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.
Tankless water heater furnace.
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 tankless water heaters are less expensive to operate but they typically require venting outdoor models are the notable exception.
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.
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.
Noritz has been an innovator in the water heating industry for over 60 years.
Rinnai s ultra line of water heaters are rated at up to 96.
Water heating for the future.
There are two basic types of tankless water heaters.
Gas including both natural gas and propane lp and electric which comes in both whole home and point of use configurations.