Ef is determined by the department of energy s test method outlined in the 10 cfr parts 200 to 499 edition revised as of january 1 2014.
Tankless natural gas water heater ef 82 or higher.
That means that 58 60 of the energy that is being used to heat your water is effectively converted into heat.
More than 45 energy star models available.
Any idea if these exist or tankless is the only option in this efficiency range.
This natural gas tankless water heater has a 95 thermal efficiency and is intended for residential and commercial use.
I am in the market for a new water heater and this would sweeten the deal but i don t see any such products in big box stores.
Enbridge has a 500 rebate for 0 80 ef or higher tanked natural gas or propane water heaters.
Many are eligible for state and local rebate programs making them an even better choice.
Best seller rheem performance platinum 9 5 gpm natural gas high efficiency indoor tankless water heater model ecoh200dvln 2 view the performance platinum tankless gas water heater.
April 13 2020 tankless gas water heaters last longer than tanked heaters provide on demand hot water whenever you want it for as long as you want it and will save you a nice chunk of change every month.
According to energystar if a gas tankless water heater with a 0 82 energy factor were installed it would consume 183 therms per year.
The higher the ef value is the more efficient the water heater.
Review of propane natural gas hot water heaters 2020 last updated on.
Rheem manufacturing ranks as the global leader in the manufacture of high quality sustainable and innovative water heaters tankless water heaters air conditioners furnaces pool heaters and hvac systems for residential and commercial applications and is a full member of ahri the air conditioning heating refrigeration institute.
3 best tankless gas water heater.
Rinnai value series outdoor 5 6 gpm residential 120 000 btu natural gas tankless water heater model v53den 555 60 555 60 unit.
Business owners will love it for its energy saving technology and the heat at up to 185 f.
Qualified natural gas tankless water heaters with 0 82 or higher energy factor qualified natural gas tankless water heaters with 0 82 or higher energy factor company trade name model e f.
Ok i have a gas water heater are we done yet.
Smith water products co.
Let s think about three basic options to keep it simple.
It is compact 10 x 18 5 x 26 in but pretty heavy weighing 82 pounds.
For a typical gas tank water heater oh this would represent a savings each year of roughly 30 or 78 therms.
Like our aerotherm heat pump water heater our infiniti k series tankless water heaters and our ef series gas water heaters and more all designed to save energy and money.