the replacement market is bad enough as the physical dimensions are getting bigger and the space remains old school.
I don't get it, seems like so much trouble...why not use solar collectors to preheat the water before it goes into the water heater? That's just extra pipe and no moving parts.
What is the average life of a water heater in your area? In mine it is roughly ten years.
So you get an extra $120 upfront cost, but then you can save $143 spread out over ten years. Am I reading that correctly?
That works out to a $23 savings over 10 years, or a whopping $2.30 a year! Who cares! Even if I am reading that wrong and it is an actual $143 savings, spread out over 10 years that is still only $14.30 a year.
Why don't people ever factor in maintenance when they think about this stuff? I've installed a few heat pump water heaters (all of them customer supplied), and when they fail they will be a lot more expensive to repair then a basic electric water heater. There goes that $23 (or $143) you saved.
I just don't understand everyone trying to jump on this bandwagon.
Do you drain and flush it out every few months? If so, 15 years. If not 7-10 years max. This is truly a case of preventative maintenance works.
2014-2015 EPA standards will require all tank type water heaters, gas or electric to be 89% plus efficient. This will raise the cost of the heater substantially. The feds are trying to make tankless more appealing. The average 40 gallon gas water heater will cost upwards of 900$ wholesale. The first gas models are already being tested and have fans and require 110v outlets. I was told this may not continue, but for now this is how the manufacturers are meeting the new req's.