> For the complete documentation index, see [llms.txt](https://docs.myrspoven.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.myrspoven.com/evaluation-and-reporting/golden-reports/heating.md).

# Heating

This page covers the source-specific heuristics and assumptions behind district heating in the Golden Report.

## Abbreviations

* **AHU** — air handling unit

## What gets measured

District heating is split into three buckets:

* **Tap water**
* **Other**
* **Heating**

`Heating` is the remainder after tap water and `Other`.

`Other` covers district-heating use outside heating circuits and air handling units.

## How energy is distributed across uses

The remaining heating energy is split between:

* **Heating circuits**
* **Air handling units**

The default split is **60% heating circuits** and **40% air handling units**.

If you have a better building-specific split, Myrspoven uses that instead.

### Tap-water estimate

Tap-water use is estimated as the average of the **two lowest district-heating months**.

This usually captures warm months, when space-heating demand is low.

The estimate requires:

* At least **8 months** of energy data
* Data for **July and August**

The estimate is capped at **5 kWh/m²/month**.

If data is missing, tap water defaults to **1.6 kWh/m²/month**.

## What myCoreAI controls

The myCoreAI-controlled share is the heating used by:

* **Heating circuits**
* **Air handling units in heating mode**

That total is then weighted by uptime for the period.

## Source-specific calculation details

Heating calculations are done separately for each component type.

* **Heating circuits** use hourly averages, then aggregate across controlled circuits and time stamps.
* **Air handling units** use hourly averages in heating mode, then aggregate across controlled units and time stamps.

## Improving accuracy

Two inputs improve accuracy most:

* Your real **tap-water figure**
* Your real **heating-circuit / AHU split**

Share them with your Myrspoven representative to replace the defaults.


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