Honeycomb blinds, also known as cellular blinds, are a highly energy - efficient window treatment. Their unique selling point is the distinct cellular design. Each cell in the honeycomb structure traps air, creating an insulating barrier. This barrier is key to regulating indoor temperatures. In winter, it helps keep the heat inside, reducing the need for excessive heating. In summer, it blocks the heat from the outside, lessening the reliance on air - conditioning. Over time, this can lead to significant energy savings.