COMFORT SYSTEMS USA INC — Director's Dealing 2021

May 20, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COMFORT SYSTEMS USA INC (FIX)
CIK: 0001035983
Period of Report: 2021-05-18

Reporting Person: Krusi Alan (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-18	Common Stock	A	1939	—	Acquired	32853	Indirect

Footnotes

F1: Shares granted pursuant to the 2017 Omnibus Incentive Plan as approved by stockholders on May 23, 2017. Non-employee directors are given an annual grant of Comfort Systems USA Common Stock following election or reelection at the Company's annual stockholders' meeting. This year's grant is equal to $160,000, as rounded down to the nearest whole share, based on the average of the high and low price of the Company's Common Stock on the day of the annual stockholders' meeting.

F2: Held by The Krusi Family Trust for which the Reporting Person and his spouse are trustees.