Lennox International's stock soared 6.85% during intraday trading on Wednesday following the release of its first-quarter financial results, which significantly exceeded market expectations.

The HVAC solutions provider reported Q1 adjusted earnings per share of $3.35, beating analyst consensus estimates ranging from $3.16 to $3.19. Revenue for the quarter reached $1.14 billion, surpassing expectations of approximately $1.07 billion to $1.08 billion. The strong performance was primarily driven by a 38% revenue increase in the company's Building Climate segment, fueled by higher sales volumes, acquisitions, and strong emergency replacement activity.

Additionally, Lennox raised its full-year 2026 revenue growth guidance to approximately 8%, up from the previous outlook of 6%-7% growth, while maintaining its adjusted EPS guidance range of $23.50 to $25.00. The company cited stabilizing end-markets and encouraging business momentum as key factors supporting the improved outlook.