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Abstract

The possible energy saving when using roller shutters, interfering convective layers and reflective layers on the parapet and on the back side of radiators is investigated. The occupants' acceptance of and their attitude towards the use of roller shutters are reported. The U value measurements show a possible reduction of the heat losses up to 50 % when two layered shutters and reflective materials are used. A reflective layer on both sides appears to be the most effective to reduce the heat losses. A cost benefits balance shows that for single glass and a normal rolling shutter a Pay Back Period of four years can be expected. For the other combinations possible investments are calculated. Obstruction of the convection along the window does not save energy. The Pay Back Period for reflective layers on the parapet or on the back side of the radiator is less than four years. This research has been supported financially by the European Committee and the Dutch Ministry of Housing and Physical Planning.

Additional information

Authors: DUBBELD M TNO, RESEARCH INSTITUTE FOR ENVIRONMENTAL HYGIENE, DELFT (THE NETHERLANDS), TNO, RESEARCH INSTITUTE FOR ENVIRONMENTAL HYGIENE, DELFT (THE NETHERLANDS)
Bibliographic Reference: EUR 9225 EN (1984) MF, 355 P., BFR 480, BLOW-UP COPY BFR 1775, EUROFFICE, LUXEMBOURG, POB 1003
Availability: Can be ordered online
Record Number: 1989123015800 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en
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