In the purchase of thermal insulation aluminum doors and windows, common misunderstandings include the following aspects:

1. Only pay attention to the thickness of aluminum: Many consumers believe that the thicker the aluminum, the better. In fact, the thickness of aluminum is only one aspect. The overall performance of thermal insulation aluminum doors and windows also depends on the quality of the insulation strips, the quality of hardware accessories, processing technology and sealing performance.

2. Superstitious brand: Although well-known brands usually have a certain quality guarantee, not all products of big brands are suitable for your needs and budget. Some small brands or manufacturers may also provide products with high cost performance and reliable quality.

3. Ignore hardware accessories: Hardware accessories are crucial to the use experience and life of doors and windows. However, some consumers only pay attention to the door and window frames when purchasing, ignoring the quality and performance of hardware accessories.

4. Think that high prices must be good: High prices do not necessarily mean that the performance and quality of the product must be excellent. Some high-priced products may have brand premiums, while some moderately priced products may also meet the needs in terms of performance and quality.

5. Not paying attention to installation: High-quality doors and windows require professional and standardized installation to perform at their best. However, some consumers only focus on the product itself when purchasing, but ignore the quality of installation services.

6. Excessive pursuit of appearance: only pay attention to the appearance style of thermal insulation aluminum doors and windows, but ignore its core performance indicators, such as thermal insulation, sound insulation, airtightness and watertightness.

7. Not understanding glass configuration: Glass plays an important role in the thermal insulation and sound insulation of doors and windows. Consumers may ignore the type, thickness and hollow layer treatment of glass.

Some consumers bought high-priced thermal insulation aluminum doors and windows, but their hardware accessories are easily damaged, resulting in unsmooth window opening and closing; some consumers, because of excessive attention to appearance, chose doors and windows with beautiful appearance but poor thermal insulation performance, which affected the comfort of the room.