App Store
Version 6.01 · 2026-04-20
1. Fixed issues with screen scrolling all over the place on iOS versions 18.x and 26.x. 2. Added a Share button so you can now text, email, and download reports. 3. Updated help. 4. Optimized for iOS 26.
Too little checked to say Store information only. We haven’t analysed this app or read its reviews yet.
Not yet tested.
The store currently lists version 6.01, updated 2026-04-20.








Store screenshots supplied by the developer.
This app may just change the way you do business.
This is one of the longest running HVAC Manual J8 cooling and heating load calculation apps on the market today. See why tens of thousands of engineers, technicians, and architects have licensed our software for their HVAC engineering needs.
(For full online help, click here: http://bit.ly/1GlRulY.
For training webinar, click here: http://bit.ly/1IHn7nA)
This app now includes the HVAC Equipment Locator. Click here for details: http://bit.ly/1yTq539.
This app allows you to perform detailed block and room-by-room heating and cooling loads for residential buildings out in the field, by taking advantage of the simplicity and power of the iPhone.
This app was designed by Carmel Software Corporation, a 25-year old software design firm specializing in engineering analysis software applications.…
From the developer’s store description.
For developers and the curious
The evidence, sources, measurements and versions behind every label above.
No review analysis published for this app.
“Not assessed” means we could not measure it. It is never a zero and never a pass.
No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence, not a finding.
Supporting measurements: not a complete list of possible harms or positives. Measurement vocabulary 1.4 · how these are measured
Not yet tested. No analysis has been run for this app, so there is no version or date to report.
Each store’s release notes, as the developer wrote them. They are the developer’s words, not ours.
1. Fixed issues with screen scrolling all over the place on iOS versions 18.x and 26.x. 2. Added a Share button so you can now text, email, and download reports. 3. Updated help. 4. Optimized for iOS 26.
hvac-residential-load-calcsWhat the stores publish. Store ratings are the stores’ numbers, not Appworthy’s, and are never averaged across stores.
From the store listing. Billing terms are read from each purchase’s name — the stores don’t publish them — so treat them as a strong hint, not a disclosure.
These are really on sale; we just can’t tell from the name whether they recur.
Not yet tested. No analysis has been published for this app, so there is no method to describe for it yet. A missing label is not a clean bill of health: it means nothing has been read, not that nothing is wrong.
Write to [email protected], or use the form. Name the finding, the app version and the evidence that needs correcting. Factual corrections are free and never depend on buying anything.