1 Meniscal tear: Damage to a meniscus, the cartilage that cushions the knee, often occurs with twisting the knee. 2  Large tears may cause the knee to lock. 3  ACL (anterior cruciate ligament) strain or tear: The ACL is responsible for a large part of the kneeâs stability.
During the warmer months, the thermostat to an air conditioner should be set at 78 degrees Fahrenheit. If this is not comfortable, some experts recommend lowering the temperature to no less than 74 degrees to avoid high utility costs.
However, if your first priority is remaining comfortable, you might want to set the temperature lower, even though doing so is more expensive. When it comes to energy usage and wear on the air conditioning system, the warmer you keep your home, the better. Set the thermostat to 78 degrees Fahrenheit, which is the Energy Star recommendation for the coolest you should keep your home.