# 暖通物联(EliteHVAC) vs HVAC Smart

The clearest difference is update cadence: HVAC Smart at every 9 months against 暖通物联(EliteHVAC)'s every 46 months. 暖通物联(EliteHVAC)'s advantage is iOS requirement (8.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

暖通物联(EliteHVAC) ships an update every 46 months, HVAC Smart every 9 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 暖通物联(EliteHVAC) | HVAC Smart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 9 months** |
| Size | 6 MB | 26 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [江苏精创物联网技术有限公司](https://appshunter.io/developer/1124677415) | [ZHUHAI VDATA TECHNOLOGY CO., LTD](https://appshunter.io/developer/1239657281) |

## What reviewers say

### 暖通物联(EliteHVAC)

[App page](https://appshunter.io/ios/app/elitehvac/id1184176050)

**In-app purchases:** none


### HVAC Smart

[App page](https://appshunter.io/ios/app/hvac-smart/id1511650678)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 暖通物联(EliteHVAC) free?

暖通物联(EliteHVAC) is free to download, with no in-app purchases.

### Is HVAC Smart free?

HVAC Smart is free to download, with no in-app purchases.

### Do 暖通物联(EliteHVAC) or HVAC Smart have ads?

Neither 暖通物联(EliteHVAC) nor HVAC Smart shows ads.

### Which is updated more often, 暖通物联(EliteHVAC) or HVAC Smart?

暖通物联(EliteHVAC) ships an update every 46 months, and HVAC Smart every 9 months. Most recently, 暖通物联(EliteHVAC) was updated on November 2, 2026 and HVAC Smart on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*