Summer means lots of sunny weather and, for a good part of the country, cranking up the air conditioning to deal with the heat. With that increase in AC usage comes a corresponding rise in energy bills. Beating the heat is essential, but higher energy bills may encourage homeowners to search for creative solutions to lower costs. The answer to lower energy bills may be more straightforward than you’d think. Upgrading your windows to uPVC double-glazed energy-efficient windows could help combat higher energy costs without compromising your home’s comfort.