Can Modular Expansion Drive Comfort Systems' Next Growth Phase?

Comfort Systems USA, Inc. FIX continues to advance its modular construction business, which is emerging as a major contributor to growth and profitability. In the first half of 2025, modular operations accounted for about 18% of total revenues, supported by rising demand from technology and industrial clients. The company currently operates 2.7 million square feet of modular capacity and plans to expand to nearly 3 million square feet by early 2026, indicating a steady, measured approach to scaling operations.

Comfort Systems emphasized that expansion efforts are not limited to adding capacity but also the focus on improving productivity and automation within existing facilities. These initiatives are expected to enhance execution speed, cost efficiency and project delivery, strengthening the company’s ability to serve large-scale customers in data center and industrial markets.

Comfort Systems’ modular business is now a well-integrated part of its overall operations rather than a separate product line. The company continues to prioritize high-value projects and collaborative customer relationships, ensuring stable margins and repeat business. While modular remains a smaller share of total revenues, its consistent growth and operational gains suggest increasing strategic importance.

With robust demand from technology-driven projects and expanding automation capabilities, modular construction could play a key role in supporting the next phase of growth for Comfort Systems. Continued execution in this segment positions the company to capture higher-margin opportunities and reinforce its leadership in complex, large-scale construction markets.

FIX’s Price Performance vs. Other Market Players

Shares of Comfort Systems have gained 54.7% in the past three months against the Zacks Building Products - Air Conditioner and Heating industry’s decline of 4.3%. In the same time frame, shares of other industry players, such as Watsco, Inc. WSO and Tecogen Inc. TGEN have declined 19% and gained 12.9%, respectively.

Price Performance

Comfort Systems’ Valuation Trend

From a valuation standpoint, FIX trades at a forward 12-month price-to-earnings ratio of 34.84X, up from the industry’s 27.2X.

EPS Trend of FIX

Comfort Systems’ earnings estimates for 2025 and 2026 have trended upward in the past 30 days by 2% to $22.25 per share and 3.2% to $24.45, respectively. The estimated figures for 2025 and 2026 indicate 52.4% and 9.9% year-over-year growth, respectively.

Comfort Systems currently has a Zacks Rank #3 (Hold). You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.

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This article originally published on Zacks Investment Research (zacks.com).

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