Humidistats are separate sensors that measure the level of humidity in the room and can turn on or off your central air conditioner when the humidity rises above a set level. Typically, a thermostat is all that is necessary for controlling an air conditioner, as air conditioners dehumidify as they cool. In especially humid regions, however, a separate humidistat may save you energy.
Air Conditioners Dehumidify
When an air conditioner blows indoor air across cold refrigerant coils to reduce the indoor temperature, it also removes condensation from the air. When humid indoor air comes in contact with the cold copper coils, condensation forms on the coils and drips down into a condensate pan. The more condensation is removed from the air, the less humid your home becomes.
Humidity and Comfort
A humid day "feels" hotter than the thermometer would seem to indicate because the human body uses evaporative cooling, through sweat, to get rid of excess body heat. In a high-humidity environment, the evaporation process is slowed down, and it seems hotter than it is. When an air conditioner is cooling a room, it will have to reduce the indoor temperature further to make the air feel comfortable during periods of high humidity. She just cut her electricity bill to 60%, click here to read. A temperature of 72 degrees Fahrenheit at 60 percent humidity may feel comfortable, but if the humidity is higher, 80 or 90 percent, you may feel compelled to turn your thermostat down several degrees lower.
Problems with High Humidity
In addition to issues of comfort, high indoor humidity levels can lead to mold and mildew growth. The constant moisture can render interior walls and ceilings a perfectly hospitable place for all sorts of microorganisms to colonize and can decrease the indoor air quality. For this reason, in parts of the world with prolonged periods of very high humidity, a separate humidistat may be a worthwhile investment.
A Humidistat is Not a Necessity
In most circumstances, a separate humidistat is not necessary. Air conditioners dehumidify as they cool, and in most instances, an air conditioner will be sufficient to reduce indoor humidity to a comfortable and safe level. If you are having an issue with a single room of the house, a separate dehumidifier may be a more cost-effective solution to high humidity.
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2 comments:
I originally tested the system without the duct fan, but the air conditioner's stock fan did not move enough air through the ducts to be useful. heating and cooling units
This article gave me a detailed construction of an central air conditioning unit. A very well described article. Heating and Cooling Scarborough
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