"we found [u.s. weather] stations located next to  the exhaust fans of air conditioning units, surrounded by asphalt  parking lots and roads, on blistering-hot rooftops, and near sidewalks  and buildings that absorb and radiate heat.
"we found [u.s. weather] stations located next to  the exhaust fans of air conditioning units, surrounded by asphalt  parking lots and roads, on blistering-hot rooftops, and near sidewalks  and buildings that absorb and radiate heat.
cooling tower:6
although these large towers are very prominent, the vast majority of cooling towers are much smaller, including many units installed on or near buildings to discharge heat from air conditioning.