Best Bluon Apps

SkillCat: EPA 608 & HVAC

Accredited Online Trade School

Free

SkillCat is a HVAC training app that offers interactive courses, simulations, and quizzes to help users learn and master HVAC concepts. Gain expertise in heating, ventilation, and air conditioning through engaging lessons and hands-on practice. Start your HVAC learning journey today!

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.

Carrier® Service Technician

by Carrier Corporation

Free

This mobile application helps HVAC/R technicians solve challenging problems by providing easy access to the right parts, supplies, and equipment. It offers a range of features, including parts identification, equipment search, warranty lookup, and GPS-enabled parts center location, to support efficient and precise repairs, and encourages technicians to download and start using it to streamline their workflow.

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.

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.

Electrical Troubleshooting MS

Are you a good troubleshooter?

Free

This interactive learning tool helps you improve your electrical troubleshooting skills with a voltmeter by presenting 17 different problems in a fun and challenging way. With its unique features, such as an animated motor starter and a troubleshooting assistant, you can practice identifying and solving electrical problems, making it a great resource for those looking to enhance their skills.

HVAC Exam Prep 2026

Pass HVAC Exam & Practice Test

Free

Pass the HVAC certification exam with confidence using our expert-designed app, which provides a customized study plan, 1,700+ questions with detailed explanations, and simulated quizzes to help you achieve your goals. Download the app to start preparing for the exam and boost your chances of passing on your first try!

EPA 608 Practice 2026

HVAC exam test prep & more

Free

Prepare for your HVAC certification with a comprehensive application offering all practice questions and answers, categorized sections, PDF files, exam and marathon modes, favorites, progress tracking, error correction, and ad-free experience. Start mastering your EPA 608 certification today!

Duct Calculator

by OMIKRON MAKINE MUHENDISLIGI IC VE DIS TICARET SANAYI LIMITED SIRKETI

Free

This mobile application allows users to easily calculate duct sizes and make necessary adjustments. Download it now to simplify your duct calculations and take control of your projects.

SuperCool Slide Rule HVAC

by Designstein, llc

Free

Get advanced solutions for HVAC problems with an interactive app that guides technicians through repair steps. Simplify complex issues and enhance your repair processes.

Danfoss Troubleshooter

Troubleshoot HVACR systems

Free

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.

Chemours PT Calc

by The Chemours Company

Free

This mobile app provides HVACR service technicians with a handy and accurate refrigerant data calculator, enabling quick system diagnostics and response. It allows users to calculate pressure and temperature values, superheat, and subcooling, and access various refrigerant properties, making it a valuable tool for charging, start-up, and troubleshooting HVAC systems.

P-T Calculator

by National Refrigerants, Inc.

Free

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.

BTU Calculator - Data Centers

Cooling Requirements

Free

This application helps estimate the cooling capacity required for a data center to maintain a stable temperature and humidity level. It considers various factors, such as space, occupancy, and heat output, to provide a rough estimate of cooling needs, and allows users to instantly view results as they update input data.

EPA 608 Practice+

27 Prep Tests • HVAC School

Free

$3.99 | 100% OFF

Prepare confidently for your EPA 608 HVAC Certification Exam with our comprehensive test prep app. Covering all key topics and offering effective study tools like personalized plans and mock tests, our app ensures you're ready to ace the exam. Become a knowledgeable HVAC professional and pass with flying colors!

SupplyHouse

Plumbing & HVAC Supplies

Free

Discover a comprehensive plumbing supply app that offers a wide range of products and tools for all your plumbing needs. From pipes to fixtures, find everything in one place for your next project. Upgrade your plumbing game today!

Contactor - HVAC Portal

HVAC Assistant for Techs

Free

Get instant access to real-time refrigerant prices, locate nearby suppliers, and book appointments on the go with our all-in-one tool, perfect for HVAC professionals. Try it now and regain control of your time.