Air conditioning: https://economictimes.indiatimes.com/magazines/panache/no-ac-required-indias-3000-year-old-cooling-technique-can-reduce-heat-up-to-50-in-your-

Air conditioning: https://economictimes.indiatimes.com/magazines/panache/no-ac-required-indias-3000-year-old-cooling-technique-can-reduce-heat-up-to-50-in-your-home-naturally-says-study/articleshow/130305016.cms https://economictimes.indiatimes.com/magazines/panache/no-ac... Refrigerator would be a traditional root cellar such as my uncle had --- he was also fortunate to have a spring on his property which he encapsulated in a rock structure which was a wonderful place to be on a hot summer day/evening.