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Lennox International (LII) operating margin by quarter

Lennox International's operating margin was 19.8% in Q3 2026 (third quarter 2026), -3.1 pts from Q2 2026. Over the last 7 quarters it ranged from 14.4% (Q1 2026) to 23.3% (Q2 2025).

Lennox International operating margin by quarterLennox International operating margin by quarter14.5%Q1 202523.3%Q2 202521.7%Q3 202516.4%Q4 202514.4%Q1 202623.0%Q2 202619.8%Q3 2026
QuarterOperating marginQ/QY/Y
Q3 202619.8%-3.1 pts-1.9 pts
Q2 202623.0%+8.6 pts-0.3 pts
Q1 202614.4%-2.0 pts-0.1 pts
Q4 202516.4%-5.4 pts—
Q3 202521.7%-1.5 pts—
Q2 202523.3%+8.7 pts—
Q1 202514.5%——

Q3 2026 at a glance

Lennox International, Q3 2026: revenue $1.6B (+10% year over year), operating margin 19.8%, net earnings $221M, operating cash flow $395M. The chart follows the revenue to costs, profit and cash.

Questions

What is Lennox International's operating margin?

Lennox International's operating margin was 19.8% in Q3 2026 (third quarter 2026), -3.1 pts from Q2 2026.

How has Lennox International's operating margin changed?

Over the last 7 quarters it ranged from 14.4% (Q1 2026) to 23.3% (Q2 2025).

Q3 2026 results → · How Lennox International makes money →