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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Energy Savings Simple Vacuum Ventilation with End to the Exterior Before the Heat Pump Suction – a Case Study
 Cakl, Dominik ; Nespěšný, Ondřej ; Vystrčil, Jan
The ever-increasing demands on the airtightness of building envelope require regular ventilation of the windows for hygienic requirements, or with regard to user comfort an air handling unit that allows heat recovery. Air handling units with air recovery have high acquisition costs, especially if they include a heat pump. The ever-increasing demands on the use of primary energy from non-renewable sources mean that there is heat pump technology in the building. An economically advantageous alternative can be simple vacuum ventilation of the house, where the exhaust air from the interior is discharged directly before the suction of heat pump. Due to the better operating conditions (warmer and wetter exhaust air) the heat pump can usually achieve higher seasonal heating factors.
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