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Acuity agrees US$675m deal for data centre specialist Parameter

The lighting and building management group adds leak detection and battery monitoring for liquid-cooled AI facilities.

M&A News deals deskIndustrials / Data centre monitoring · United States, Americas26 Oct 2026

Acuity Inc. has agreed to acquire Parameter Technologies, a supplier of leak detection, environmental monitoring and battery monitoring systems for data centres, for US$675m, the company said on 26 October 2026.

Why Acuity Inc. is buying Parameter Technologies

Acuity said Parameter complements the Distech Controls building management portfolio within its Acuity Intelligent Spaces segment and expands its exposure to data centres and other critical infrastructure. It expects the deal to be accretive to fiscal 2027 adjusted diluted EPS.

Deal terms and financing

Acuity will pay US$675m, funded with about US$500m of new borrowings and cash on its balance sheet. Parameter expects calendar 2027 sales of about US$100m, up more than 30%, with EBITDA margins of about 40%.

Regulatory approvals and timing

Closing is subject to customary conditions, including expiry of the Hart-Scott-Rodino waiting period, and is expected in the second quarter of Acuity's fiscal 2027.

Market context

Parameter, based in Fort Collins, Colorado, was formed in December 2024 when RLE Technologies combined with NDSL, maker of Cellwatch battery monitoring. Liquid cooling in AI data centres has increased demand for leak detection.

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