Below roughly 80 tons of cooling, the choice of system is fairly open. Above that — and a mid-size Caribbean resort clears it several times over — the options narrow quickly, and chilled water becomes the reference solution for one structural reason: it separates the machine from the room.

The refrigeration cycle stays in a central plant. What reaches the guest room is water, moving through a fan coil unit inside the ceiling. No refrigerant in occupied spaces, no dozens of condensers scattered across roofs and terraces, and a plant that can be serviced without entering a single guest room.

That architecture is why hotels keep specifying it. It is also why the purchase is harder than it looks: a chilled water system is not a product, it is a chain. Chiller, pumps, hydronic distribution, fan coil units, valves, controls and integration with the building management system. Break one link on an island 1,500 kilometres from the factory and the whole schedule waits.

Where PST fits

Panama Smart Traders is a certified LG Business Solutions channel and the No. 1 LG HVAC distributor in the Caribbean measured by regional sales volume, with specific inventory depth in chilled-water equipment: LG chillers and LG fan coil units, the two ends of the same system.

That combination is the point. Buying the plant from one channel and the terminals from another is where most chilled-water projects lose time — two lead times, two warranty paths, two technical contacts, and a grey zone between them when something does not match. A single channel holding both removes that seam.

Chilled water is the specialisation, not the whole catalogue. A resort is never one system: the guest towers run on chilled water, the back of house and the staff building run on VRF, the offices and restaurants on light commercial splits and cassettes, and the laundry, gym or standalone annex on single package units. PST carries the four families — LG chillers and fan coil units, LG Multi V VRF, LG light commercial, and single package units — so the whole property comes from one channel instead of four, with one technical contact and one warranty path across all of it.

PST operates from Panama, which is a deliberate choice rather than an accident of geography. The Colón Free Zone is the largest free port in the Americas, built specifically to re-export merchandise across Latin America and the Caribbean (Colón Free Trade Zone), and the Port of Colón is the region's largest container hub (Ballast Markets).

Consolidated services run weekly out of Panama with transit times of around four days to the most common Caribbean markets (Fulter), and Panama routings are the shortest for the western and southern Caribbean (Interworld Freight). The difference between equipment that must cross an ocean and equipment already in the region is usually the difference between a delay a schedule can absorb and one it cannot. In the markets where a project needs hands on site, PST works with established local partners for installation support and after-sales service.

What we actually hold in stock

Chilled-water equipment is the specialisation, and the inventory reflects it on both ends of the system — plus the secondary systems a resort always needs alongside the central plant.

• LG chillers — air-cooled inverter scroll and screw, plus water-cooled screw and centrifugal for larger plants (LG chiller solutions).
• LG fan coil units — 4-way cassette and ceiling concealed duct in low and middle static pressure, from 1.3 to 14 kW, covering 5 to 44 CMM of airflow (LG FCU product introduction).
• Controls — wired and wireless controllers including the hotel-specific version, plus AC Ez, AC Ez Touch, AC Smart 5 and ACP 5 central controllers, reaching 128 indoor units and integrating chiller control through an option kit.
• LG Multi V VRF — for back of house, staff accommodation, administration buildings and phased annexes, where a central plant would be over-engineering.
• LG light commercial — high-wall, cassette and ducted splits for offices, restaurants, retail units, gyms and boutique properties.
• Single package units — for laundries, kitchens, technical rooms and standalone buildings that need a self-contained machine rather than a system.
• Genuine LG spare parts — boards, motors, sensors and valves, which over a 20-to-30-year system life are what the owner really buys.

How to evaluate us, and anyone else

Three questions separate a distributor from an order-taker. Where does the lead time start counting from, the factory or the region? Which spare parts are in stock right now, by part number? And who answers a disputed warranty case in month fourteen, through what channel to LG?

We wrote the long version of that evaluation, including the criteria that favour our competitors, in How to Choose an HVAC Distributor for a Caribbean Project.