| OCR Text |
Show WARM AIR LEADS AS MOST POPULAR HEATING SYSTEM Which sysUm of home-heating is moit popular, la a question home-owner frequently powltr when trying to select equipment for their own houses. The answer la given by the Holland Institute of Thermology of Holland, Mich., which cltea results of a national survey on the subject recently re-cently completed. TtMn Investigation showed that 40.0 per cent of all American homes are heated by the warm air circulating system; 24 per cent by steam, hot water, vapor and vacuum systems; and the remaining 20.1 per cent by stoves and fireplaces. This Is taken as tin Index of public appreciation of the healthiness of warm air heat |
