AirMaxx Lite vs HVAC Toolkit Lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AirMaxx Lite
Quickly calculate HVAC system fan and static pressure performance. Input basic system information and two static pressure measurements to receive clear visual representations of system status. Includes tutorials and articles for guidance.
- Fan airflow performance calculation
- Static pressure performance calculation
- Visual system status representation
- Input nameplate information
- Two static pressure measurements
- Includes tutorials and articles
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The easiest way to quickly calculate Fan Airflow Performance and Static Pressure Performance for HVAC Systems installed in a home or commercial building. Here's how it works: 1 - Collect simple nameplate information from the customers HVAC system 2 - Take two static pressure measurements 3 - The app does the rest! You'll get clean, easy-to-understand visual representations of the status of their system (see screenshots for samples) Included in the app is some helpful tutorials and articles that will help you get started in understanding how to take proper total external static pressure measurements to calculate airflows. Some additional benefits: - Requires no data plan - Simple & clean interface - Test results are displayed visually for easy understanding - Measurement inputs & calculations displayed for verification AirMaxx Lite is a great tool to help you explain the benefits of good airflow to your customers. To learn more about ComfortMaxx, NCI's advanced HVAC performance testing cloud application visit NCLink.com/CMaxx.
HVAC Toolkit Lite
This tool assists HVAC engineers with design checks and quick calculations. It offers various tools for ducting friction loss, pipe sizing, ventilation, and heat load estimations, providing instructions and formulas for each calculation.
- Friction loss calculation
- Pipe sizing
- Ventilation calculations
- Heat load estimation
- Pump head calculation
- Fan ESP calculation
- Metric/Imperial units
- English/Arabic language support
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The HVAC ToolKit Lite is an easy-to-use app that has been created to assist HVAC engineers in checking their designs and making quick calculations and estimations. The app includes helpful calculation tools for calculating friction losses in ducting, pipe sizing, parking ventilation, staircase pressurization, and estimating heat loads, pump head, fan ESP, among others, where the user is able to enter the required inputs and is given the calculated output. Each tool also includes instructions and abbreviated formulas that have been used to calculate the results. The app can be set to metric or imperial units and/or to the English or Arabic language. Users are expected to have some knowledge and understanding of HVAC engineering in order to use the tools properly. Users are also expected to check that the results are within an acceptable range for their respective projects. If you come across any inconsistencies while using the app or have any recommendations for additional inclusions, please contact us.
Screenshots
Verdict
The clearest difference is rating: HVAC Toolkit Lite at 5.0 against AirMaxx Lite's 4.4. HVAC Toolkit Lite also leads on update cadence (every 11 days vs every 2 months). AirMaxx Lite's advantage is ratings volume (7 vs 1) and iOS requirement (9.3 vs 12.0). 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.
HVAC Toolkit Lite holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: AirMaxx Lite has 7 ratings behind it against 1, so its average is the more settled of the two.
AirMaxx Lite ships an update every 2 months, HVAC Toolkit Lite every 11 days. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | AirMaxx Lite | HVAC Toolkit Lite |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (7 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 2 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.3 — better | 12.0 |
| Further details — not scored | ||
| Size | 23 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | National Comfort Institute, Inc. | Mohamad Jaber |
Customer experience
AirMaxx Lite
HVAC Toolkit Lite
In-app purchases
AirMaxx Lite
No in-app purchases
HVAC Toolkit Lite
No in-app purchases
Questions
Is AirMaxx Lite free?
Is HVAC Toolkit Lite free?
Which has better reviews, AirMaxx Lite or HVAC Toolkit Lite?
Do AirMaxx Lite or HVAC Toolkit Lite have ads?
Which is updated more often, AirMaxx Lite or HVAC Toolkit Lite?
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