GASLAND Gasmart E Indoor Residential Natural Gas Tankless Water Heater

This natural gas water heater provides efficient heating with a 25-degree temperature rise and outputs between 98,000 to 199,000 BTU per hour. It is compact, efficient, and suitable for homes and small businesses.

• The description claims the water heater is 34% more efficient than standard 50-gallon tanks.
• The description claims it reduces NOx emissions by 65%.
• The description claims it ensures stable, real-time temperature control.