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 good number of you installed tankless water heaters instead of the standard variety. And here's the break down on what you spent: 1  $1570 for a Noritz (including new gas line and installation) 2  $1800 for a Rinnai (including installation)  $2200 for a Rheem (including installation)