Dose anyone have guidelines for water heater EF based on age and steady state efficiency. How does EF compare to AFUE?
Andy
Water Heater Energy Factor
Dec 28, 2007
2 Replies
Look at tankless Bosch, takagi and Rinnai EF is near AFUE and does not go down much with age, I would guess with tank 1-2% reduction a year, It depends on use and how hard your water is. Takagi makes a condensing tankless.
Join the Discussion
Have something to add? Share your thoughts — no account required.
Didn't find your answer?
Ask the community — no account required