do chemex glass coffee covers keep coffee warm

Do Chemex Glass Coffee Covers Keep Coffee Warm?

The Chemex brand is known for its elegant and classic glass coffee makers, and many people appreciate the aesthetic of this beautiful porcelain and glass coffee maker. But can the optional glass covers offered by the Chemex Company actually keep your coffee warm?

How Does It Work?

The optional glass covers offered by Chemex help a few different ways when it comes to keeping your coffee warm. First, the glass cover will help trap the heat from the freshly brewed hot coffee and prevent it from escaping into the air. They also help to reduce evaporation, allowing more of the coffee in the carafe to remain liquid.


  • Heat Preservation: The glass cover does a great job of trapping the heat from your coffee, enabling you to enjoy a warmer cup for longer than you would without the cover.
  • Ease of Cleaning: An extra layer of protection means that you don’t need to worry as much as you would without a cover in place.
  • Aesthetic Appeal: The Chemex glass covers look just as beautiful as the Chemex makers themselves and are a great way to maintain the sleek look and feel of your coffee maker.


  • Unevenness of Temperature: Although the glass cover helps keep your coffee warmer, that additional layer of heat can make the outer portion of the carafe hotter than the inner portion.
  • Expense: While some people find the additional cost of a Chemex glass cover to be worth it, others may not be able to justify the added expense.


The Chemex glass covers are an attractive and effective way to keep your coffee warm for an extended period of time. The covers provide heat preservation, easy cleaning and a beautiful aesthetic that brings the Chemex look to the next level. However, before buying a glass cover, you should consider the potential for uneven temperatures and examine your budget.

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