Technology Published on January 16th, 2020 | by greentechheadlines 0 OxiCool air conditioner uses plain old water as a refrigerant This could be a very big deal. About the Author greentechheadlines Related Posts Green Technology – Latest Developments in Green Tech → Green Technology – Latest Developments in Green Tech → Green Technology – Latest Developments in Green Tech → Green Technology – Latest Developments in Green Tech → Comments are closed.