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).
Thermostat Settings During the Cooler Months. By lowering your temperature regulator 10 to 15 degrees Fahrenheit for at least eight hours daily during the winter time, you can save up to 15 percent a year on your heating bill. The longer you keep your temperature lower, the more you will save on your heating bill.Set your thermostat to:y lowering your temperature regulator 10 to 15 degrees Fahrenheit for at least eight hours daily during the winter time, you can save up to 15 percent a year on your heating bill. The longer you keep your temperature lower, the more you will save on your heating bill.