Lennox International (LII) saw its stock surge 10.09% in pre-market trading on Wednesday, following the release of its impressive second-quarter results and an upgraded full-year guidance. The HVAC company's performance significantly exceeded analyst expectations, demonstrating robust growth across key financial metrics.

For the second quarter, Lennox reported a 3% increase in revenue to $1.5 billion, surpassing the analyst consensus estimate of $1.48 billion. The company's adjusted earnings per share (EPS) jumped 14% to $7.82, substantially beating the $6.86 per share forecast by analysts. This strong performance was driven by favorable mix and pricing benefits, which helped offset inflationary pressures. The Building Climate Solutions segment showed particular strength, with revenue climbing 5% to $492 million.

In light of these strong results, Lennox has raised its full-year 2025 guidance. The company now expects revenue to grow by 3%, up from its previous projection of 2%. Moreover, Lennox revised its EPS guidance range upward to $23.25-$24.25, compared to the earlier forecast of $22.25-$23.50. This upgraded outlook reflects the company's confidence in its growth initiatives and ability to manage costs effectively, signaling potential for continued strong performance in the coming quarters.