High summer temperatures often lead to sweltering workshops, dust accumulation, low staff efficiency and equipment overheating failures. Compared with high-energy central air conditioning and ineffective ordinary fans, evaporative air coolers have become the mainstream industrial cooling solution for their low power consumption, fresh air exchange and low maintenance cost. Based on the 2026 industry situation, this article recommends multiple trustworthy original manufacturers of evaporative air coolers, summarizes core advantages, selection rules and procurement pitfalls, offering practical references for enterprises’ workshop cooling renovation and purchasing.