EXHIBIT 21.1

Lennox International Inc. Subsidiaries

The following are the subsidiaries of Lennox International Inc., as of February 6, 2024, and the states or jurisdictions in which they are organized. Subsidiaries are indented below their immediate parent entity. The names of certain subsidiaries have been omitted because, considered in the aggregate as a single subsidiary, they would not constitute, as of the end of the year covered by this report, a “significant subsidiary” as that term is defined in Rule 1-02(w) of Regulation S-X under the Securities Exchange Act of 1934.

Name	Ownership	Jurisdiction
Lennox Industries Inc. (See Annex A)	100%	Delaware
d/b/a Lennox Parts Plus, Lennox Industries Inc. of Delaware
Heatcraft Inc.	100%	Delaware
Bohn de Mexico S.A. de C.V.	50%	Mexico
Frigus-Bohn S.A. de C.V.	50%	Mexico
Advanced Distributor Products LLC	100%	Delaware
Heatcraft Refrigeration Products LLC	100%	Delaware
Heatcraft Technologies Inc.	100%	Delaware
Alliance Compressor LLC	24.5%	Delaware
Lennox Procurement Company Inc.	100%	Delaware

ANNEX A

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EXHIBIT 21.1

Lennox Industries Inc. Subsidiaries

Name	Ownership	Jurisdiction
Allied Air Enterprises LLC	100%	Delaware
LPAC Corp.	100%	Delaware
Lennox Global LLC (See Annex B)	100%	Delaware
LGL Europe Holding Co.	53.2%	Delaware
LGL Holland B.V. (See Annex C)	100%	Netherlands
Lennox National Account Services Inc.	100%	California
Lennox Services LLC	100%	Delaware
Lennox National Account Services LLC	100%	Florida
Lennox AES Holdings LLC	100%	Delaware
Lennox AES Industries LLC	100%	Delaware

ANNEX B

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EXHIBIT 21.1

Lennox Global LLC Subsidiaries

Name	Ownership	Jurisdiction
Lennox (Shanghai) Refrigeration Technology Consulting Co Ltd.	100%	China
LGL Europe Holding Co.	46.8%	Delaware
LGL Holland B.V. (See Annex C)	100%	Netherlands
P.M. Pagdig, S. de R.L. de C.V.	99.998%	Mexico
LGL Australia (US) Inc.	100%	Delaware
Lennox India Technology Centre Private Ltd.	0.0005%	India
LII Comercial de Mexico, S. de R.L. de C.V.	99.97%	Mexico
P.M. Pagdig, S. de R.L. de C.V.	0.002%	Mexico

ANNEX C

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EXHIBIT 21.1

LGL Holland B.V. Subsidiaries

Name	Ownership	Jurisdiction
Lennox Industries (Canada) ULC	100%	Canada
Lennox Switzerland GmbH	100%	Switzerland
LII Mexico Holdings Ltd.	100%	UK
LII United Products, S. de R.L. de C.V.	99.99%	Mexico
LII Comercial de Mexico, S. de R.L. de C.V.	0.03%	Mexico
Lennox Mexico Minority Holdings LLC	100%	Delaware
LII United Products, S. de R.L. de C.V.	0.01%	Mexico
Lennox LXMO Holdings LLC	100%	Delaware
LII LXMO Holdings LLC	100%	Delaware
Lennox India Technology Centre Private Ltd.	99.9995%	India
LGL Germany GmbH	100%	Germany
LII Global UK Ltd.	100%	United Kingdom
Lennox NAO	99.5%	Russia