# Copper and Geothermal direct use and ground-source heat pumps

Their prices have moved together.

Source page: https://www.materialinsights.org/links/copper-and-geothermal-direct-use-and-ground-source-heat-pumps/

[Copper](https://www.materialinsights.org/commodities/copper/) (commodity) and [Geothermal direct use and ground-source heat pumps](https://www.materialinsights.org/energy/e_geo_direct/) (energy): 1 relationship.

## How they are linked

### 1. Price link: main input

*Cost and price · Weak · Both ways*

Compressor motors, heat exchangers and pipes use copper. The US heat pump index shows little monthly link with copper, at 0.13,, rising to 0.27 over the last five years, still a weak link.

- **0.13** monthly change correlation
- **-0.03** 12-month change correlation
- **0.30** fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.