CECO vs XYL: How CECO Environmental and Xylem Compare (2026)

Same yardstick, side by side (as of August 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

Reading it: XYL is the cheaper of the two on forward earnings, but cheaper is not the same as better. Pair the valuation with growth (how far the forward P/E sits below the trailing P/E) and risk (beta) before you decide.

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. CECO and XYL share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined CECO and XYL exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

CECO Environmental was incorporated in 1966 and now runs out of Addison, Texas, just outside Dallas. It sells engineered equipment that cleans, moves, separates, quiets and heats industrial process streams: selective catalytic reduction systems and gas turbine inlet and exhaust packages for power plants, cyclones and dust collectors for cement and metals, thermal oxidizers and scrubbers for chemicals, filtration and fluid handling for semiconductors and food processing, and acoustic enclosures where noise limits are part of the permit. The business is reported in two segments, Engineered Systems and Industrial Process Solutions. On June 1, 2026 CECO closed a roughly $2.2 billion combination with Thermon Group, a maker of electric and steam heat tracing, controllers, boilers and thermal fluid heaters, adding a business with roughly $520 million of annual revenue, gross margins near 45 percent and a large recurring maintenance component. CECO shareholders own about 62.5 percent of the combined company.

Full CECO guide

Xylem was spun out of ITT in 2011 and has become the largest publicly traded pure-play water technology company, operating through four segments: Water Infrastructure (transport and treatment for utilities), Applied Water (pumps and equipment for building and industrial use), Measurement and Control Solutions (smart meters, sensors and the Sensus platform), and Water Solutions and Services (the outsourced treatment and services business built up by the 2023 Evoqua acquisition). Its customers are heavily weighted toward water and wastewater utilities plus industrial users, which gives it exposure to non-discretionary, regulation-driven spending on aging pipes, leak detection, metering and treatment.

Full XYL guide

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

• CECO drivers: Natural gas power and the data center buildout; Thermon and the shift toward recurring revenue.
• XYL drivers: Aging infrastructure and water scarcity; Digital water and smart metering.

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: Project revenue is lumpy, and a book to bill above two in one quarter does not repeat forever. For XYL, organic growth has been flat in recent quarters even as reported revenue grew, so the premium valuation leaves little room for disappointment if utility or industrial demand slows.

Growth-minded investors who believe the theme has years to run tend to accept the richer multiple for more upside; value-minded investors lean toward the cheaper forward earnings and steadier profile. Pick CECO if you believe its drivers more; XYL if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the CECO and XYL guides.

CECO. The trailing numbers and the forward numbers describe two different companies, because Thermon only joined on June 1, 2026 and the 2026 guide carries seven months of it. That gap is why the GAAP multiple looks extreme while the forward multiple looks like an ordinary growth industrial. Anyone reading CECO on trailing figures alone will misprice it in one direction, and anyone reading it purely on guidance assumes the synergy and conversion plan lands.

XYL. Xylem generates roughly $9 billion in annual revenue and beat expectations in Q1 2026, delivering about $2.1 billion of revenue and around $1.12 in adjusted EPS while raising full-year guidance to a midpoint near $9.25 billion. At a market cap around $28 billion and a trailing P/E in the mid-30s, the stock trades at a premium to the broader industrials group, reflecting its pure-play water exposure and margin trajectory. Organic growth was roughly flat in the quarter even as reported revenue rose, so valuation leans on continued margin expansion.

Headline figures (approximate, August 2026): CECO shows revenue (ttm) ~$804M, with FY2025 revenue of ~$774M, up ~39%, fy2026 guidance (with thermon) Revenue ~$1.275B to ~$1.375B, adjusted EBITDA ~$195M to ~$225M, q1 2026 orders and backlog Orders ~$450M (up ~97%), backlog ~$1.035B, book to bill ~2.2x, q1 2026 margins Gross margin ~31%, adjusted EBITDA margin ~9.9%, adjusted EPS ~$0.36; XYL shows revenue (ttm) ~$9.1B, q1 2026 revenue ~$2.1B, 2026 revenue guidance (midpoint) ~$9.25B, q1 2026 adjusted eps ~$1.12.

CECO and XYL are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined CECO and XYL exposure against your real portfolio. It is not an investment adviser.