Energy Saving and Carbon Reduction Effects of Integrated DAC in HVAC Systems Across Multiple Climate Zones

Energy Saving and Carbon Reduction Effects of Integrated DAC in HVAC Systems Across Multiple Climate Zones

Abstract This study explores the integration of Direct Air Capture (DAC) technology into building Heating, Ventilation, and Air Conditioning (HVAC) systems to reduce indoor carbon dioxide concentrations and enhance energy efficiency. The research team established a physics-based DAC model on the Modelica platform and integrated it into a typical Variable Air Volume (VAV) HVAC system … Read more

Compilation of Heat Pump Related Policies for August 2025

Compilation of Heat Pump Related Policies for August 2025

International In June 2025, the shipment volume of air-source heat pumps in the United States decreased by 16.0% Summary: The total shipment volume of central air conditioning and air-source heat pumps in the United States reached 840,769 units in June 2025. Compared to the shipment volume of 1,080,817 units in June 2024, there was an … Read more