Here is the key information for the supplier regarding the procurement “Heat recovery system installation works”: # Object of Procurement * What is being purchased: Installation works of centralized supply and exhaust air ventilation systems with heat recovery (recuperation systems). * Key technical requirements: * System capacity: up to 5000 m³/h. * Heat exchanger: rotary or plate counter-flow (efficiency not less than 80%). * Noise level: must not exceed 35 dB(A) in the assembly hall…
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