roughly 2 times bigger. costa rica: 51,000 square kilometers. kentucky: 104,000 square kilometers. roughly 2 times bigger. costa rica: 51,000 square kilometers.
Whole house water heaters are installed in a single location and supply the hot water for all fixtures and appliances in the home. Both tankless and tank-type water heaters can serve as whole-house systems, costing an average of $679 to install.
A central, whole-house, gas tankless water heater can cost $800-$3,000 or more, without installation. Because tankless systems typically require the addition of a 220V/240V outlet and/or larger-diameter gas pipes than found in an average home, installation can bring the total cost to $1,800-$5,000 or more.