Air conditioning has reduced deaths due to high temperatures in Spain by one third. Similarly, heating has reduced by up to half the deaths related to extreme cold, although this effect may be attenuated by an ageing population, according to a study spanning four decades and 48 provinces in Spain.

Air conditioning has reduced deaths due to high temperatures in Spain by one third. Similarly, heating has reduced by up to half the deaths related to extreme cold, although this effect may be attenuated by an ageing population, according to a study spanning four decades and 48 provinces in Spain.