Our Elite® Series Oil Furnaces Provide Warmth and Reliability to Your Home Our team at Langford Cooling is available to answer any of your oil furnace replacement questions. We can even make a trip to your home if it’s in the Tampa Bay area to help you determine the best oil furnace for your needs. Call us at 813-418-7884 or schedule an appointment online to get started. Don’t forget to keep Langford Cooling in mind for your furnace repair and maintenance needs, as well. * Annual Fuel Utilization Efficiency (AFUE) measures how efficient the appliance is in converting its fuel’s energy into heat over the course of a year.