# Fan Coil Unit System (Water Heating)

A Fan Coil Unit System (Water Heating) is an HVAC configuration employing fan coils for air distribution. 

<figure><img src="https://2129322768-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FfKJnzF2TwHA3APPbiCpF%2Fuploads%2FUlZp2LLnplRYcWn3ZA6p%2Fimage.png?alt=media&#x26;token=0edeab18-a903-41b2-8f71-0c3524ae01af" alt=""><figcaption></figcaption></figure>

It utilises hot water from a central source for heating, providing energy-efficient climate control in buildings. It is comprised of:

* Condenser Water Loop
* (Optional) Air Handling Unit
* Hot Water Loop
* Chilled Water Loop
* Fan Coil Unit(s)

The 'Select HVAC Template' form provides options, to allow the user to configure the system with:

* Zone Reheat Type (Electric or Hot Water)
* Optional connection to a central Air Handling Unit (for outside air supply)
* A single AHU connected to multiple Fan Coil Units or multiple AHUs connected to multiple Fan Coil Units
* Choice of Spaces for Air Terminals

{% hint style="info" %}
Only available on Premium Plan.  Please reach out for further [support.](https://docs.betterbuilding.io/support-and-training/contact-us)
{% endhint %}