Another thing to remember is the humidity levels. During this period, dendrobiums do not need a lot of moisture. Very little water will be enough to keep their roots alive. Also keep in mind that their roots constantly need plenty of air circulation so you should place them where there is a lot of fresh air.
Remember, that is based on energy usage, not comfort-levels, which are the purpose of having an air conditioner, in my not-so-humble opinion. Fact: At night, the ideal temperature comfort range for Americans drops to 65 to 72 degrees Fahrenheit (or about 87 degrees if you are my wife).
I have heard that it is more energy efficient to set air conditioner at a temperature of 26 celsius. Is it true? Why is the minimum temperature of an air conditioner 16 degrees? I do not have an air conditioner or fan, and there are too many mosquitoes outside. How do I deal with hot temperatures in my room? Does setting an air conditioner at a lower temperature (like 16 degrees C) ensure faster cooling than setting it at higher temperatures (like ...