# HVAC ResLoad vs CoolCalc Scan

The clearest difference is review sentiment: HVAC ResLoad at 50% against CoolCalc Scan's 0%. HVAC ResLoad also leads on rating (3.4 vs 2.6) and iOS requirement (15.6 vs 17.5). CoolCalc Scan's advantage is price (Free vs $199.99) and update cadence (monthly vs every 4 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

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

HVAC ResLoad holds the better App Store score, 3.4 against 2.6. Both are backed by a comparable volume of ratings — 8 and 7 respectively. Written reviews point the same way: 50% of HVAC ResLoad's written reviews are positive against 0% of CoolCalc Scan's.

HVAC ResLoad ships an update every 4 months, CoolCalc Scan monthly. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HVAC ResLoad | CoolCalc Scan |
| --- | --- | --- |
| Price | $199.99 | **Free** |
| Rating | **[3.4 (8 ratings)](https://appshunter.io/ios/app/hvac-resload-j/id567612484/reviews)** | [2.6 (7 ratings)](https://appshunter.io/ios/app/coolcalc-scan/id6738354891/reviews) |
| Number of ratings | **8** | 7 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | **Ad-supported** |
| Size | 23 MB | 12 MB |
| Requires iOS | **15.6** | 17.5 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Carmel Software Corporation](https://appshunter.io/developer/317970398) | [Cool Calc Inc.](https://appshunter.io/developer/1878735367) |

## 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


### CoolCalc Scan

[App page](https://appshunter.io/ios/app/coolcalc-scan/id6738354891)

Capture precise 3D room scans using your device's LiDAR sensor. Organize projects, integrate with a web platform for advanced visualization, and export models in industry-standard formats. Ideal for professionals needing accurate spatial data.

**Highlights:** Precise LiDAR scanning, Detailed 3D model capture, Project organization, CoolCalc platform integration, Industry-standard export formats, Multi-room scanning

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

**In-app purchases:** none


## Frequently asked questions

### Is HVAC ResLoad free?

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

### Is CoolCalc Scan free?

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

### Which has better reviews, HVAC ResLoad or CoolCalc Scan?

HVAC ResLoad is rated higher. HVAC ResLoad averages 3.4 out of 5 from 8 ratings, while CoolCalc Scan averages 2.6 from 7 ratings.

### Do HVAC ResLoad or CoolCalc Scan have ads?

Neither HVAC ResLoad nor CoolCalc Scan shows ads.

### Which is updated more often, HVAC ResLoad or CoolCalc Scan?

HVAC ResLoad ships an update every 4 months, and CoolCalc Scan monthly. Most recently, HVAC ResLoad was updated on October 29, 2026 and CoolCalc Scan on October 25, 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.*