Most professionals in the HVAC industry know how large of a part humidity plays in air conditioning. One might even argue that the levels of humidity inside a building have a bigger effect on a person's comfort than the temperature itself.

Removing humidity is done best with a well-designed and installed HVAC system. A building's cooling needs will also depend on its location, so proper consideration is a must. An air conditioning and ventilation system in Davao City, for instance, should be large enough to keep the humidity at a comfortable level. But the tonnage should also not be too big that the system will completely get rid of it. 

Contrary to what some users might think, lowering the temperature will not reduce a room's humidity. To dehumidify a room, there should be latent heat removal—that is, the water leaving the system's drain. Sensible heat removal and decreasing the room temperature will actually increase the area's relative humidity. The colder it is, the less vapor the air will be able to contain before it turns into a liquid. 

Proper ventilation is not just vital for keeping pollutants out and maintaining the indoor air quality. It is also needed to regulate the building's temperature. Ventilation, whether natural or mechanical, also helps in removing humidity until it is at a comfortable level for the building's users. 

However, when used in locations that are hot and humid, such as a building that uses HVAC air conditioning in Davao for cooling, extra care must be taken. Poor integration of the ventilation and the air conditioning system can lead to either extremely high or low humidity levels. 

While air conditioner users tend to have their own personal preferences, most HVAC professionals recommend staying inside the 30 to 60 percent relative humidity range.  

Keep the humidity at this level allows for better comfort while preventing too much moisture, which promotes the growth of microbes. 

For users that are residing in the tropics, it is best that they prevent the indoor humidity from going past fifty percent. 

Keeping good humidity levels inside the building is even more important when situated in an area that is already inherently humid. To ensure that users inside buildings are comfortable, the HVAC system should be maintained on a regular basis. It will also be helpful if they invest in a dehumidifier and a programmable thermostat to better regulate the indoor air.

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