How do I keep my garage cool without AC?

Cooling a Garage With No Ventilation: Portable Options Open the Garage Door. Depending on the angle of the sun and how well-insulated your garage is, opening the door will provide a big breath of fresh air. Add Powerful Portable Fans. Try a Dehumidifier. Build a Low-Tech Swamp Cooler. Buy a Portable Air Conditioner. Click to see full answer. Herein, how can I cool off my garage? Steps Open the garage door to let in cooler air. This is the simplest way to decrease the temperature. Leave the windows open to create a breeze. Allow hot vehicles to cool down before parking them in the garage. Get insulated curtains to keep the heat out. Install a dehumidifier to lower the humidity level. Likewise, will a portable AC cool a garage? The short answer is that it is possible. The long answer is that, in most cases, it is very difficult for a portable air conditioner to be effective in cooling a garage. An uninsulated garage does not hold the cool air in or prevent the hot air entering from outside. Subsequently, one may also ask, how do I keep my garage cool in the summer? Here’s how to keep your garage cool when outside temperatures are high. Ventilate Naturally. Open the outside facing doors, windows and other doors to increase air circulation inside the garage. Upgrade Insulation. Install a Ceiling Fan. Choose Air Conditioning. Consider Additional Options. How many Btus do I need to cool my garage?If you have a typical two-car garage, it should measure somewhere around 20 feet wide by 20 feet deep. A 400-square-foot space like this requires a 9,000 to 10,000 BTU air conditioner, according to Energy Star.
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