Stiebel Eltron Tempra 24 Plus Comprehensive Review

Stiebel Eltron Tempra 24 Plus Electric Tankless Whole House Water Heater, 240 V, 24 kW

Stiebel Eltron Tempra 24 Plus Electric Tankless Whole House Water Heater

  • 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

The Stiebel Eltron Tempra 24 Plus is a relatively new hot water heater that has been completely redesigned by the good folks down at Stiebel Eltron for a greater user experience. It comes with quite a few nifty features such as the digital temperature control and Advanced Flow Rate control, but it has trouble setting itself apart from it’s competitors.

The Tempra 24 is an electric whole-house water heater with a max GPM rate of 4.0. This sets it at about the middle of the pack in terms of flow rate and roughly giving you the power to provide two fixtures with hot water at once. It has Advanced Flow Control that is made to ensure a constant temperature output even if you are running multiple fixtures at once. It has a voltage of 240 and an amperage of 2 x 50.

The Advanced Flow Control is quite useful and seems to do it’s job well. The hot water that is outputted is at a very precise temperature and maintains that temperature throughout. The heater also comes with a digital temperature control that lets you set the temperature at whatever you desire, up to 140 degree Fahrenheit.

The Tempra 24 Plus’s design is high-quality and it looks to be very well-made.

stiebel eltron tempra

Review

Stiebel Eltron claims that the Tempra Plus is “the most technologically advanced tankless water heater available on the market today”. I’m not sure if that’s true, or even what that really means, but they do seem to have put a lot of time and care into the redesign.

Users around the internet seem to enjoy this water heater and praise it for getting the job done – there aren’t any super fancy features that set it apart but there doesn’t really need to be for a good tankless water heater.

The Tempra 24 Plus gets high marks on accurate water temperature output and water flow. The Advanced Flow Control looks to be as good as advertised, nearly all users say their hot water was the proper temperature and that the temperature stayed consistent throughout the usage.

Some of the main drawbacks that come with this model seem to be involving the installation, especially the electrical installation. This little heater is a beast that needs a lot of power to get working, so remember that before purchasing. If you have an older house, especially, your electrical panel may be ill-equipped to output the energy necessary to power the Tempra 24, which requires two 60-amp circuits. New panels can sometimes be quite expensive, so make sure to look into what you currently have before making a purchase. Most users are reporting panel work will cost around $500, but of course that can vary wildly based on your set-up.

Once you get all these prerequisities into place though, you are set up for an enjoyable experience. The Tempra 24 Plus outputs unlimited hot water and at a precise temperature that rarely varies.

The Tempra 24 can easily handle 2 fixtures at once, such as running a dishwasher while also taking a shower. Any more than 2 may be pushing it, but you will just see a lighter water flow if you turn too many things on at once.

Pros
  • 3 Year Warranty
  • Precise Temperature Control
  • Good Water Flow
  • 99% Energy Efficiency
Cons
  • Additional Electrical Work May Be Needed
  • Slightly More Expensive Than Other Models
 Conclusion

The Tempra 24 Plus is a well-thought out, well0built tankless water heater that will satisfy all your needs, but may not give you anything special in return. The Advanced Flow Control is really nice and virtually guarantees your water stays flowing smoothly and at the precise temperature you set it to. The price is more expensive than other heaters, but you do get a quality crafted piece of machinery in return.

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Rating: 4 out of 5 stars

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William Fisher

William Fisher is an independent contractor from Austin, Texas as well as the editor and main contributor to TanklessHeat.org. He has over 30+ years experience in the general contracting field. Check him out on Google +.
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