Best Hvac Know It All Apps

4.8😊(221 ratings)

FreeIn-App Purchases

Connect with HVAC/R professionals to enhance your skills through educational discussions. This app aims to help technicians, installers, owners, educators, and students improve their expertise in the trade.

What We Love

👍 Excellent community for tradespeople
💡 Vast knowledge sharing among professionals
🚀 Game-changer for HVAC technicians
🤝 Supportive and non-judgmental environment
📚 Great resource for learning and growth
🛠️ Invaluable for new and experienced techs
📈 Professional discussions, better than social media
💰 Worth the subscription fee
💬 Positive interactions, no bickering
✅ Helpful for troubleshooting and advice
🌍 Connects professionals nationwide
💯 Real deal for serious trade professionals
🗣️ Free speech, no spying

Room to Improve

💰 Forced to pay before accessing content
🤔 Subscription fee not clearly stated upfront
🚫 App makes you pay before you can test it
📉 Limited content in residential group
❓ Suspect 5-star reviews, potentially fake
🗣️ Just a chat room, not for engineers

Bluon HVAC by Bluon, Inc.

HVAC Tools

Strong Contender

🔧 Utilities

4.8😐(4.5K ratings)

FreeAds

Access a vast database of HVAC models, manuals, and part lists to speed up your work. Utilize an AI-powered troubleshooting tool or connect with experienced technicians for real-time support.

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
🗣️ Removal of helpful forums

HVAC School by Kalos Services Inc.

By Techs For Techs

Worth Considering

PT Charts Superheat Subcooling

4.8(81 ratings)

Free

This app serves as a comprehensive resource for HVAC technicians, offering a podcast, tech tip articles, and interactive calculators. It aims to enhance knowledge of HVAC theory, industry updates, and essential mathematics for both current and aspiring professionals.

More Hvac Know It All apps to explore

HVACR Check & Charge

Instant refrigerant charge calculatorSuperheat calculator (non-TXV)Subcooling calculator (TXV)

This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.

🔍 Reference

(17K)

HVAC practice test, prepare

HVAC exam prep, epa 608

Complete Q&A for all categoriesRealistic exam mode simulationsSave and review favorite questions

Prepare for HVAC certification exams with this comprehensive app. It offers realistic simulations, detailed progress tracking, and error analysis to help you master all exam categories. Enjoy an ad-free learning experience with saved favorites and intensive practice modes.

free with in-app purchases

(14)

HVAC Technician Exam Prep 2026

NATE & EPA 608 Mock Tests

900+ real-world practice questionsTopic-based practiceVersatile practice modes

Prepare for your HVAC certification exam with over 900 practice questions and mock tests. Features include topic-based study, instant feedback, and an AI study assistant to help you master concepts and track progress offline. Achieve your career goals with a proven 90% pass rate.

🔍 Reference

(179)

free with in-app purchases

HVAC Mastery

Learn the HVAC Trade

Structured learning tracksInteractive electrical and wiring simulatorsRefrigerant cycle simulator with fault injection

This app provides hands-on learning for HVAC professionals, covering fundamentals, core and advanced systems, and EPA 608 certification prep. It features interactive diagrams, simulators, real-world challenges, and quick reference tools for on-the-job use.

Your Smart HVAC Assistant

700+ Practice Questions

$8.99

Prepare for your HVAC licensing exam with over 700 practice questions covering all essential subjects. This app offers offline study modes, allowing you to practice anytime, anywhere, and build confidence for your real exam.

700+ practice questionsOffline preparation toolFour study modes

*NEW* HVAC MobileSales App

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 calculationsSolenoid valve coil testing toolRefrigeration system troubleshooting guide

Community for HVAC businesses

Carrier® Service Technician

🌐 Social Networking

(0)

by Carrier Corporation

AI Assistant for troubleshootingSystem Capacity CalculatorIntelligent Equipment Search

This app helps HVAC/R technicians quickly identify and locate necessary parts for repairs on any equipment, whether for warranty or non-warranty services. It offers advanced tools for troubleshooting, system calculations, and accessing technical documentation, all from the job site.

🔧 Utilities

(108)

SuperCool Slide Rule HVAC

by Designstein, llc

Superheat & Subcooling chargingDuct sizing & layout calculatorCompressor windings troubleshooter

This app offers a comprehensive suite of tools for HVAC technicians. It provides interactive guides, step-by-step repair instructions, and calculators for various HVAC calculations including superheat, subcooling, and duct sizing.

This app provides HVAC technicians with instant access to product information, including warranty status, inventory, and technical specifications. It offers real-time support, order tracking, and helpful calculators to streamline job management and business growth.

Real-time product availability & pricingOrder status and notificationsVideo/Text technical support

📊 Productivity

(1.6K)

free with in-app purchases

HVAC Xchanger

HVAC Xchanger's Premier App

This app provides HVAC professionals with AI-powered instant answers, a comprehensive resource library, and NFC tag scanning for quick access to manuals and warranty information. It aims to enhance efficiency and accuracy in field service.

AI Chatbot for technical questionsComprehensive HVAC resource libraryNFC tag scanning for unit information

🔧 Utilities

(3)

HVACR Learning Network by ESCO

Enhance Your HVACR Knowledge

Access enrolled courses and study materialsStay updated on industry trendsEngage with HVACR professionals

Access HVACR courses, communities, and resources on the go. Stay updated with industry trends and engage with peers. Ideal for professionals and students preparing for certifications and sharpening technical skills.

(0)

Carrier Puerto Rico HVAC Pro+

Pass HVAC Exam & Practice Test

1,700+ specialized questionsDetailed explanationsSimulated exam quizzes

Prepare for your HVAC technician certification exam with a comprehensive mobile study tool. It offers a scientific study system, over 1,700 practice questions with detailed explanations, and simulated exams designed by experts. Track your progress and boost confidence for your first attempt.