When possible, delay heat-generating activities such as dishwashing and clothes drying until the evening.
Interior doors must remain open to allow the air to circulate.
Open windows if temperature drops at night however make sure to close them before it gets too hot in the morning.
Plant shade trees around your home to block sunlight.
Light bulbs generate heat so consider turning off lights during the peak hot hours.
Keep your blinds/ curtains closed especially south and west facing windows.