** Shares of environment-friendly equipment manufacturer CECO Environmental CECO.O rise 13.3% to $91.2 premarket

** Company raises FY26 revenue forecast following acquisition of Thermon Group

** Says acquisition, which closed last week, will generate $40 mln or more in cost synergies

** CECO expects FY26 revenue to be between $1.28 bln and $1.38 bln, up about 20% at midpoint of the range

** Analysts expect revenue of $968 mln for FY26 - data compiled by LSEG

** As of last close, shares up 34.5% YTD