R&D expense · 2011–2025
Lennox International R&D expense
$103M+10.5% · FY2025
Lennox International (LII) reported $103M in R&D expense for fiscal 2025, +10.5% year on year.
| Fiscal year | R&D expense | Change | Filing |
|---|---|---|---|
| FY20252025-12-31 | $103M | +10.5% | Open → |
| FY20242024-12-31 | $93.6M | −0.4% | Open → |
| FY20232023-12-31 | $94.0M | +17.1% | Open → |
| FY20222022-12-31 | $80.3M | +5.5% | Open → |
| FY20212021-12-31 | $76.1M | +13.9% | Open → |
| FY20202020-12-31 | $66.8M | −4.4% | Open → |
| FY20192019-12-31 | $69.9M | −3.2% | Open → |
| FY20182018-12-31 | $72.2M | −1.9% | Open → |
| FY20172017-12-31 | $73.6M | +13.9% | Open → |
| FY20162016-12-31 | $64.6M | +3.7% | Open → |
| FY20152015-12-31 | $62.3M | +2.6% | Open → |
| FY20142014-12-31 | $60.7M | +13.0% | Open → |
| FY20132013-12-31 | $53.7M | +5.9% | Open → |
| FY20122012-12-31 | $50.7M | +0.8% | Open → |
| FY20112011-12-31 | $50.3M | — | Open → |
R&D expense — Research and development expense is what the company charged to R&D in the income statement for the year. Most companies report no R&D at all — the line is absent rather than zero — so this ranking covers the roughly 40% of filers that do.
Every row links to its own SEC filing · Fiscal year 2025 · Data as of September 25, 2026 · 2011–2025 compound annual growth +5.3%
R&D expense at companies of similar size
Cite this page
Ready-made references for the figures on this page, as published on September 25, 2026.
Wikipedia
{{cite web |title=Lennox International R&D expense |url=https://companiesranked.com/en/company/lennox-international/research-and-development-expense |website=CompaniesRanked |date=2026-09-25 |language=en}}APA 7
CompaniesRanked. (September 25, 2026). Lennox International R&D expense. CompaniesRanked. https://companiesranked.com/en/company/lennox-international/research-and-development-expenseBibTeX
@misc{companiesranked-en-company-lennox-international-research-and-development-expense-2026,
author = {{CompaniesRanked}},
title = {{Lennox International R\&D expense}},
year = {2026},
howpublished = {\url{https://companiesranked.com/en/company/lennox-international/research-and-development-expense}},
note = {Compiled from SEC EDGAR XBRL filings; data as of 2026-09-25},
urldate = {2026-09-25}
}The filing itself
The numbers above are read from this document: 10-K · 0001069202-26-000028 · February 17, 2026
{{cite web |title=Lennox International R&D expense — 10-K (0001069202-26-000028) |url=https://www.sec.gov/Archives/edgar/data/1069202/000106920226000028/lii-20251231.htm |website=SEC EDGAR |publisher=U.S. Securities and Exchange Commission |date=2026-02-17}}The figures are rebuilt with every data refresh, so the reference carries the publication date. Add your own access date if your style requires one.