Hi Kingsley, thank you for leaving your feedback for your Ratio Eight Series 2 Glass Carafe! Our glass carafes are intended for quick service in the morning, but we offer the Eight Series 2 Thermal Carafe as a great option to take heat retention to the next level. If you have any questions about optimizing heat retention for your morning brew, please email our Customer Experience Team at hello@ratiocoffee.com.
