On the basis of the responses of 64 elderly subjects (mean age 75 years) to two questionnaires, temperatures from 32° F to 110° F were classified as cooler-than-comfortable, comfortable, and warmer-than-comfortable. The distribution of comfortable temperatures agree with experimentally derived findings on college-age and middle-aged adults with the mean, median, and modal values falling within the ASHRAE Thermal Comfort Standard 55-66. The results conflict with the criterion stated in the ASHRAE Handbook (1967) that persons over the age of 40 prefer a temperature for comfort of 1° ET higher than that desired by persons below this age.
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Frederick H. Rohles (1969) studied this question.
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