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 Replacing an oil-fired furnace in a central heating system starts typically costs $2,000-$5,000 for a basic installation, but can reach $6,000-$10,000 or more for complex installations. 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.