Those kits are a game changer for old windows. Put a hair dryer on low to smooth out the film, gets rid of wrinkles and makes the seal way tighter.

But you're missing the point where he actually LIKES his house now. Paying a little extra for something you enjoy looking at every single day is worth it. Those shingles are rated for decades anyway, so a few years difference is a future problem. My buddy did the same thing in Tucson and his AC is totally fine.

Oh man, that's a solid catch. I totally would have just blamed a bad batch of connectors or something. I used to think a crimp was a crimp, you know, as long as it looked tight and passed a tug test. But after having a VOR needle get a little swimmy on me, I learned the hard way that the tiny specs really do matter. Your tech just saved you a future headache for sure.