Best Hvacr Fault Finder Apps

227+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

Whether you're new to hvacr fault finder or looking for an upgrade, our curated collection of 227+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Hvacr Fault Finder

Bluon HVAC#1

Bluon HVAC by Bluon, Inc.

HVAC Tools
Editor's Choice
🔧 Utilities
4.8😐(4.4K ratings)
FreeAds
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Discover a powerful HVAC tool with access to a vast database of 500,000 HVAC models for manuals and part lists, troubleshooting support from MasterMechanic A.I., and live assistance from veteran technicians. Join the largest HVAC community to elevate your industry knowledge and skills today.

What We Love

  • 🤖 Helpful tech support
  • 💯 Comprehensive database of manuals and information
  • 🛠️ Useful tools and calculators
  • 🤝 Great customer service

Room to Improve

  • 💰 Paywall for advanced features
  • 🔒 Limited access without company account
  • 🔍 Missing manuals for some equipment models
Danfoss Troubleshooter#2

Danfoss Troubleshooter by Danfoss A/S

Troubleshoot HVACR systems
Strong Contender
🔧 Utilities
3.7(3 ratings)
Free
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This mobile application helps HVACR technicians diagnose and resolve common issues with heating, ventilation, air conditioning, and refrigeration systems through a user-friendly interface. By selecting the affected system area and symptom, technicians can quickly identify possible causes and solutions, making it a valuable time-saving tool for resolving service calls.

P-T Calculator#3

P-T Calculator by National Refrigerants, Inc.

Worth Considering
🔍 Reference
4.8(51 ratings)
Free
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This comprehensive calculation tool helps HVAC/R technicians with pressure/temperature relationships, superheat/subcool temperatures, and refrigerant calculations, featuring automatic altitude correction and unit conversions. Download the app to easily perform calculations, access refrigerant information, and utilize handy tools to streamline your work.

More Hvacr Fault Finder apps to explore

4
Daikin Tech Hub
Daikin Tech Hub
Daikin Tech Hub
by Goodman Global Holdings, Inc.
Free

An all-in-one mobile application designed to support service contractors working with Daikin products, providing technical specifications, manuals, error code troubleshooting, interactive settings, service videos, compatibility information, and more. The app operates in online and offline modes, syncs data automatically, and offers convenient features like bookmarking and content sharing.

💼 Business
(3.6K)
5
HVACR Check & Charge
HVACR Check & Charge
HVACR Check & Charge
PT Charts Superheat Subcooling
Free

HVACR Check is a powerful tool for HVAC technicians that streamlines equipment checklists, service reports, and maintenance workflows. Simplify your work processes and stay organized with this all-in-one solution.

🔍 Reference
(16K)
6
HVAC School
HVAC School
HVAC School
By Techs For Techs
Free
📚 Education
(81)
7
Copeland Mobile
Copeland Mobile
Copeland Mobile
by Copeland LP
Free

Access over 30 years of Copeland product information with the intuitive Copeland™ Mobile app. Get instant access to air conditioning and refrigeration product specifications, parts listings, wiring diagrams, compressor diagnostics, and more, designed specifically for the HVACR service industry. Download now for on-the-go support and troubleshooting. For more information, visit https://climate.emerson.com/mobileapps.

🔍 Reference
(5.1K)
8
CE HVAC Pro+
CE HVAC Pro+
CE HVAC Pro+
HVAC Tools
Free

An HVAC tool application offering HVAC technicians easy access to warranty entitlement, inventory, order status, manuals, and tech specs for various models. It aims to support technicians with quality products, expert technical assistance, and business growth, positioning itself as a leading HVAC supplier. Experience real-time product availability and streamline your HVAC tasks with this free app.

📊 Productivity
(1.5K)
9
Gemaire HVAC Pro+
Gemaire HVAC Pro+
Gemaire HVAC Pro+
HVAC Tools
Free

Access a wide range of HVAC tools and product information on-the-go with Gemaire's mobile app. Simplify your HVAC tasks and save time with this handy tool, whether you're on-site, on the road, or relaxing at home. Ideal for HVAC professionals looking to streamline their workflow.

