# Compressed-air and CO2 storage and Industrial heat pumps and vapour recompression

Their prices have moved together.

Source page: https://www.materialinsights.org/links/compressed-air-and-co2-storage-and-industrial-heat-pumps-and-vapour-recompression/

[Compressed-air and CO2 storage](https://www.materialinsights.org/energy/e_caes/) (energy) and [Industrial heat pumps and vapour recompression](https://www.materialinsights.org/energy/e_industrial_hp/) (energy): 1 relationship.

## How they are linked

### 1. Price link: compressors

*Cost and price · Moderate · Both ways*

A heat pump's core is a compressor, and vapour recompression uses large steam compressors. Yearly moves correlate at 0.55 with the compressor index, a common driver from shared machinery costs.

- **0.07** monthly change correlation
- **0.55** 12-month change correlation
- **0.52** fitted elasticity

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