# Heat pumps, air conditioning and refrigeration and Polyurethanes (MDI, TDI, polyols)

Their prices have moved together.

Source page: https://www.materialinsights.org/links/heat-pumps-air-conditioning-and-refrigeration-and-polyurethanes-mdi-tdi-polyols/

[Heat pumps, air conditioning and refrigeration](https://www.materialinsights.org/energy/e_heat_pumps/) (energy) and [Polyurethanes (MDI, TDI, polyols)](https://www.materialinsights.org/chemicals/polyurethanes/) (chemical): 1 relationship.

## How they are linked

### 1. Price link: end use

*Cost and price · Strong · Both ways*

Rigid polyurethane foam insulates refrigerators, freezers, cold stores and many cooling units. The air-conditioning and refrigeration equipment index moves with the proxy at 0.27 monthly and 0.69 yearly. Appliance makers buy foam systems on contracts.

- **0.27** monthly change correlation
- **0.69** 12-month change correlation
- **0.38** fitted elasticity

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