Acquisitions - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended	12 Months Ended
	Oct. 31, 2025	Dec. 31, 2025	Mar. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Duro Dyne and Supco
Business Combination [Line Items]
Payments to Acquire Businesses, Gross	$ 545.0
Intangible assets acquired	$ 235.0
Business Combination, Pro Forma Information, Pro Forma Revenue				$ 42.0
Duro Dyne and Supco | Residential Heating and Cooling [Member]
Business Combination [Line Items]
Business Combination, Acquiree's Earnings (Loss) since Acquisition Date, Actual		$ 0.4
Duro Dyne and Supco | Commercial Heating and Cooling [Member]
Business Combination [Line Items]
Business Combination, Acquiree's Earnings (Loss) since Acquisition Date, Actual		$ 6.4
AES
Business Combination [Line Items]
Working capital adjustment			$ (1.8)		$ (1.7)