What is the current annual debt to equity of LII?

As of today, LII annual debt to equity is 1.52

What is 1-year change in LII annual debt to equity?

LII annual debt to equity is down -13.14% year-over-year

What is 3-year change in LII annual debt to equity?

LII annual debt to equity is up +117.63% over the past 3 years

How far is LII annual debt to equity from its all-time high?

LII annual debt to equity is currently -98.62% below its historical high of 110.19 set on December 31, 2014

How does LII annual debt to equity rank versus sector peers?

LII annual debt to equity is higher than 84.89% of companies in Industrials sector

When is LII next annual earnings release?

The next annual earnings release for LII is on February 3, 2027

What is the current quarterly debt to equity of LII?

As of today, LII quarterly debt to equity is 1.58

What is LII quarterly debt to equity most recent change?

LII quarterly debt to equity was up +1.28% on September 30, 2026

What is 1-year change in LII quarterly debt to equity?

LII quarterly debt to equity is up +23.44% year-over-year

How far is LII quarterly debt to equity from its all-time high?

LII quarterly debt to equity is currently -98.64% below its historical high of 116.56 set on June 30, 2017

How does LII quarterly debt to equity rank versus sector peers?

LII quarterly debt to equity is higher than 85.87% of companies in Industrials sector

When is LII next earnings release?

The next earnings release for LII is on February 3, 2027

LII Debt To Equity Ratio History & Chart Since 1997

Annual Debt To Equity

1.520.23-13.14%

December 31, 2025

Summary

Current Value: As of today, LII annual debt to equity is 1.52, down -13.14% on December 31, 2025
Historical Performance: LII annual debt to equity is up +117.63% over the past 3 years, up +102.21% over the past 5 years
All-Time High Comparison: LII annual debt to equity is currently -98.62% below its historical high of 110.19 set on December 31, 2014
3-Year Low Comparison: LII annual debt to equity is +117.63% above its 3-year low of -8.62 reached on an earlier date
Sector Comparison: LII annual debt to equity is higher than 84.89% of companies in Industrials sector

Debt To Equity Chart

Performance

LII Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Debt To Equity	Dec 31, 25	1.52	-13.1%	+117.6%	+102.2%	+181.5%
Quarterly Debt To Equity	Sep 30, 26	1.58	+23.4%	-85.2%	+136.2%	+58.0%
Price	Nov 6, 26	$341.97	-30.4%	-11.2%	+13.2%	+928.5%
Annual Total Debt	Dec 31, 25	$1.77B	+18.9%	+1.2%	+50.3%	+455.1%
	Dec 31, 25	$1.16B	+20.9%	+672.7%	+6901.8%	+97.2%
	Dec 31, 25	1.60	+11.9%	+70.2%	+3.2%	+3.9%
	Dec 31, 25	0.63	-30.0%	+34.0%	-31.5%	-41.1%
	Dec 31, 25	$333.20M	-14.1%	-57.0%	+413.4%	+10000.0%
	Dec 31, 25	$1.44B	+30.6%	+47.3%	+29.1%	+353.5%
	Sep 30, 26	5	-16.7%	-16.7%	-28.6%	0.0%
	Nov 6, 26	6.42	-20.8%	-9.1%	-13.1%	+64.2%

Debt To Equity Highs

LII Annual Debt To Equity Highs Comparison
Period	High	Date	Current
3Y	5.35	Dec 31, 23	-71.6%
5Y	5.35	Dec 31, 23	-71.6%
All	110.19	Dec 31, 14	-98.6%

Debt To Equity Lows

LII Annual Debt To Equity Lows Comparison
Period	Low	Date	Current
3Y	-8.62	N/A	+117.6%
5Y	-68.91	N/A	+102.2%
All	-68.91	Dec 31, 20	+102.2%

Debt To Equity History

Year	Value	Change
2025	1.52	-13.1%
2024	1.75	-67.3%
2023	5.35	+162.1%
2022	-8.62	-61.4%
2021	-5.34	+92.3%
2020	-68.91	-765.7%
2019	-7.96	-14.4%
2018	-6.96	-134.7%
2017	20.04	-13.2%
2016	23.09	+215.4%
2015	7.32	-93.4%
2014	110.19	>+9,900.0%
2013	0.83	+6.4%
2012	0.78	-21.2%
2011	0.99	+83.3%

Year	Value	Change
2010	0.54	+42.1%
2009	0.38	-58.7%
2008	0.92	+253.8%
2007	0.26	+85.7%
2006	0.14	-6.7%
2005	0.15	-77.3%
2004	0.66	+6.5%
2003	0.62	-26.2%
2002	0.84	+6.3%
2001	0.79	-15.1%
2000	0.93	-4.1%
1999	0.97	+56.5%
1998	0.62	+1.6%
1997	0.61	-

