The best window air conditioner seamlessly combines ... the energy efficiency of the appliance. Higher star ratings signify better energy efficiency, with 5 stars being the most efficient.

This is especially true for ceiling fans with 5-star ratings, which are designed to help save electricity. Here are some of the best energy efficient 5-star ceiling fans that reduce electricity bills.

Roughly 80 per cent of homes have energy ... of the best-performing areas. Australian homes are rated between zero and 10 stars, depending on their energy efficiency. A zero-star home is too ...