# \#thermal

**URL:** http://forum.driveonwood.com/tag/thermal/11.md

[Latest](http://forum.driveonwood.com/latest.md) · [Categories](http://forum.driveonwood.com/categories.md) · [Tags](http://forum.driveonwood.com/tags.md)

---

## [Water as heat storage](http://forum.driveonwood.com/t/water-as-heat-storage/2885)

<div class="topic-metadata">

**Author:** [@Chris](http://forum.driveonwood.com/u/Chris)\
**Replies:** 41\
**Last updated:** [January 11, 2017, 4:40am UTC](http://forum.driveonwood.com/t/water-as-heat-storage/2885 "2017-01-11T04:40:23Z")

</div>

I was just thinking about water, which is such an excellent heat storage device. Heat it up, cool it down. BTU’s in and out, almost no loss if things are well insulated. It’s a very efficient way to store energy. If you …