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.
(propane powered tankless system and removal of the old system) Low: $500 - $600. (small electric tankless water heater) High: $3,100 - $4,000. (solar system, removal and rework of existing plumbing) Cost to install a tankless water heater varies greatly by region (and even by zip code).