Tips to Cool Down a Car Parked Under the Hot Sun
Thailand and hot weather go hand in hand, especially when driving in major cities like Bangkok. Whether you're using a Car Rental Bangkok service for sightseeing or relying on a Rental Car for business trips, chances are you've experienced the unpleasant feeling of stepping into a vehicle that feels more like an oven than a car.
Today, we'll explain why parked cars become so hot and share some practical tips to help you cool down your vehicle quickly and efficiently.
Have you ever wondered why the outdoor temperature may be around 35°C (95°F), yet the interior of a vehicle parked under direct sunlight can reach 60–70°C (140–158°F)?
This happens because of a phenomenon known as the "greenhouse effect." Sunlight passes easily through the car's windows, but the heat absorbed by the seats, dashboard, and interior surfaces becomes trapped inside the cabin. Since the accumulated heat cannot escape efficiently, the temperature continues to rise, creating an extremely hot environment inside the vehicle. Whether you're driving your own car or using a Car Rental service, understanding this process can help you manage cabin temperatures more effectively.
If you've just finished shopping, sightseeing, or returning to your vehicle after using a self-drive Rental Car, turning the air conditioning on at maximum power immediately is not always the best solution. In fact, it can place unnecessary strain on the air conditioning system and take longer to cool the cabin.
Here are two simple and effective techniques to reduce interior heat quickly:
1. Open the Doors and Lower the Windows
- Open all vehicle doors, or at least the driver and passenger doors.
- Lower the windows completely.
- Allow the hot air to escape for approximately 30 seconds to 1 minute.
This simple method helps release trapped hot air before you start the engine and activate the air conditioning system. It's a useful tip for anyone using a Car Rental Bangkok service during Thailand's hot season.
2. Use the "Door Pumping" Technique
This internationally recognized cooling trick is surprisingly effective and easy to perform:
- Lower the passenger-side window completely.
- Move to the driver's side.
- Open and close the driver's door repeatedly several times.
This creates airflow that pushes the superheated air out through the open passenger window much faster than simply waiting for natural ventilation. The result is a noticeably cooler cabin before you even switch on the air conditioning.
ECOCAR RENT-A-CAR is proud to be a trusted partner with more than 13 years of experience in Thailand's vehicle rental industry. We operate six branches and maintain a fleet of hundreds of high-quality vehicles to meet a wide variety of travel needs. Whether you require a standard Rental Car, a long-term business vehicle, or even a Van Rental Bangkok solution for transporting teams and clients, we offer modern vehicles that are less than five years old, complete with first-class insurance coverage and a full tank of fuel upon delivery.
Head Office Don Mueang Car Rental
Located at 279/57 Vibhavadi Rangsit Road, Sanambin Subdistrict, Don Mueang District, Bangkok 10210
Opening hours 0800 – 2000 hours Everyday
Call center 02 – 002 – 4606
092-284-8660 / 090-638-4888 / 086-993-3082
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Email : info@thairentecocar.com
WhatsApp : 0869933082
Siam Commercial Bank
Account number : 605-2588466
Account name : Thai Rent Eco Car Co., Ltd.
Swift - code เลขที่ SICOTHBK
Siam Commercial Bank Public Company Limited, Ongkharak Branch
Category : Bank
Address 439 Moo 1, Rangsit-Nakhon Nayok Road, Ongkharak Subdistrict, Ongkharak District Nakhon Nayok Province 26120 Telephone 037-381-258
Thai Rent Eco Car Co., Ltd. Head Office Taxpayer No. 0105556003679 No. 279/57 Grand I Design Village Vibhavadi Rangsit Road, Sanam Bin Subdistrict Don Mueang District, Bangkok 10210
Call 02-0024606
Vibhavadi Rangsit Road
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