📊 Productivity
(798)
10
Rheem
Rheem
Rheem
Connect . Install . Service
Free

A powerful contractor app for HVAC professionals that simplifies setup, troubleshooting, and servicing for Rheem air systems through Bluetooth technology. Easily install, service, track warranty information, locate retailers and distributors, research rebates and financing options, and access product support resources all in one place. Get the app now for enhanced efficiency in managing Rheem products.

🔧 Utilities
(1.5K)
11
Ref Tools
Ref Tools
Ref Tools
All-in-one HVACR app
Free

This all-in-one HVACR app provides essential tools for technicians, including refrigerant calculators, troubleshooting guides, and product finders, to streamline workflow and increase efficiency. Download the app to access a collection of useful tools and resources to help you get the job done quickly and effectively.

🔧 Utilities
(47)
12
American Standard® Technician
American Standard® Technician
American Standard® Technician
by Trane Technologies Company LLC
Free

This mobile app streamlines installation, commissioning, and service processes for HVAC technicians and companies, providing step-by-step guidance, real-time monitoring, and secure access to customer data. By using this app, technicians can improve problem diagnosis efficiency, perform remote configuration and diagnostics, and access valuable resources such as product literature and training videos to ensure optimal HVAC system performance.

💼 Business
(77)
13
Johnstone Supply HVACR
Johnstone Supply HVACR
Johnstone Supply HVACR
Wholesale HVACR Equipment
Free
💼 Business
(5)
14
White-Rodgers Connect
White-Rodgers Connect
White-Rodgers Connect
Easy HVAC Install/Diagnostics
Free

This application provides HVACR contractors with easy installation and diagnostic capabilities for compatible controls, allowing them to update configurations, view status and error codes, and access product information using a mobile device. With intuitive descriptions and NFC technology, contractors can efficiently install and troubleshoot controls, streamlining their workflow.

💼 Business
(12)
15
HVAC Know It All
HVAC Know It All
HVAC Know It All
by HVAC Know It All Inc.
Free

HVAC Know It All is a community platform for HVAC/R professionals to improve their skills and knowledge through educational discussions. Accessible through a subscription after a 7-day free trial, the app aims to help technicians, installers, company owners, educators, and students in the industry excel in their roles.

📚 Education
(221)
16
HVAC PT Chart
HVAC PT Chart
HVAC PT Chart
HVAC Pressure/Temp Charts
Free

This electronic pressure temperature calculator allows HVAC technicians and contractors to quickly look up temperature and pressure values for over 100 common refrigerants, with features to input and calculate values, display refrigerant properties, and email results. With this tool, users can easily access and utilize pressure-temperature charts, making it a valuable resource for HVAC professionals.

📊 Productivity
(8)
17
maestrohvacr
maestrohvacr
maestrohvacr
by Mario Flores
Free
📚 Education
(12)
18
BITZER REFRIGERANT RULER
BITZER REFRIGERANT RULER
BITZER REFRIGERANT RULER
Determine refrigerant data
Free

Quickly determine refrigerant data, including properties and environmental impact, with an intuitive app featuring over 100 refrigerants. Easily convert temperature to pressure, access detailed information, and customize settings for efficient use. Start optimizing your refrigeration processes now.

🔍 Reference
(1.1K)
19
measureQuick HVAC
measureQuick HVAC
measureQuick HVAC
Connect. Perform. Prosper.
Free

An application that helps HVAC technicians diagnose system problems efficiently by providing data aggregation tools and on-the-job education, leading to increased productivity. Connect, perform, and prosper with this powerful tool for improving HVAC maintenance and troubleshooting.

📊 Productivity
(5)
20
Magnetic Tool
Magnetic Tool
Magnetic Tool
Test AC & DC Solenoid Coils
Free

This mobile application helps air conditioning and refrigeration technicians test AC and DC solenoid coils quickly and easily by using a smartphone's magnetometer to detect magnetic fields. Simply open the app, hold it up to the solenoid coil, and if the wheel spins, the coil is working properly, with options for simple or advanced modes and audio or haptic feedback.

💼 Business
(18)