GRR crew installing new return fan package during live BronxCare hospital retrofit in NYC

NYC Hospital Return Fan Retrofit at BronxCare Completed Live in 7 Hours

Mar 1, 2026

BronxCare update: our field crew completed a live hospital return fan retrofit in just 7 hours. The old return fan assembly was removed and a new return fan package was installed with custom duct transitions and a new electrical panel with overload protection and speed control, ready for controls integration.

Full project details and specs>
Watch the install video>


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