Windows on Washington wrote:
Get and energy audit and get some real data on the home.
With 17 windows, you should be able to get a really good window and get the home air sealed and insulated in many cases.
Do you research and your home and utility bills will love you for it.
+1. Good advice
..... I'd say builder grade vinyl from 1994 is likely at its life expectancy regardless, but an audit will help identify all
the areas of concern and prioritize accordingly. Many states have programs where you can get them free, discounted, or at least get rebates on the work once its been completed.