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Simple Ways to Ventilate your home Without AC

Understanding heat and humidity

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Understanding heat and humidity although we all heat to sweat and feel sticky the entire day with our clothes sticky on our backs with the high humidity, sweating is actually what our bodies do to help itself return to its core temperature. When the droplets of water on your skin transition from liquid to gas, the evaporation pulls warmth away from the body, cooling the blood underneath your skin, which returns to your body’s core and reduces your body’s overall temperature. 

However, moisture in the air stalls this process from taking place, Humidity is the amount of water vapour the atmosphere can hold. The more humid it is, the harder it is for sweat to evaporate because there simply isn’t enough space for the atmosphere to hold more water. Therefore, the higher the humidity, especially during summer and in tropical countries, sweat becomes less effective in helping to lower your body temperature. To help your sweat to evaporate off your skin to maintain temperature, you need to keep relatively dry air moving across your body.

Control incoming sunlight

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Heat enters your home via sunlight let into your space. In individual rooms, the amount of sunlight can be controlled by using blackout curtains or shades, especially in areas facing direct sunlight. You can let sunlight into rooms where it isn’t facing the sun directly by opening the curtains in these areas. The colours of the curtain matter for the part facing the sun. As heat radiates as infrared light, colours such as red, orange and yellow will deflect the most warmth. Besides curtains and blinds, you can also consider having window tints which can remove certain wavelengths of radiation while letting others in. 

Using Plants

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There are plants that do not require much watering as they absorb the water vapour from the atmosphere. You can consider getting houseplants like cacti, aloe and succulents, also known as “air plants” and grow them in windows or window boxes, not only do they reduce humidity in your home, they are also useful in blocking direct sunlight.

Controlling humidity

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When humidity gets high and too miserable to deal with, consider getting a dehumidifier to make your room more comfortable. Dehumidifiers are much more efficient than ACs to reduce water in the air. Although wall units can remove humidity, it must reduce water to the dew point – the temperature at which water changes from gas to liquid. When you see water dripping out of an air conditioner, that’s your AC at a dew point. However, the dew point isn’t a fixed number. The higher the humidity, the closer the dew point is to the outdoor temperature. Therefore, don’t expect your AC to make you feel comfortable by reducing humidity, it usually leaves you feeling dry and cold instead. 

Ventilate with a fan

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Fans do not cool the air, they only set the air in motion. This helps to clear away your body’s evaporated perspiration and you should place them in the room to maximise airflow. Ceiling fans also help. If you are able to turn to get your ceiling fan to turn counterclockwise, they can pull hot air up and away from you. Spend some time designing a network of fans in your home to keep air moving through the rooms so you can have a constant flow.