There are some parts of the world where living without air conditioning ... he made at building his AC came from donor parts. The successful one started out as a hot water heater.

A British research team has investigated the technical feasibility of an air conditioning unit powered exclusively by solar-plus-storage and has found that two 130 Ah batteries charged by two 400 ...

Researchers in China have built a PV-powered air conditioner ... storage device; a capillary; an evaporator; an ice thermal storage tank; a gas-liquid separator; a variable speed pump; and a heat ...