Published
July 2, 2026
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Retrofitting, rather than full replacement, is a common strategy for upgrading aging building systems in commercial buildings. However, working within the constraints of existing infrastructure can present unique challenges.
Al Spinelli, senior mechanical engineer at Henderson Engineer, recently shared insights on how engineers and contractors navigate retrofit projects in an article by Plumbing & Mechanical magazine. A 10-year industry veteran, Spinelli discussed key factors driving the shift toward retrofitting existing systems instead of full replacement, the most common system upgrades, and the challenges of integrating modern equipment into legacy infrastructure.
Read the full story here.