A well-ventilated attic is key to help reduce your energy costs. During the peak summer months, your attic’s temperature can rise to 160° or more without a solar attic fan! This heat build-up will dump into your living space thus raising the temperature inside your home and increasing the amount of electricity used by air conditioners and other cooling equipment. The insulation installed in your home will degrade faster overtime if you have excessive attic heat and moisture.