Stiebel Eltron Tankless Water Heater - Tempra 20 Trend – Electric, On Demand Hot Water, Eco, White TEMPRA 20 TREND – This specific model is 19.2kW, 240V/208V, requires a min. I am super happy with my purchase and company service. Have noticed a slight increase in electric bill but, it's worth it to not have to worry about running out of water! Conclusion – Stiebel Eltron Tempra 29 Plus. Our gas bill has probably decreased more than enough to offset the increase in hydro. See price: Stiebel Eltron 29 Plus Tempra, Tankless Water Heater White reviews 2020 2021. I highly recommend it, and the price was better than anything I could find anywhere else. Contractor's Assistant: Anything else you want the Electronics Expert to know before I connect you? Stiebel Eltron Tempra 29 Plus, Whole House, Tankless Electric Water Heater. The Tempra 29 Plus is Fantastic!After our third water tank flooding the playroom, we knew it was time to do something else. We got the Tempera 24 Plus. I just installed the Stiebel Eltron Tempra 29 Plus hot water heater and tested it at 110F degrees. If you are unsure of your electrical capacity in your home, please consult your electrician or contact us for assistance before ordering. This technology automatically adjusts the flow of water when the unit's sensors detect that the flow demand is exceeding the heater's capacity. Stiebel eltron Tempra 29 Plus Pdf User Manuals. This unit has been very efficient for our family and still operates as well now as it did the day we put it into use. - Dakota Brewery LLC. Installation was easy and the flow control on this unit makes all the difference. On top of that, it's fairly safe to say that Stiebel Eltron Tempra 24 Plus is a more popular water heater, based on its 100+ reviews. - Richard L, Tankless hotwater heaterOutstanding and allows us to use two or more hot water outlets at the same time. This product is outstanding; well-built and works as advertised. Please consult your electrician for more details. See sizing to determine which model is best for you. No temperature fluctuations at all. The Tempra Plus series uses dynamic advanced flow control technology, has two temperature preset buttons, a flow rate monitor, and an energy monitor showing cost savings. Highly professional, courteous, friendly, and full of relevant information. Simply stated, the Stiebel Eltron Tempra Plus Series electric tankless water heaters feature the most precise temperature control of any tankless water heater on the market today! I was impressed from the beginning of the transaction to the very end. "The Stiebel Eltron Tempra 29 Plus Tankless Water Heater features exclusive Advanced Flow Control German patented technology invented by Stiebel Eltron to automatically maintain water temperature for constant comfort. You can find this site but you can't google the manufacturer site. Great service and products. The savings I am making by preheating my domestic water with Solar Thermal collector panels is showing up as 8kwH/day and the Tempra 29PLUS kicks in when there has been no sun for several days. Amazon regularly adjusts their prices in order to give you the best price. Should mention a flushing system should be installed at the same time to get rid of calcium.. - G. Martin, So Far so good Im in CA and I replaced it in the summer, so far it was easy to install, and easy to work with, I will know if it is the perfect unit when winter comes and the inbound water is colder but so far so good. Would highly recommend this heater to anyone looking for a whole house instant heater. This allows the unit to automatically reduce the flow of water when the flow demand is exceeding the heater's capacity. This allows the unit to automatically reduce the flow of water when the flow demand is exceeding the heater's capacity. Your best option for purchasing online is through Amazon which has the most competitive prices. Ans- The burner starts when- 0.77 GPM /2.9 LPM minimum flow is achieved. E-Tankless was a great resource, responsive, and shipped the heater quickly. No fears. For dishwasher loads (and if there's a hot load of laundry) we always run the closest sink until we get hot water and then turn on the wash cycle. Three-year limited warranty for both domestic and commercial usage, It is ETL Listed (US & Canada) – which means it meets all applicable standards, as well as ANSI/UL 499 (USA) and CSA-E335-1/3E-94 (Canada). - David F, Very reliable performance We installed our Tempra 29 Plus in 2010 and the unit has worked flawlessly since we've owned it. The Tempra 29 Plus also features Stiebel Eltron's exclusive dynamic Advanced Flow Control technology. I was a little worried that it wouldn't have enough capacity for my family of 6 with 4 bathrooms. However, if you chose high temperature more electric consumption will occur. Style: Tempra 29 Plus (Discontinued Model) The Tempra Plus is the most technologically advanced tankless water heater available on the market today. Hard water treatment helps maintain performance and efficiency, ensures optimal water flow and pressure, and protects your heater from pre-mature failure due to mineral build-up inside the heating module and other components. Tempra Plus models feature Advanced Flow Control, patented in Germany and exclusive to Stiebel Eltron tankless heaters, that automatically maintains desired hot water temperature by slightly reducing flow when necessary. This feature is exclusive to Stiebel Eltron Tempra Plus