Show t I Heating Hints If you have your furnace served once a year ear preferably in the early fall it will run more an and you may sa save vc about 10 per cent in fuel consumption Between these annual inspections you rou should Keep the filters tilters clean check them periodically Mineral wool glass fiber or cellulose insulation installed in your our attic atti to a n depth of six inches or more will cut heating heating heating heat heat- ing costs costs casts considerably If you do it yourself though remember remember ber to wear gloves a mask and protective clothing |