A few places will remove the fogged windows, clean and reseal them. Two places are Sun Coast Design in FL and RV Fogg DR in AR.
There are also videos online to repair dual pain windows. We had some repaired in FL a few years back.
Amateur Radio Operator (KE5DFR)|No Longer Full-Time! - 2023 Cougar 22MLS toted by 2022 F150, 3.5L EcoBoost Tow Max FX4 Lariat Travel with one Standard Schnauzer and one small Timneh African Gray Parrot, retired mechanical engineer