Gottfried Green
A Tankless Job
Short of using solar hot water heaters, the option of tankless hot water is a good compromise. A good analogy came from Dwell's recent green issue, "we don't keep a kettle boiling on the stove all day for the moment when we want tea, so why do we keep water heated around the clock when all we need it for is a shower..." That makes sense. Our house is also only going to have one bathroom so this too will allow us some options in types of systems we purchase. Bosch has a good site that explains some comparisons with usage and other advantages. Through the end of the year a $300 tax credit is offered.Here is more general information I received in a Global Green newsletter. "Tankless water heaters have either an electric, gas, or propane heating device that is activated by the flow of water. Once activated, the heater provides a constant supply of hot water distributed at the same temperature and flow rate. The maximum flow rate is determined by the type of heater being used and at what temperature the device has been set to heat the water.
Indoor and outdoor models are available. On the low end, they will deliver between .6 - 4.2 gallons per minute. High end heaters deliver between 7.4 and 9.6 gallons per minute. If your household demand is high, several heaters can be run parallel for a constant flow. When choosing a tankless heater, it is a good idea to analyze your water usages. Tankless heaters work best with low- flow faucets and shower heads. Tankless systems also work best in houses with short hot water distribution lines. Smaller capacity heaters can be installed for appliances that use large amounts of hot water. They are also well suited as boosters for solar water heating systems."
Labels: appliances, Energy, water
posted by Mrs Gottfried at 10:24 AM
6
Our local gas company offers a program where they pay a contractor to install a Rinnai R85e natural gas-powered tankless water heater. You pay a little per month, something like $30, to pay off the heater over 5 years -- while the gas company owns it (so if it breaks...)
We've got everything set up for the tankless heater to be installed, now we just need to get some trim installed, paint, and call back out the contractors!
I'm glad to see you're considering a graywater system. That's a great way to save water -- a precious resource in this state!
i'll look in to see if the county offers anything like that... where are you located in FL again?
Jacksonville, FL. Our gas company is TECO-Peoples.
Have you been keeping up with that fiasco-in-process Dream Home Diaries blog on the NYT?
yes, i can't stay away- i can't be too hard them because i made my share of stupid mistakes BUT with a budget of 650k they could have had a super designed amazing green house that would have been worthy of the traffic they receive.
I've been calling them out on their green pandering. The authors really annoy me, but I can only hope that constant harassment will drive them to at least think about the impact of their massive, $1 million "cottage".
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