When leaving for vacation in August, it's generally better to turn off your air conditioner if you'll be away for an extended period. However, there are some factors to consider to make the most energy-efficient decision:
Energy Savings: Turning off your air conditioner while you're away will save energy and reduce your electricity bill. Air conditioners use a significant amount of electricity, especially in hot weather, so keeping it off when it's not needed can lead to noticeable savings.
Indoor Temperature: Consider the climate and weather forecast during your absence. If you're leaving during a mild period when indoor temperatures are not expected to rise to uncomfortable levels, it might be feasible to turn off the air conditioner.
Humidity: High humidity can lead to mold and mildew growth in your absence. If you live in a humid climate, leaving the air conditioner off could lead to excess moisture in the house. In such cases, it might be better to set the thermostat to a higher temperature (but not completely off) to maintain a lower humidity level.
Programmable Thermostat: If you have a programmable thermostat, you can set it to raise the temperature while you're away and lower it to your preferred comfort level before your return. This way, you can enjoy energy savings without compromising your comfort upon your arrival.
Pet Considerations: If you have pets staying at home during your vacation, you need to ensure their comfort and safety. In such cases, it's generally better to keep the air conditioner on, set to a temperature that provides adequate cooling without excessive energy consumption.
Security Concerns: If you choose to turn off your air conditioner, ensure that your home is well-secured to prevent any potential break-ins or unauthorized access.
In conclusion, the decision to turn off your air conditioner or keep it running at a higher temperature during your vacation depends on factors such as climate, humidity, the presence of pets, and personal comfort preferences. For energy savings and moderate climates, turning it off or using a programmable thermostat to adjust the temperature can be a practical approach. If you're concerned about humidity or have pets at home, keeping the air conditioner running at a higher temperature might be a better option.