Are the fresh air system¢ral AC redundant/complement? Is necessary to install both?
Regarding the question of whether the fresh air system and central air conditioning(AC) are redundant or complementary, we will answer them separately: 1. Are they redundant or complementary? 2. Is it necessary to install the fresh air system and central air conditioning at the same time? 1.Different functions First of all, it can be determined […]
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