About iHeatLoss
Heatloss helps plumbers, heating engineers, and installers estimate the heat output required for each room in a building. Calculate fabric and ventilation heat loss using room dimensions, component areas, U-values,...
Heatloss helps plumbers, heating engineers, and installers estimate the heat output required for each room in a building. Calculate fabric and ventilation heat loss using room dimensions, component areas, U-values, internal temperatures, external temperatures, and air-change rates. Each room’s result is shown in both Watts and BTU, helping you choose a radiator with an appropriate heat output. The app keeps track of every room in the project and provides a running total for the whole building, giving a clear estimate of the overall heat output required from the heating system or boiler. Features . Calculate room-by-room heat loss . Include fabric and ventilation losses . Track multiple rooms in one building . View totals in Watts and BTU . Use room temperature and air-change reference data . Estimate the total heating output required for the property
Version History Improved performance and updated user interface 3.0 May 12 Updates and minor bug fixes 2.5 06/22/2025 Updated for current iOS version 2.3 06/06/2024 Updated for iOS14 2.2 03/21/2021 Updated for iOS12 2.0 10/03/2018 Updated for iOS11 1.51 10/22/2017 Updated for iOS10 1.4 09/19/2016 Updated for iOS9 1.3 09/17/2015 Ported to swift User interface improvements 1.2 05/11/2015 Updated for iOS7 1.1 11/01/2013 1.0 07/31/2013
Previous Versions
Here you can find the changelog of iHeatLoss since it was posted on our website on 2016-11-08 17:49:25.
The latest version is 3.0 and it was updated on 2026-06-13 02:05:21. See below the changes in each version.
iHeatLoss version 3.0
Updated At: 2026-06-13
Changes: Version History Improved performance and updated user interface 3.0 May 12 Updates and minor bug fixes 2.5 06/22/2025 Updated for current iOS version 2.3 06/06/2024 Updated for iOS14 2.2 03/21/2021 Updated for iOS12 2.0 10/03/2018 Updated for iOS11 1.51 10/22/2017 Updated for iOS10 1.4 09/19/2016 Updated for iOS9 1.3 09/17/2015 Ported to swift
User interface improvements 1.2 05/11/2015 Updated for iOS7 1.1 11/01/2013 1.0 07/31/2013
iHeatLoss version 2.5
Updated At: 2026-05-10
Changes: Version History Updates and minor bug fixes 2.5 06/22/2025 Updated for current iOS version 2.3 06/06/2024 Updated for iOS14 2.2 03/21/2021 Updated for iOS12 2.0 10/03/2018 Updated for iOS11 1.51 10/22/2017 Updated for iOS10 1.4 09/19/2016 Updated for iOS9 1.3 09/17/2015 Ported to swift
User interface improvements 1.2 05/11/2015 Updated for iOS7 1.1 11/01/2013 1.0 07/31/2013
iHeatLoss version 2.5
Updated At: 2025-06-22
Changes: Jun 22, 2025
Version 2.5
Updates and minor bug fixes
iHeatLoss version 2.5
Updated At: 2025-06-22
Changes: Updates and minor bug fixes
iHeatLoss version 2.3
Updated At: 2024-06-06
Changes: Jun 6, 2024
Version 2.3
Updated for current iOS version
iHeatLoss version 2.2
Updated At: 2021-03-21
Changes: Mar 21, 2021
Version 2.2
Updated for iOS14
iHeatLoss version 1.4
Updated At: 2013-07-31
Disclaimer
Official App Store Link
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