AHU Refurbishment & Restoration

John A. Wilson Building

Location: Washington, DC
Date: August 2026
Service: AHU Refurbishment & Restoration

Refurbishment of 12 air handling units, covering condition assessment, drain pan and floor restoration, corrosion remediation, coil cleaning and protective treatments.

01Scope of Work

AHU condition assessment
Drain pan and floor restoration
Corrosion remediation
Coil restoration and cleaning
Protective treatments
Drainage verification
Project documentation

02Before & After

Restored condensate drain pans with protective coating applied, viewed along the coil face — Drain pan restoration - corrosion removed, surface resurfaced and protected

Corroded condensate drain pan before restoration, showing surface deterioration — Drain pan restoration - corrosion removed, surface resurfaced and protected

Condensate pans after resurfacing, with drainage verified and coating cured — Standing water and corrosion resolved, drainage verified after restoration

Condensate drain pan before restoration, with standing water and corrosion — Standing water and corrosion resolved, drainage verified after restoration

03Project Photos

Urbacons technician accessing an air handling unit for condition assessment — Condition assessment before work begins

Urbacons technician preparing a deteriorated drain pan surface — Surface preparation of a deteriorated pan

Urbacons technician deep-cleaning a cooling coil — Coil deep cleaning

Interior cleaning of an air handling unit in progress — Interior cleaning in progress

Cooling coil after deep cleaning inside an air handling unit — Coil after cleaning

Restored drain pan section inside an air handling unit — Restored pan section

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