Natural Gas Ready (Fuel conversion not permitted) Blue Flame Technology works by convicting heat to warm the air the same way as a central heating system 15, 000-30, 000 BTU's/hr. adjustable heat ...

Gas tankless water heaters use natural gas or propane to heat water ... but gas costs are expected to rise. Upfront Unit and Installation Costs $450–$1,500 for a unit suitable for a three ...