0001035983 2026-07-23 2026-07-23 0001035983 false 8-K 2026-07-23 Comfort Systems USA, Inc. DE 1-13011 76-0526487 9753 Katy Freeway Suite 700 Houston TX 77024 713 830-9600 false false false false Common Stock, $0.01 par value FIX NYSE false