To get the most affordable way to replace windows in Auburn, CA, follow the steps below: Always Choose Quality - The higher the quality, the more you’ll save on energy bills later. Look into various manufacturers that have been around for a long time. When you find a good manufacturer, you have a direct line to a good window company since the manufacturer chooses the companies by hand. Start by looking at windows that have Energy Star labels on them. Then, look at specific labels to help you identify which windows will save you the most money and pay you back for your initial investment. Read more.