The time may have come for you to think about furnace replacement in Jefferson, MD. Perhaps your furnace has reached the 15- or 20-year mark and it’s malfunctioning. You’ve noticed that it’s short cycling or cycling for an unusually long time. You may be dissatisfied with how it’s heating some rooms better than others. Perhaps the abnormally high energy bills have alerted you to the fact that you need a new system. Whatever the case may be, you’ll want a professional to handle your next heating installation at Markool Heating & Cooling.