Features of an Electric Tankless Water Heater
Travis and Joe go over the what and why of the Tempra 29 tankless water heater from Stiebel Eltron.
Sponsored by Stiebel Eltron
One of the high-performance details of the FHB House this year is the electric tankless water heater we’re installing. In particular, we’re using the Tempra 29 from Stiebel Eltron. In this video, we’ll go over some of the features and advantages of choosing this product.
This tankless water heater provides on-demand hot water so, instead of having a big unit that stores water and keeps it hot at all times, the water comes in and goes out through this smaller unit only heating what is passing through. At about 20 inches square, it fits via a wall mount into any mechanical room, large or small. You just need to put in a couple of keyhole mounts at the top, and then secure it down low for a quick, easy installation.
It’s important to size the panel load according to what you’re going to use per the appliance. So, if Stiebel Eltron says, “Hey, you’ve got four occupants, so you need the Tempera 29,” you need to be asking, “What does that require for electrical load? It’s three different circuits, so I need at least the 200-amp panel that we’ve got for it.”
Because the Tempra 29 is an electric appliance, there is no flue gas. That means we don’t have to worry about a carbon monoxide risk; nor do we have to cut out another hole in the roof or sidewall to exhaust flue gas.
The self-modulation energy technology is another great feature of this unit. As the water comes through the inlet it’s monitored so the microprocessor makes all the adjustments for the heat exchanger. An example of what this process means is that the water would be 50°F in the wintertime and 60°F in the summer, yet the client would never know the difference. The advanced flow control allows the unit to have two showers going at once, or maybe a shower and a dishwasher, and the client experience is seamless.
And with the push toward solar, an all-electric unit makes a great choice for both homeowners and contractors.
To size the system according to occupant load—the number of people living in the space and how they use the water—visit stiebeleltron.com.
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I'm considering an upgrade to an Eltron but am worried about hard water in Arizona. I don't have room for a water softener and heard that these machines are really sensitive to build-up (even twice annual cleanouts don't help). What would you recommend?