‘Get heat to the pipes’: Plumbers offer tips to prevent frozen and burst pipes
On an average day Dick Ray Plumbing gets 30-40 calls, but when temps dip below freezing, that skyrockets to over 300.
pv magazine International5 天
Fraunhofer institutes developing electrocaloric solid-state heat pump without compressors
Six Fraunhofer institutes are developing new electrocaloric heat pumps that use elastocaloric heat pipes instead of compressors to extract heat from the sources. The first pilot systems developed by ...