Show old beatin heating g S systems are arb easily modernized while the fundamental principles of radiator heating have not changed in the last ton ten years there have been devised many improvements which mily be utilized hy by the home owner to mod cranze a heating system which may inay have been installed a decade or two ago the circulator clr cir culaton in an old hot water heating heading system may be speeded up by the attachment of an electric pump to the main riser line stimulation of the circulation of the lot hot water in tills this manner will not only result in more heat for the remote radiators hut but will also result in considerable fuel economy bot water systems installed years ago were all equipped with expansion tanks which were usually placed in attics now that space Is becoming more inore valuable many attics are being converted into rooms any homkow home owner n who may wish to get rid of an un sightly expansion tank la in his attic may dispose of the tank and substitute an expansion device in the basement abis this 13 a not a tank I 1 ant lit a sn small all con con triva rl vanco ince that IF IB so adjusted as to relieve pressures one pipe steam heating systems may be successfully converted into partial vacuum systems by the attachment of special or air valves to the radiators and the use of another type of special air valve attached to io 19 the piping ln la the basement many highly perfected devices are on the market for the thermostatic thermostat lc control of the drafts and checks some may be attached to the boiler others other are so called room temperature con and they will open and shut drafts na as the temperature in the rooms rises or falls some may be obtained equipped with clocks which will auto mati cally cause the drafts to go on 4 in n the morning a at any time that Is deel sired red old heating systems maybe may be dressed up and beautified in the basement as well HB as in the rooms above while a boiler very seldom has to be discarded because it la is worn wom outi out a home owner V who chois Is converting hla his basement ent into usable space may wish to put in it a I 1 modern square boiler with a colorful insulated jacket similarly while radiators will list last the life of any house many improvements have been made in radiator design in the last three years and some i home owners have replaced the older heavier radiators with the modern thin tube type of classic design long low radiators may be used to replace high ones and tills this change will make a remar remarkable kahle improvement in the appearance pe arance of a room especially if there Is window space that lends itself well to long radiators another type of radiator can be installed in connection with a metal window frame and Is recessed in the window partial concealment of the radiator Is obtained as well as a considerable saving of space or if the alie home owner wishes to go 90 in for more extensive remodeling lie he may buy bay concealed radiators made of copper brass or aluminum which are so small that they will go into the wall and rhushe thus he entirely out of the way still other people prefer to keep beep the older radiators and cover them with one of the various attractive radiator covers which are now on the market usually such radIn radiator tor coveri covers vary in efficiency in accordance with the freedom with which they allow the air to circulate around the radiator many are equipped with humidifying devices device |