The hot air that comes out of AC units makes the cities even hotter.
The hot air that's released from air conditioning compressors makes the outside temperature even higher in the cities.
ーThe hot air that comes out of condenser units makes the cities even hotter.
「室外機から出る熱風が都市を一層暑くする」
condenser units で「室外機」
to make the cities even hotter で「都市をより一層暑くする」
ーThe hot air that's released from air conditioning compressors makes the outside temperature even higher in the cities.
「エアコンの室外機から排出される熱風は、都市の外気温を一層高くする」
air conditioning compressors で「エアコンの室外機」
to make the outside temperature even higher で「外気温を一層高くする」
ご参考まで！
カナダ 
