3. You really aren’t going to save much energy. 5 different companies recently settled with the FTC to stop making exaggerated claims when advertising the energy savings of their replacement windows. Energy Star estimates that in Richmond, if you replaced all of your old single pane windows, you will save approximately $200 a year based on typical sized homes such as a 1700 square foot ranch, or a 2600 square foot two floor home. These homes can have 15-30 windows. That means every year and half, you would have offset the cost of about 1 window if you are lucky. If your window salesman says you can make your money back in savings in a year or two, just show him to the door.
This doesn’t mean you shouldn’t replace your windows. Replacing your windows may increase the value of your home, but you should discuss that further with a Realtor.