CSTHEATEXCHANGER supplies custom glycol air cooler refrigeration equipment for highly corrosive environment, anti‑corrosion air coolers for coastal & chemical industrial cooling projects.

We recently finished packing and dispatched 5 tons rooftop unit for a client project in New Zealand. This packaged rooftop air conditioner will be used for space cooling and ventilation of a local commercial building.For New Zealand’s variable climate condition, the 5‑ton rooftop HVAC unit is built

Full fresh‑air rooftop unit integrates cooling and 100% outdoor fresh air intake. Pre‑assembled packaged rooftop HVAC for workshops, warehouses and public commercial buildings.

VRS63 tube and fin radiator for TIG / MIG welding machines, air‑water heat exchanger for welder water cooling, batch delivery for USA welding equipment OEM customers.

Custom SUS 316L finned tube radiator for flue gas heat recovery, air heating and cooling. Reliable stainless steel finned tube heat exchanger for corrosive working conditions.