We got our house insulated with the injected foam ONE DAY before the 100F HDOY hit. Oh Yeah! we have already experienced a cooler house - 20 degrees cooler inside than outside at the peak heat of the day. And if we set our thermometer to turn on AC at 80, it may only come on once or twice for a few minutes. The added bonus is that the house is QUIET. Being one block away from 2100 south and 6 blocks from I-80 we normally hear traffic noise; not now. Nice!
As far as the guys doing the work, I give them an A+. We got scheduled within a week of signing the papers, they set a 6am start time for the attic R-shield and showed up "on time". 3 guys worked steadily for 12 hours, efficiently with minimum breaks. They discussed among themselves and were methodical about the job, helped each other get it done. And they cleaned up as they went. I couldn't tell they had been...