Lennox International's stock soared 5% in pre-market trading on Wednesday following the release of its first-quarter financial results.

The HVAC solutions provider reported Q1 revenue of $1.14 billion, beating analyst estimates of $1.07 billion to $1.08 billion. The company also reported adjusted earnings per share of $3.35, which exceeded consensus estimates of $3.16 to $3.19. The strong performance was driven by a 38% revenue increase in the Building Climate segment, supported 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. The company maintained its adjusted EPS guidance range of $23.50 to $25.00 for the year. The updated outlook reflects stabilizing end-markets and encouraging momentum across the business.