# HVAC ResLoad vs BluVac

The clearest difference is price: BluVac at Free against HVAC ResLoad's $199.99. BluVac also leads on rating (5.0 vs 3.4) and update cadence (every 2 months vs every 4 months). HVAC ResLoad's advantage is review sentiment (50% vs 36%) and ratings volume (8 vs 2). On ads and in-app purchases there is nothing between them.

BluVac is free to download; HVAC ResLoad costs $199.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BluVac holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews complicate that: 50% of HVAC ResLoad's written reviews are positive against 36% of BluVac's, so the app with the better star average is not the one people write more warmly about.

HVAC ResLoad ships an update every 4 months, BluVac every 2 months. The most recent releases landed on October 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | HVAC ResLoad | BluVac |
| --- | --- | --- |
| Price | $199.99 | **Free** |
| Rating | [3.4 (8 ratings)](https://appshunter.io/ios/app/hvac-resload-j/id567612484/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bluvac/id1227222428/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | **50.0% of reviews** | 36.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 23 MB | 25 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Carmel Software Corporation](https://appshunter.io/developer/317970398) | [measureQuick](https://appshunter.io/developer/1227222427) |

## What reviewers say

### HVAC ResLoad

[App page](https://appshunter.io/ios/app/hvac-resload-j/id567612484)

Perform ACCA Manual J8 load calculations for residential and small commercial buildings. Generate and email PDF reports for clients and building officials. Includes extensive weather and construction data for detailed analysis.

**Highlights:** ACCA Manual J8 load calculations, Field-based cooling and heating load calculations, Emailable PDF reports, Unlimited projects and templates, Global weather data, Extensive construction data, Room-by-room analysis

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

**In-app purchases:** none


### BluVac

[App page](https://appshunter.io/ios/app/bluvac/id1227222428)

Connect to compatible vacuum gauges via Bluetooth to perform detailed system evacuations. Features timed tests, decay tests, and data recording. Offers advanced reporting, multiple gauge connections, and geolocation for enhanced screenshots.

**Highlights:** Bluetooth gauge connection, Timed evacuation tests, Decay test functionality, Detailed results viewing, mQ Assist integration, Pro Report feature, Connect up to 6 gauges

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HVAC ResLoad free?

HVAC ResLoad costs $199.99, with no in-app purchases.

### Is BluVac free?

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

### Which has better reviews, HVAC ResLoad or BluVac?

BluVac is rated higher. HVAC ResLoad averages 3.4 out of 5 from 8 ratings, while BluVac averages 5.0 from 2 ratings.

### Do HVAC ResLoad or BluVac have ads?

Neither HVAC ResLoad nor BluVac shows ads.

### Which is updated more often, HVAC ResLoad or BluVac?

HVAC ResLoad ships an update every 4 months, and BluVac every 2 months. Most recently, HVAC ResLoad was updated on October 29, 2026 and BluVac on October 12, 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.*