The significant outperformance of Comfort Systems USA over the past 20 years, with an average annual return of 20.78%, highlights the company's strong growth and potential for future gains. This historical performance, coupled with a current market capitalization of $10.71 billion, suggests a positive outlook for the stock. Investors may view this track record as indicative of the company's ability to continue delivering value, potentially driving up the stock price in the short term.