FAQ

What is the current annual debt to equity of LII?: As of today, LII annual debt to equity is 1.52
What is 1-year change in LII annual debt to equity?: LII annual debt to equity is down -13.14% year-over-year
What is 3-year change in LII annual debt to equity?: LII annual debt to equity is up +117.63% over the past 3 years
How far is LII annual debt to equity from its all-time high?: LII annual debt to equity is currently -98.62% below its historical high of 110.19 set on December 31, 2014
How does LII annual debt to equity rank versus sector peers?: LII annual debt to equity is higher than 84.89% of companies in Industrials sector
When is LII next annual earnings release?: The next annual earnings release for LII is on February 3, 2027

Debt To Equity Formula

Debt To Equity =

Total Debt

Quarterly Debt To Equity

1.580.02+1.28%

September 30, 2026

Summary

Current Value: As of today, LII quarterly debt to equity is 1.58, up +1.28% on September 30, 2026
Historical Performance: LII quarterly debt to equity is up +23.44% year-over-year, down -85.23% over the past 3 years
All-Time High Comparison: LII quarterly debt to equity is currently -98.64% below its historical high of 116.56 set on June 30, 2017
3-Year Low Comparison: LII quarterly debt to equity is +23.44% above its 3-year low of 1.28 reached on September 30, 2025
Sector Comparison: LII quarterly debt to equity is higher than 85.87% of companies in Industrials sector

Performance

LII Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Debt To Equity	Sep 30, 26	1.58	+1.3%	+23.4%	-85.2%	+136.2%
Annual Debt To Equity	Dec 31, 25	1.52	–	-13.1%	+117.6%	+102.2%
Price	Nov 6, 26	$341.97	-21.5%	-30.4%	-11.2%	+13.2%
Quarterly Total Debt	Sep 30, 26	$2.08B	+3.0%	+52.1%	+22.2%	+42.9%
	Sep 30, 26	$1.32B	+1.5%	+23.1%	+725.6%	+493.3%
	Sep 30, 26	1.21	-22.9%	-28.0%	-12.9%	+12.0%
	Sep 30, 26	0.57	-26.0%	-28.8%	-27.9%	-13.6%
	Sep 30, 26	$861.60M	+65.9%	+241.0%	+104.3%	+142.8%
	Sep 30, 26	$1.22B	-18.8%	+9.4%	-4.8%	+10.8%
	Sep 30, 26	5	-28.6%	-16.7%	-16.7%	-28.6%
	Nov 6, 26	6.42	-9.7%	-20.8%	-9.1%	-13.1%

Quarterly Debt To Equity Highs

LII Quarterly Debt To Equity Highs Comparison
Period	High	Date	Current
1Y	1.61	Mar 31, 26	-1.9%
3Y	10.70	N/A	-85.2%
5Y	28.78	Jun 30, 23	-94.5%
All	116.56	Jun 30, 17	-98.6%

Quarterly Debt To Equity Lows

LII Quarterly Debt To Equity Lows Comparison
Period	Low	Date	Current
1Y	1.28	N/A	+23.4%
3Y	1.28	Sep 30, 25	+23.4%
5Y	-15.02	Mar 31, 23	+110.5%
All	-787.93	Mar 31, 17	+100.2%

