Wakulla Spring is one of the largest springs in the world, discharging an average of 260 million gallons of water per day. The spring pool is an impressive 315 feet in diameter, and the huge vent is about 82 feet wide, 50 feet high, and 185 feet deep.
Typical costs: Replacing an old oil-fired furnace with a new one typically costs $2,000-$5,000 for a simple installation of a basic model, but it can cost $6,000-$10,000 or more for a larger, more energy-efficient unit with a difficult installation, such as a complex floor plan or hard-to-reach ductwork.
1 A building/mechanical permit is usually required to replace a furnace. 2  Permit and inspection fees are typically about $50-$300, but can cost more in some locations.3  Many contractors include getting the proper permits and inspections as part of the installation process, but might bill for these fees separately. Replacing an old furnace with a high-efficiency new one can also require installing a chimney liner for about $300 -$700 for a gas furnace or $700 -$1,800 for a fuel oil model.