Review Stiebel Eltron Tempra 12 Plus Electric Tankless Whole House Water Heater, 240 V, 12 kW

Stiebel Eltron Tempra 12 Plus Electric Tankless Whole House Water Heater, 240 V, 12 kW

Pressure Balancing Electric Tankless Water Heater for 1/2 Bath Home Features Unlimited Supply of Hot Water: Keeps heating water instantly as you require. The Tempra(tm) system completely replaces a conventional tank heater with no disruption to your comfort and hot water needs. Saves Energy and Reduces Your Electric Bill: Electric tank type water heaters are subject to stand-by losses which amount to 15 - 20% of the kWH used. Changing to a tankless system results in savings of 15 - 20%. Control Temperature Simply by Setting a Dial: Set the knob on the front cover and enjoy water temperatures between 86 degreeF (30 degreeC) and 125 degreeF (52 degreeC). Change the desired temperature at anytime. Advanced microprocessor technology ensures that the water temperature never deviates from the set point. Sleek Design Saves Space: The Tempra(tm) takes up considerably less space than conventional tank type water tanks and saves valuable living space. Proven Reliability: Stiebel Eltron has an en...

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Stiebel Eltron Tempra 12 Plus Electric Tankless Whole House Water Heater, 240 V, 12 kW Features

• Digital temperature control
• Proven reliability
• No venting required
• Sleek design fits anywhere
• Save at least 15-20% on the hot water portion of your electric bill

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Stiebel Eltron Tempra 12 Plus Electric Tankless Whole House Water Heater, 240 V, 12 kW

Customers say's :
German Engineering
After two months of use, I am very satisfied. This 12 KW unit supplies one kitchen sink plus one full bath (with shower) in the guest suite. There is never a problem with instant hot water, and you can take as long in the shower as you like. They make higher capacity units for the same enclosure in case you have multiple bathroom or laundry demands. It was a pleasure to get rid of that wasteful, ugly tank and use the space for alternate needs. In my case, I turned a utility room into a guest kitchenette. Keep in mind you will need to have room in your load center for the added power demand and install the required circuit breakers and wiring according to your local code. Stiebel Eltron specifies the manufacturer's requirements in their (pdf) installation instructions. The extra power demand will likely save power over a tank-type heater that has much more heat loss while idle. Even if you need to hire a qualified electrician, this is a pay-back improvement from tank type water...

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Stiebel Tankless Water Heater in Community Theater

We have a 100+ year old school building that has been using a 40 gal conventional hot water tank to heat water for our kitchen sink and some of the restroom sinks. When it failed, we considered replacing it with another tank type, but then decided to investigate a tankless system. This Stiebel 12 Plus unit was perfect for our application, since the restrooms and the kitchen sink are used only occasionally. Installation was straightforward, the unit works perfectly and I'm sure it will save us money over the long term, since it's only using electricity when there's a demand for hot water, instead of keeping 40 gal of water hot all the time. We did a lot of research on various tankless units beforehand, including shopping the local plumbing supply and big box stores. This unit was by far the best value, and the initial cost was only slightly higher than another conventional tank-type unit. The unit came from Amazon in only a few days with no shipping charge, and only weighs 13 lbs.

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Fine for Small Use Area
I installed this in my office space. It runs the bathroom sink and the shower in that building. It's able to get the water up to temperature without issues, and performs reasonably well with respect to water flow. Water flow in the shower is definitely diminished, so I suggest you replace your shower head with something that is between 1.25GPM and 1.5GPM and not exceed that. Also, don't expect to turn on the sink and the shower at the same time.

All that said, you really need to consider your application when you size these. There are two important factors. First, the ambient temperature of your water. If you're getting your water fed from a glacier, this will impede the units ability to heat fast enough. Second, if you're expecting to run anything that's going to exceed it's rated GPM at ambient water temperature X(see manufacturers chart) then you need a bigger unit. It's that simple. Larger sized units are not significantly more expensive, but they obviously draw a lot...

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