Comfort Systems USA, Inc. DCF Stock Analysis.

Here’s my assumptions:

Risk Free Rate (10 Years Interest Rate Swap): 4.08%

Risk Premium (Taken from the Aswath Damodaran equity premium spreadsheet): 4.62%

Interest Rate Spread on The Risk free rate ( For the cost of debt calculation): 4.5%

Last 2 years Beta: 2.08

Historical Data

Revenue growth in the last 10 years (CAGR): 18.66%

Earnings growth in the last 10 years (CAGR): 26.60%

Unlevered Free Cash Flow growth in the last 10 years (CAGR): 26.43%

Future Assumptions

End of Year FCF growth: 25%

Growth until end of 2026: 20%

Growth until end of 2034: 10%

Perpetual growth: 3%

Net Debt: -0.457B

Outstanding Stock Options Present Value Assumption: ~$0.0B

Restricted Stock Units Present Value Assumption: $0.097B

Stock Valuation based on these assumptions: $715

Last update 02/08/2026

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I don’t have a position in Comfort Systems USA, Inc. (FIX) and I don’t plan to add a position in the coming days.