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.
On-demand systems quickly heat water as it drawn, eliminating the need for a storage tank. Both electric and gas tankless systems come with a higher price tag than heaters with storage tanks and generally cost an average of $657 to install.