3 ms·
They might be swamp coolers, which blows the air over water, evaporating the water and cooling the air.
by arijun 7y ago
They might be swamp coolers, which blows the air over water, evaporating the water and cooling the air.
- Jtsummers 7y agoThey have high humidity and temperatures. Swamp coolers wouldn't be terribly effective in that environment. These are probably conventional chillers pumping out cold air.