How much does this cost to the nearest dollar?

Excel Pro Tankless Whole House Gas Water Heater NATURAL GAS 24 liters/min CSA approved Compare to Rinnai, Rheem,Noritz, Bosch FREE FLUE KIT
This compact, yet powerful unit - with gas inputs up to BTU per hour - can meet all the hot-water needs of a small to medium American home or apartment. This CSA approved heater is designed to virtually do anything a tank-type water heater can do and much more The Wall mounted 24 LITER/MIN Excel Pro is design to work with hydronic baseboard or radiant floor heating applications, as well as provide domestic hot water to plumbing fixtures and appliances. LCD Display Control Just set the desired water temperature The Excel Pro has an energy factor of Excel Pro Modulating Technology Tankless water heaters can be further

Price is $499.00
Price: $499