Quote:
Originally Posted by djwill27
With the equipment you have here’s what you need to do. You want to control humidity and the temperature doesn’t really matter. The way the 2 devices you have work is that both conditions ie temperature and humidity have to be true for the AC to come on. If you want to AC to come on anytime the humidity goes above 60%, the AC must be set at a lower temperature. Set the temperature at 70 degrees on the thermostat and set the humidistat to 60, odds are the temperature during summer months will always be higher than 70 degrees in your house. The AC will then come on anytime the humidity is above 60 percent and run until the humidity goes down to 60% then go off. You will only control humidity, the temperature doesn’t matter. With this setting the temperature could be 100 degrees and the AC won’t come on until the humidity goes above 60%.
Many people try to set the temperature to 80 something and the humidistat to 60 and because both conditions must be true if the humidity is above 60 the AC won’t come on because the temperature may still be below 80 something. I know this is confusing, but if you set the devices as I suggest you will control humidity and the AC will only come on if the humidity is exceeded.
Thermostat at 70 degrees and humidistat at 60%. It works.
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My system doesn't work that way. All systems are not the same. If I set the thermostat to 70 degrees, the AC will run all the time. There is a humidity option that will "overcool" the house by up to 3 degrees below the thermostat setting to lower the humidity, but that function would never work with a thermostat setting of 70. I have found that a thermostat setting of 80 degrees and no humidity control works fine. No mold. Maybe you can save money on electricity by using another control system and keeping the temperature extremely high. However, I don't like the idea of having my house go above 80 degrees in the summer. If you want to actually control the humidity, you need a dehumidifier that allows cooling and reheating the air to achieve true control of both temperature and humidity in your house. Most systems in The Villages do not have a reheat function for dehumidification. So, humidity control is always a compromise.