I installed on a old window and since then the temperature of the room is much better. The problem is that , obviously the airflow is gone and you will need to find another way for room ventilation
Verified purchase: Yes | Condition: New
Best option for winter cold days
Verified purchase: Yes | Condition: New
This product requires a lot of practice for an effective and presentable application and I am not convinced it is effective in improving the the room temperatures.
Verified purchase: Yes | Condition: New
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