Having a furnace in top working condition is a necessity during cold weather, especially in Philadelphia where winter can get extreme. A heating system may malfunction at any time, requiring significant repairs or possibly, a replacement. Now would be a good time to have your furnace checked, to ensure it is in top condition when the cold weather sets in. A malfunctioning furnace during winter will likely require emergency repairs, which could be quite expensive.
Of course, you don’t need to be told twice that furnace repair must be done by professionals. This is not a DIY project; heating systems are usually powered through electricity or gas, both of which can cause significant injury with improper handling. Likewise, an amateur may only worsen the extent of the damage.