New in May 2026

Updates

Heatpunk UK has been updated to enact various MCS changes to operating temperature and air change rates.

Operating temps for post-2006 buildings have been increased in almost all rooms.
Air change rates now default to 0.5 for all rooms except internal.
Using the standard ventilation method now uses a fixed default air permeability of 12 m³/h.m² @ 50 Pa rather than using an occupancy-based estimator as ~~before~~before..

Skip button added to consumption task menu.

Fixes

Correction to post-2006 room temperatures when using specified air permeability.

Fix to errors caused by deleting region corner with a height.

Floor plan task can now handle materials that have u-value of 0.

Sidebar displays correctly when opening material library from home page.

Fix to floor plan PDF upload when there is more than one page.

Emails no longer all show as sent based on one email.

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