# HVAC Load Plus vs AC Calculator Pro

The clearest difference is review sentiment: HVAC Load Plus at 60% against AC Calculator Pro's 0%. HVAC Load Plus also leads on ratings volume (5 vs 1) and iOS requirement (13.0 vs 18.6). AC Calculator Pro's advantage is price ($9.99 vs $24.99) and rating (5.0 vs 2.8). On ads, monetization model and device support there is nothing between them.

HVAC Load Plus costs $24.99 and AC Calculator Pro $9.99 up front. HVAC Load Plus sells 1 one-off in-app purchase. AC Calculator Pro asks for nothing beyond the download.

AC Calculator Pro holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: HVAC Load Plus has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 60% of HVAC Load Plus's written reviews are positive against 0% of AC Calculator Pro's, so the app with the better star average is not the one people write more warmly about.

HVAC Load Plus ships an update every 9 months, AC Calculator Pro every 3 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | HVAC Load Plus | AC Calculator Pro |
| --- | --- | --- |
| Price | $24.99 | **$9.99** |
| Rating | [2.8 (5 ratings)](https://appshunter.io/ios/app/hvac-load-plus/id381608273/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ac-calculator-pro/id1534398509/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | **60.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 18 MB | 9 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Carmel Software Corporation](https://appshunter.io/developer/317970398) | [Melchisedec Martinez Rodriguez](https://appshunter.io/developer/1534398511) |

## What reviewers say

### HVAC Load Plus

[App page](https://appshunter.io/ios/app/hvac-load-plus/id381608273)

Perform detailed heating and cooling load calculations for buildings in the field using your iPhone. Access a vast weather database and construction data to generate comprehensive reports that can be emailed or exported to spreadsheets.

**Highlights:** Detailed heating and cooling load calculations, 1000+ city weather database, Extensive construction type data, Unlimited project creation and storage, Comprehensive load breakdown reports, Emailable HTML reports with spreadsheet attachments, Company information display on reports

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HVAC Equipment Locator | $9.99 | one-time |


### AC Calculator Pro

[App page](https://appshunter.io/ios/app/ac-calculator-pro/id1534398509)

This app assists HVAC professionals and homeowners with air conditioning and heat pump sizing. It provides detailed calculations for cooling/heating capacity, recommends equipment types, and offers unit equivalences and price estimates.

**Highlights:** Commercial Capacity Calculations (BTU/h), Recommended Equipment Types, Unit Equivalences (BTU, kW, Kcal, Tons), Updated Price Estimates, Energy Consumption Insights

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

**In-app purchases:** none


## Frequently asked questions

### Is HVAC Load Plus free?

HVAC Load Plus costs $24.99, and also offers in-app purchases.

### Is AC Calculator Pro free?

AC Calculator Pro costs $9.99, with no in-app purchases.

### Which has better reviews, HVAC Load Plus or AC Calculator Pro?

AC Calculator Pro is rated higher. HVAC Load Plus averages 2.8 out of 5 from 5 ratings, while AC Calculator Pro averages 5.0 from 1 ratings.

### Do HVAC Load Plus or AC Calculator Pro have ads?

Neither HVAC Load Plus nor AC Calculator Pro shows ads.

### Which is updated more often, HVAC Load Plus or AC Calculator Pro?

HVAC Load Plus ships an update every 9 months, and AC Calculator Pro every 3 months. Most recently, HVAC Load Plus was updated on October 27, 2026 and AC Calculator Pro on October 27, 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.*