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Comparison of energy performance of ventilation systems using passive vs. active heat recovery

5 Hits, Last modified: 21 months ago

certification of such systems is a heat recovery efficiency of 75% at a maximum electricity demand of 0.45 Wh... than 10. The most efficient heat recovery units (efficiency approximately 90%, electricity demand 0.2 Wh/m³) ... ion of a school, [Peper 2007] measured a seasonal efficiency of 8.9 (30 BTU/(Wh)). Some manufacturers suggest... gs are equipped with a passive HRV system with an efficiency that is appropriate for the respective location (

Air volumes @planning:building_services:ventilation:basics

5 Hits, Last modified: 6 years ago

chart = "pressure/flow rate chart with equal fan efficiency areas" with the highest possible efficiency for average continuous operation). * The device must still be ... necessary for purge ventilation (not with maximum efficiency as the operation periods in the purge ventilation... . The device should have the highest possible fan efficiency for continuous operation.\\ \\ ==== More is bett

Types of ventilation @planning:building_services:ventilation:basics

1 Hits, Last modified: 19 months ago

inary new buildings. The issue here is not energy efficiency, but the health of the building's occupants; Indo