HVAC School vs AABC TAB Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HVAC School
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.
- HVAC School podcast episodes
- Tech tip articles by professionals
- Interactive HVAC equation calculators
- Industry knowledge and theory
- Up-to-date industry information
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The app that helps you remember some things you forgot along the way, as well as helps you remember some things you forgot to know in the first place. For all current and aspiring HVAC technicians: HVAC School is the premiere source for knowledge and success in the HVAC industry. With this app you can: * Listen to all episodes of the HVAC School podcast, a podcast committed to bringing you relevant and up to date knowledge of the HVAC industry and what it means to be an HVAC technician. * Read tech tip articles written by industry professionals on various topics to help build your knowledge base and understanding of HVAC theory * Interact with calculators that employ common HVAC equations to help build your understanding of important HVAC mathematics
AABC TAB Calculator
This app helps industry professionals and members perform essential job site calculations quickly and reliably. It offers a range of pre-built calculations to streamline daily tasks and ensure repeatable results.
- Streamline daily calculations
- Perform reliable and repeatable calculations
- Access pre-built calculations
- Aid industry professionals
- Designed for job site use
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AABC is a mobile application to aid its members, as well as other industry professionals, to streamline their daily calculations on a job site. There are a number of calculations that are ready to access to in order to perform reliable and repeatable calculations.
Screenshots
Verdict
The clearest difference is update cadence: HVAC School at every 5 weeks against AABC TAB Calculator's every 10 months. HVAC School also leads on ratings volume (85 vs 8) and iOS requirement (13.4 vs 15.1). AABC TAB Calculator's advantage is review sentiment (100% vs 83%) and rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
AABC TAB Calculator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: HVAC School has 85 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 83% of HVAC School's written reviews are positive against 100% of AABC TAB Calculator's.
HVAC School ships an update every 5 weeks, AABC TAB Calculator every 10 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | HVAC School | AABC TAB Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (85 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 82.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 85 — better | 8 |
| Update frequency | Every 5 weeks — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.4 — better | 15.1 |
| Further details — not scored | ||
| Size | 30 MB | 24 MB |
| Age rating | 12+ | 17+ |
| Developer | Kalos Services Inc. | Associated Air Balance Council |
Customer experience
HVAC School
AABC TAB Calculator
In-app purchases
HVAC School
No in-app purchases
AABC TAB Calculator
No in-app purchases
Questions
Is HVAC School free?
Is AABC TAB Calculator free?
Which has better reviews, HVAC School or AABC TAB Calculator?
Do HVAC School or AABC TAB Calculator have ads?
Which is updated more often, HVAC School or AABC TAB Calculator?
Other comparisons
