Heat Engineer Software
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The latest from Heat Engineer Software

Product updates, industry insights and practical resources for heating and plumbing professionals and businesses.

Technical4 min read

The Warm Homes Plan: A Big Boost for Heat Pumps, But Delivery Is Key

The UK Government’s £15bn Warm Homes Plan signals strong ongoing support for heat pumps, energy efficiency and low-carbon heating. With ECO4 extended to December 2026, installers gain clarity and breathing space — but successful delivery will depend on clear funding routes, consistent rules and high-quality installations.

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Training4 min read

Understanding EN 12831: Why Room Heat Losses Don’t Match Building Heat Loss

A common source of confusion in heat loss calculations is why the sum of room heat losses exceeds the total building heat loss. This article explains how EN 12831-1:2017 intentionally applies worst-case assumptions at room level, while reducing ventilation losses at building level to avoid double counting internally retained heat.

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Technical4 min read

The Warm Homes Plan: A Big Boost for Heat Pumps, But Delivery Is Key

The UK Government’s £15bn Warm Homes Plan signals strong ongoing support for heat pumps, energy efficiency and low-carbon heating. With ECO4 extended to December 2026, installers gain clarity and breathing space — but successful delivery will depend on clear funding routes, consistent rules and high-quality installations.

Read more
Technical8 min read

Update on Heat Loss calculations

Motive to update our software is to align with the MCS online tool calculator for MIS 3005-D that utilises EN 12831:2017 and to include the option for an air permeability value to be entered from a Pulse or blower door test result.

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