This app provides an on-site refrigerant charge calculator for the following air conditioning application systems:

  • R-22
  • R-410A
  • R-32
  • R-407C
  • R-134a
  • R-452B
  • R-438A

HVAC Check & Charge is a free HVAC app available on both IOS and Android. 


This free HVAC troubleshooting app calculates HVAC/R system performance and helps troubleshoot system issues through user inputs. With over 40 selectable refrigerants and equipment profiling options, the iManifold app comes in handy with many common HVAC/R systems in the field. 

Available for both iOS and Android, iManifold is free, but you can access more reports and features for an additional fee.  


A free, all-in-one app for your hydronic calculation needs, HyTools helps optimize complex hydronic systems and offers other helpful tools, including:

  • Hydonic Calculator
  • Zeparo Dp Calculation
  • Valve Sizing and Presetting
  • Radiator Power Estimation
  • Radiator Valve Sizing and Presetting
  • Pipe Sizing
  • Unit Conversion
  • Run-time Localization Selection
  • Run-time Language Selection (16 Languages)

This troubleshooting app is available on both iOS and Android.

Test & Balance/Commissioning

With a one-time purchase of $9.99, the Test & Balance/Commissioning app offers helpful calculations, which allows techs to troubleshoot or check the following HVAC systems:

  • Cooling MBH Calculation
  • Heating MBH Calculation
  • Water MBH
  • Humidification
  • Sheave Change
  • Traverse Points
  • GPM Calculator
  • Brake Horsepower
  • Electric Duct Heater
  • Psychrometric Properties

The Test & Balance/Commissioning app is available on both iOS and Android. 

 HVAC Buddy

For a one-time entry fee of $9.99, this troubleshooting app will grant you access to HVAC Buddy’s entire suite of tools and library of information. This app is packed with exclusive features to help you on the job, including:

  • Calculates Targeted vs. Actual Subcooling
  • Information on Over 100 Refrigerants
  • Airflow, Delta-T, and TEET Calculation
  • Uses Imperial (IP) or Metric (SI) Systems
  • Provides Target Superheat and Subcooling Tables (Or You Can Enter Manually)
  • Updates All Values with Realtime Output

Pair Your Favorite HVAC Troubleshooting App with RazorSync

Now that you have your favorite HVAC troubleshooting app installed and ready to use, streamline your business with RazorSync’s advanced field management app! Combining invoicing and estimating, scheduling, mobile payment processing, and more, our all-in-one mobile application is accessible on any smart device.

Schedule your free live demo with our team today and learn how we can customize our field service software’s features to optimize your HVAC business!

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