| 2006-12-12 | Sale | Comfort Systems USA, Inc. FIX | director | 144,270 0.3555% | $12.80 | $1.85M | +4.76% | |
| 2006-12-11 | Sale | Comfort Systems USA, Inc. FIX | director | 74,600 0.1842% | $13.00 | $969,837 | +3.31% | |
| 2006-12-08 | Sale | Comfort Systems USA, Inc. FIX | director | 46,200 0.1151% | $13.12 | $606,218 | +3.42% | |
| 2006-11-14 | Sale | Comfort Systems USA, Inc. FIX | director | 76,200 0.188% | $13.27 | $1.01M | +2.75% | |
| 2006-11-13 | Sale | Comfort Systems USA, Inc. FIX | director | 223,800 0.5573% | $13.20 | $2.95M | +4.24% | |
| 2006-11-10 | Sale | Comfort Systems USA, Inc. FIX | director | 114,000 0.2792% | $13.15 | $1.5M | +3.01% | |
| 2006-11-09 | Sale | Comfort Systems USA, Inc. FIX | director | 140,000 0.3465% | $13.12 | $1.84M | +4.24% | |
| 2006-09-08 | Sale | Comfort Systems USA, Inc. FIX | director | 28,600 0.0711% | $12.50 | $357,640 | +4.72% | |
| 2006-09-05 | Sale | Comfort Systems USA, Inc. FIX | director | 80,000 0.1984% | $13.13 | $1.05M | -0.59% | |
| 2006-08-18 | Sale | Comfort Systems USA, Inc. FIX | director | 13,400 0.0332% | $12.78 | $171,244 | +1.79% | |
| 2006-08-17 | Sale | Comfort Systems USA, Inc. FIX | director | 73,800 0.1828% | $12.78 | $943,422 | +1.56% | |
| 2006-08-16 | Sale | Comfort Systems USA, Inc. FIX | director | 149,200 0.3704% | $12.79 | $1.91M | +1.72% | |
| 2006-08-15 | Sale | Comfort Systems USA, Inc. FIX | director | 1,000 0.0025% | $12.76 | $12,762 | +2.69% | |
| 2006-05-11 | Sale | Comfort Systems USA, Inc. FIX | director | 12,800 0.0326% | $15.00 | $192,000 | -12.83% | |
| 2006-05-10 | Sale | Comfort Systems USA, Inc. FIX | director | 172,000 0.4279% | $15.06 | $2.59M | -15.27% | |
| 2006-05-09 | Sale | Comfort Systems USA, Inc. FIX | director | 304,200 0.7553% | $15.01 | $4.57M | -15.15% |