Quarterly Debt To Equity History

Month	Value	Change
Sep 2026	1.58	+1.3%
Jun 2026	1.56	-3.1%
Mar 2026	1.61	+5.9%
Dec 2025	1.52	+18.8%
Sep 2025	1.28	-25.6%
Jun 2025	1.72	-1.7%
Mar 2025	1.75	+12.9%
Dec 2024	1.55	-18.0%
Sep 2024	1.89	-30.5%
Jun 2024	2.72	-39.4%
Mar 2024	4.49	-16.1%
Dec 2023	5.35	-50.0%
Sep 2023	10.70	-62.8%
Jun 2023	28.78	+291.6%
Mar 2023	-15.02	-74.2%
Dec 2022	-8.62	-45.4%
Sep 2022	-5.93	-25.1%
Jun 2022	-4.74	-6.3%
Mar 2022	-4.46	+16.5%
Dec 2021	-5.34	-22.5%
Sep 2021	-4.36	+34.9%
Jun 2021	-6.70	+21.2%
Mar 2021	-8.50	+87.7%
Dec 2020	-68.91	-557.5%
Sep 2020	-10.48	-52.8%
Jun 2020	-6.86	-34.2%
Mar 2020	-5.11	+35.8%
Dec 2019	-7.96	-35.8%
Sep 2019	-5.86	+22.0%
Jun 2019	-7.51	-4.9%
Mar 2019	-7.16	-2.9%
Dec 2018	-6.96	+46.3%
Sep 2018	-12.97	-72.7%
Jun 2018	-7.51	+40.2%
Mar 2018	-12.56	-162.7%
Dec 2017	20.04	-42.8%
Sep 2017	35.02	-70.0%
Jun 2017	116.56	+114.8%
Mar 2017	-787.93	-3,512.4%
Dec 2016	23.09	-48.0%
Sep 2016	44.37	+27.9%
Jun 2016	34.68	+332.8%
Mar 2016	-14.90	-302.7%
Dec 2015	7.35	-22.3%
Sep 2015	9.46	-50.1%
Jun 2015	18.95	+129.3%
Mar 2015	-64.63	-158.7%
Dec 2014	110.19	+9,159.7%
Sep 2014	1.19	+1.7%
Jun 2014	1.17	+1.7%
Mar 2014	1.15	+38.6%
Dec 2013	0.83	-7.8%
Sep 2013	0.90	-25.0%
Jun 2013	1.20	+5.3%
Mar 2013	1.14	+46.2%
Dec 2012	0.78	-17.0%

Month	Value	Change
Sep 2012	0.94	-12.1%
Jun 2012	1.07	-2.7%
Mar 2012	1.10	+11.1%
Dec 2011	0.99	-1.0%
Sep 2011	1.00	+4.2%
Jun 2011	0.96	0.0%
Mar 2011	0.96	+77.8%
Dec 2010	0.54	-19.4%
Sep 2010	0.67	-1.5%
Jun 2010	0.68	+33.3%
Mar 2010	0.51	+34.2%
Dec 2009	0.38	+8.6%
Sep 2009	0.35	-44.4%
Jun 2009	0.63	-33.0%
Mar 2009	0.94	+2.2%
Dec 2008	0.92	+39.4%
Sep 2008	0.66	-16.5%
Jun 2008	0.79	+31.7%
Mar 2008	0.60	+130.8%
Dec 2007	0.26	+44.4%
Sep 2007	0.18	-10.0%
Jun 2007	0.20	+17.6%
Mar 2007	0.17	+21.4%
Dec 2006	0.14	-6.7%
Sep 2006	0.15	-6.3%
Jun 2006	0.16	+6.7%
Mar 2006	0.15	0.0%
Dec 2005	0.15	-59.5%
Sep 2005	0.37	-32.7%
Jun 2005	0.55	-15.4%
Mar 2005	0.65	-1.5%
Dec 2004	0.66	-8.3%
Sep 2004	0.72	-5.3%
Jun 2004	0.76	-16.5%
Mar 2004	0.91	+46.8%
Dec 2003	0.62	-6.1%
Sep 2003	0.66	-9.6%
Jun 2003	0.73	-11.0%
Mar 2003	0.82	-2.4%
Dec 2002	0.84	-4.5%
Sep 2002	0.88	-22.8%
Jun 2002	1.14	-11.6%
Mar 2002	1.29	+63.3%
Dec 2001	0.79	-1.3%
Sep 2001	0.80	-9.1%
Jun 2001	0.88	-7.4%
Mar 2001	0.95	+2.2%
Dec 2000	0.93	-6.1%
Sep 2000	0.99	+2.1%
Jun 2000	0.97	-9.3%
Mar 2000	1.07	+10.3%
Dec 1999	0.97	+15.5%
Sep 1999	0.84	+31.3%
Jun 1999	0.64	-26.4%
Mar 1999	0.87	-

FAQ

What is the current quarterly debt to equity of LII?: As of today, LII quarterly debt to equity is 1.58
What is LII quarterly debt to equity most recent change?: LII quarterly debt to equity was up +1.28% on September 30, 2026
What is 1-year change in LII quarterly debt to equity?: LII quarterly debt to equity is up +23.44% year-over-year
How far is LII quarterly debt to equity from its all-time high?: LII quarterly debt to equity is currently -98.64% below its historical high of 116.56 set on June 30, 2017
How does LII quarterly debt to equity rank versus sector peers?: LII quarterly debt to equity is higher than 85.87% of companies in Industrials sector
When is LII next earnings release?: The next earnings release for LII is on February 3, 2027

Debt To Equity Formula

Debt To Equity =

Total Debt

Data Sources & References

LII Official Website www.lennox.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1069202/000106920226000005/0001069202-26-000005-index.htm
LII Profile on Yahoo Finance finance.yahoo.com/quote/LII
LII Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/lii