The 199 900 btu natural gas tankless water heater is designed to supply continuous hot water for up to 3 bathrooms at the same time.
Tankless water heater furnace.
Rinnai tankless water heaters last up to twice as long have twice the warranty and save energy as they only heat water when it is needed.
So if gas costs 0 96 therm then a 96 tankless water heater or forced air furnace will cost about 1 00 per therm plus about 5 or 6 cents per therm for blower energy assuming ecm.
Plus you never have to worry about running out of hot water with a rinnai tankless water heater because it keeps heating as long as it is needed.
There are two basic types of tankless water heaters.
Btw at 10 cents a kwh a 15 seer single stage heat pump costs about 73 cents therm 10 x 29 3 4 cop.
Gas including both natural gas and propane lp and electric which comes in both whole home and point of use configurations.
Rinnai s ultra line of water heaters are rated at up to 96.
Water heating for the future.
Gas tankless water heaters are less expensive to operate but they typically require venting outdoor models are the notable exception.