Poor heating performance in single-duct pressure-independent terminal units is a much more pervasive problem than we would like to admit. Heating problems tend to present themselves during the winter ...

An HVAC pressure sensor is particularly important in the cooling cycle—which includes compression, condensation, expansion, and evaporation—where it helps regulate refrigerant flow. Proper airflow ...

Chinese and Spanish researchers have developed a multi-source heat pump system combining air, water, and ground heat sources ...