Cheap HVAC Ducting, Gas Meter Identification, Electrical Services & Shrubbery, Condensate Disposal

Our first collection of Site Unseen clips from the field.

Site Unseen

Tips and tricks in construction, live from the field.

Welcome to Site Unseen, a newsletter series of short clips recorded live from the field by PermitZIP engineers. In each one-take video, experts identify and discuss various building components, offering insights into construction engineering without needing an engineering background.

Do you have a building component you’d like us to evaluate? Send us photos, and we'll find similar examples locally to film and share our thoughts.

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Electrical Service Equipment

Carter identifies the electrical service equipment, metered through a CT (current transformer) cabinet before it hits an exterior distribution board. We didn’t go inside, but the distribution board likely serves interior branch panels and large HVAC equipment.

HVAC Ducting on the Cheap

Spoiler: the solution is not to install ductwork. Works great in big box stores or similar large single-volume spaces.

Condensate Disposal

Did you know how much water the HVAC system generates in the summer? When the air gets cold, it releases moisture.