You don’t need a new frame. A glass shop or window specialist can measure the existing IGU, order a replacement sealed unit, and install it into your current frame. This costs per window (versus $600–$1,200+ for a full frame replacement).
Initially, Elias considered a "quick fix"—drilling tiny holes to vent the moisture—but he learned this was often a temporary solution that didn't restore the window’s original insulating power. The Repair Dilemma: Patch or Replace? double pane glass repair
Before you call a contractor for a full replacement, let’s break down what failed, why it matters, and whether repair is actually an option. You don’t need a new frame
When the sun hits the window, the air inside expands and pushes moisture out through the micro-cracks. When the window cools down at night, it draws moist air back in. Over time, this moisture gets trapped, condenses, and creates the fog or haze you see. When the sun hits the window, the air
The window is large, on a second story, has tempered or low-E glass, or if you’re unsure about measuring. Ordering the wrong size IGU means throwing money away.
This is the classic sign of a failed seal in a double pane window. But before you start budgeting for a full window replacement, there is good news. In many cases, is a viable, cost-effective solution that can save you hundreds of dollars.
Cost: per window. ✔ Removes the fog. ✘ No argon gas. ✘ Seal often fails again. Bottom line: Only if you don’t care about energy loss and just want it to look clear for a year or two.