Lennox (LII) r&d spend was $103M in FY2025 (+10% YoY). The tables below show the complete quarterly and annual r&d spend history, sourced from SEC EDGAR 10-K and 10-Q filings.
Annual R&D Spend
Fiscal Year
R&D Spend
YoY
2025
$103M
+10%
2024
$94M
-0%
2023
$94M
+17%
2022
$80M
+6%
2021
$76M
+14%
2020
$67M
-4%
2019
$70M
-3%
2018
$72M
-2%
2017
$74M
+14%
2016
$65M
+4%
2015
$62M
+3%
2014
$61M
+13%
2013
$54M
+6%
2012
$51M
+1%
2011
$50M
+2%
2010
$50M
+1%
2009
$49M
Recent Quarterly R&D Spend
Quarter
R&D Spend
Q4 2025
$103M
Q4 2024
$94M
Q4 2023
$94M
Q4 2022
$80M
Q4 2021
$76M
Q4 2020
$67M
Q4 2019
$70M
Q4 2018
$72M
Q4 2017
$74M
Q4 2016
$65M
Q4 2015
$62M
Q4 2014
$61M
Source: LII on EDGAR. Data from SEC EDGAR 10-K and 10-Q filings. Updated quarterly.