Hints to Householders; Being a Handbook and Guide to the Selection of Country and Suburban Houses for Occupation and Investment (Paperback)

This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1907. Not illustrated. Excerpt: ... be carried up as nearly to the ceiling as possible. The sashes should be double hung, so as to open both at the top and bottom. Transom-headed windows, with the transom lights either bottom or centre hung to open inwardly, are preferable, as then the cold air entering the room is given an upward direction, and becomes mixed with the warm air of the apartment, thus obviating the inconvenience of the inrush of cold air and minimising the risk of draughts. Beyond that from the windows the ventilation obtained by means of the flues is generally considered sufficient. If, however, it is deemed expedient & have the rooms additionally ventilated, there are hundreds of different contrivances on the market of more or less value for the purpose, and the intending occupier should employ some respectable mechanic to obtain and fix the kind that he thinks will best serve the purpose of the particular case. It is impossible for me in the limited space at my disposal to go into the details of this subject. The Principles of Ventilation.--In choosing a ventilator of any kind or description the principles to bear in mind are, that the object of ventilating is to cause the vitiated atmosphere of a room or apartment to be entirely and continually changed, and fresh air substituted without causing draughts. Cold air is heavier than warm air, the vitiated air, r therefore, has a tendency to collect at the top of a room, being forced upwards by the entrance of cold and consequently denser air; any outlet for the vitiated air should, therefore, obviously be placed near the ceiling. Cold air should be introduced into a room in an upward direction, to enable it to become mixed with the interior air before descending to the floor, and the volume should be broken up and distributed by pla...