Lobby · 05 Column units serve high volumes where a wall split never mixes the air. Aurum Prodest sets vertical throw, sizes glass and traffic, and boxes the pipes.
A mall atrium and hotel lobby are glass, height and people. A column delivers air without a duct network when the ceiling is trusses or glass. Throw is set so reception and escalators are not in the jet.
A mall atrium and hotel lobby are glass, height and people. A column delivers air without a duct network when the ceiling is trusses or glass. Throw is set so reception and escalators are not in the jet.
Several columns around the perimeter are often more honest than one giant: less draught and a spare while one is serviced. Long pipes, proper vacuum and charge.
The cabinet is visible. We agree colour, plinth and pipe boxes. We promise it will not be a random white fridge in the lobby — not invisibility.
Live lobbies at night with barriers. Full-load noise is checked. 5-year workmanship. Very large volumes may need a central AHU or VRF — we say when columns are not enough.
Filters are easier than ducted — a plus with street dust. Service more often than offices because the cabinet sits in the traffic path.
Column units are about throw, hall noise, and peak load. Pros/cons of the classes we install most.
A brief comparison by class and use case — we match equipment to budget and site
Swipe the table sideways →
| Brand | Class | Pros | Cons |
|---|---|---|---|
| | Premium | Stable capacity and long-term service | Higher price per kW |
| | Premium | Quiet premium feel in public spaces | Quote well above mid |
| | Premium | Strong airflow and duty under heavy use | Costlier than mass mid models |
| | Mid-range | Features + competitive price for halls | Noise/life behind Japanese premium |
| | Mid-range | Flexible mid for retail and lobbies | Less “benchmark” durability |
| | Best value | Capacity without a brand premium | Less quietness and service depth |
| | Best value | Practical for typical halls/warehouses | Fewer comfort extras |
| Ceilings | high, large air volume |
|---|---|
| Duct network | not required |
| Throw | louvres set at start-up |
| Design | plinth, colour, boxes |
| Service | column filter access |
| Work warranty | 5 years |
Height, volume, little ceiling space. A wall unit will not mix an atrium.
Ducted or central AHU. A column is power without a ceiling network.
From the calc, not “two for symmetry”. Three on the perimeter can beat two in the middle.
Heat-pump models yes, within rating. Deep cold may need extra heat.
At full speed like any large machine. We set peak vs night modes.
After pipes, often 1–2 days to set and start a typical lobby. Pipes take longer.
Column air conditioners — 12 cities. Crew dispatch, contract, warranty.
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