# Lennox vs Bluon HVAC

The clearest difference is rating: Bluon HVAC at 4.8 against Lennox's 1.0. Bluon HVAC also leads on review sentiment (55% vs 23%) and ratings volume (4.5K vs 15). Lennox's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, 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.

Bluon HVAC holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Bluon HVAC has 4.5K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 23% of Lennox's written reviews are positive against 55% of Bluon HVAC's.

Lennox ships an update every 5 months, Bluon HVAC monthly. The most recent releases landed on November 5, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Lennox | Bluon HVAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (15 ratings)](https://appshunter.io/ios/app/lennox/id355049647/reviews) | **[4.8 (4.5K ratings)](https://appshunter.io/ios/app/bluon-hvac/id1357521880/reviews)** |
| Number of ratings | 15 | **4.5K** |
| Positive reviews | 22.6% of reviews | **54.6% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | **Free** | Ad-supported |
| Size | 13 MB | 170 MB |
| Requires iOS | **7.1** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lennox Industries](https://appshunter.io/developer/355049651) | [Bluon, Inc.](https://appshunter.io/developer/1357521879) |

## What reviewers say

### Lennox

[App page](https://appshunter.io/ios/app/lennox/id355049647)

This app provides access to HVAC products and local dealers. It helps users understand energy cost savings and explore product options. Users can also find promotions and financing information.

**Highlights:** Find nearest dealer, Calculate energy savings, Explore products, View promotions & financing, Save favorite products/dealers

**Features:** Vision Pro support

**In-app purchases:** none


### Bluon HVAC

[App page](https://appshunter.io/ios/app/bluon-hvac/id1357521880)

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.

**Highlights:** 500,000+ HVAC unit database, Manuals and part lists, AI troubleshooting tool (MasterMechanic), Live support from veteran techs, HVAC industry upgrade tools

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

**In-app purchases:** none

**What reviewers like**

- 🤖 Helpful tech support
- 💯 Comprehensive database of manuals and information
- 🛠️ Useful tools and calculators
- 🤝 Great customer service

**What reviewers complain about**

- 💰 Paywall for advanced features
- 🔒 Limited access without company account
- 🔍 Missing manuals for some equipment models
- 🗣️ Removal of helpful forums

**Reported bugs**

- Login/password reset issues
- Frequent crashes or loading problems

**Requested features**

- Individual technician subscription option
- More comprehensive coverage of HVAC equipment models
- Ability to access full manuals without restrictions


## Frequently asked questions

### Is Lennox free?

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

### Is Bluon HVAC free?

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

### Which has better reviews, Lennox or Bluon HVAC?

Bluon HVAC is rated higher. Lennox averages 1.0 out of 5 from 15 ratings, while Bluon HVAC averages 4.8 from 4.5K ratings.

### Do Lennox or Bluon HVAC have ads?

Bluon HVAC shows ads; Lennox does not.

### Which is updated more often, Lennox or Bluon HVAC?

Lennox ships an update every 5 months, and Bluon HVAC monthly. Most recently, Lennox was updated on November 5, 2026 and Bluon HVAC on November 2, 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.*