Goodwill (Tables)

12 Months Ended

Dec. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The changes in the carrying amount of goodwill in 2025 and 2024, in total and by segment, are summarized in the table below (in millions): 

Segment:	Balance at  December 31, 2023 (1)		Goodwill adjustment (2)		Balance at December 31, 2024		Goodwill from business acquisition (3)		Balance at December 31, 2025
Home Comfort Solutions	$	26.1	$	—	$	26.1	$	60.9	$	87.0
Building Climate Solutions	196.0		(2.1)		193.9		216.3		410.2
Corporate and Other	—		—		—		—		—
	$	222.1	$	(2.1)	$	220.0	$	277.2	$	497.2

(1) The goodwill balances in the table above are presented net of accumulated impairment charges of $37.3 million, all of which related to impairments in periods prior to 2023.

(2) On October 25, 2023, we announced the acquisition of AES. In connection with this acquisition, $40.4 million of goodwill was recorded in 2023 and included in the Building Climate Solutions reporting unit. In the first and fourth quarters of 2024, we made adjustments to our purchase price allocation of AES that resulted in a $2.1 million reduction of goodwill.

(3) On October 15, 2025, we announced the acquisition of Duro Dyne and Supco. In connection with this acquisition, $277.2 million of goodwill was recorded, of which $216.3 million was included in the Building Climate Solutions reporting unit and $60.9 million was included in the Home Comfort Solutions reporting unit. Duro Dyne is included in our Business Climate Solutions segment and Supco is included in our Home Comfort Solutions segment. See Note 17 for additional information on the Duro Dyne and Supco acquisition.