Series tankless water heaters! Tempra® Plus models have convenient digital temperature control, offering a scale of 86°F (30°C) to shower temps of 107°F (42°C), up to 140°F (60°C) for commercial applications. This has a right side a wrong side; right side is- It reduces your electricity cost than the conventional heaters by not being at a function when idle, demerit is it makes you wait 5-7 seconds at the beginning for hot water. Tempra 29 Trend provides hot water at a constant temperature for up to 3 bathrooms in warm climates, or 2 or 3 bathrooms in cool climates. It has been well designed and constructed, but it needs to be adequately maintained, just like every tankless one. Q-How many GPM it offers? Very good quality - A Creation By Mario, Second one.Everything was find, this is our second one. The heating is very even in the shower and for washing dishes. Stiebel Eltron Tempra 29 Plus Tankless Water Heater. Also for: Tempra 15 b, Tempra 24 b, Tempra 29 b, Tempra 20 b, Tempra 36 b, Tempra 12 plus, Tempra 15 plus, Tempra 3-Phase Electric Tankless Water Heater Wiring. Highly recommended! The only difficulty in installation would be that most homes do not have two double-pole 50 amp circuit breakers. - J. Norton, Love my new water heater, light years ahead of my old Sets system. If you can install a re-circulation pump from the market which cost much less than a heater than such waiting period will evaporate. Intelligent self-modulating technology continually ensures the least amount of energy is used to heat the water. It needs 3 x 8 AWG copper wire. I have my temperature setting @ 111F. Many users claimed that they installed the unit themselves, however, if you’re uncertain at all, it’s best to seek a professional’s help. Completely satisfied! I wouldn’t hesitate to make a purchase. Stiebel Eltron Tempra 29 plus Electric Tankless Water Heater has smart microprocessor technology in a Tempra® allows you to set the knob and get that temperature every time a hot water faucet is opened. - Ken S, Exceeded my expectationsI installed the water heater in February in Saint Paul, MN. Two showers and a dishwasher all at the same time and everyone gets hot water - Ed G, Does what it was intended Provides unlimited hot water for the house. Stiebel Eltron has established itself as a well known brand in the tankless water heater space. Tempra 29 Plus Flow Rates 92F rise in water Temperature at 1.5GPM; 87F Rise at 2.25GPM; 66F Rise at 3GPM, 44F Rise at 4.5GPM; Temrpa 29 Plus Features TheTempra 29 Plus unit is desiged to work in cold areas where smaller units will not work. See sizing guide to determine which model is best for you. If you are living in freezing weather, it may take some more time to heat up but once the desired temperature is achieved it works flawlessly to keep it hot until the end. It's in the top 3 bestselling water heaters and has dozens of popular alternatives in the same price range, such as Stiebel Eltron Tempra Plus or Stiebel Eltron Tempra 24 Plus. So Stiebel Eltron Tempra 24 Plus, while being a cheaper option, tends to get more favorable ⭐ reviews than the $510 Rheem RTEX-24, as seen on the chart below. If you are a fan of German technology, you know how solicitous they are to make the advanced … Priced at a moderately expensive cost, this system … Other than some fixtures that are a long way away from the heater, the water is heated and arrives as the faucets very quickly. Works very well, puts out 140 deg water at 3.0 gal/min. - John S, Fantastic!The heater is extremely easy to install. It works well is efficient and the staff at E-Tankless were helpful and knowledgeable. - David Tishim, PerformanceWe have had our tankless heater for over 6 weeks and it has not failed to produce all the hot water (128 degrees). Stiebel Eltron Tempra 29 Plus is $201.36 more expensive than the average water heater ($235.88). It is cold enough to make your hands numb. The Stiebel Eltron Tempra 24 Plus is designed for anyone looking for a limitless supply of hot water from an electric tankless. 2. Ecosmart POU 3.5 Point of Use Electric Tankless... Rinnai RL75IN Tankless Water Heater, Large,... EcoSmart 8 KW Electric Tankless Water Heater, 8 KW... Ecosmart ECO 24 24 KW at 240-Volt Electric... Marey GA10LP Power 10L 3.1 GPM Propane Gas... Takagi T-H3-DV-N Condensing High Efficiency... EcoSmart ECO 11 Electric Tankless Water Heater,... EcoSmart ECO 27 Electric Tankless Water Heater, 27... Rinnai RU199iN Tankless Water Heaters, 11 GPM,... Rinkmo Electric Tankless Water Heater 18KW 240V... Works with both 208/240 volt standard electrical wiring. This heater comes in a sleek and compact body that can be installed in unconventional spots like cabinets and attics. If you enjoy long, hot showers, yet want your water heater to operate with efficiency, this unit is worth a closer look. Tempra 29 Plus Stiebel Eltron Tankless Water Heater 28.8 kW, 240V, 120 AMP - Tankless Water Heaters - Dane, Excellent heaterBought a Recon Tempra 36 plus Instant Hot water heater for the brewery. Tempra Plus 29 thermal breakers keep tripping, heater will not heat water. A little more expensive to install than a condensing natural gas tankless, but if you have space challenges and cannot get flues out through a wall then this E-tankless is a great way to go, especially with Solar Thermal Hot water preheating. We are never without hot water! - Tom M. Waters Hot and Lots of It I turn on the water and I get hot water. This German company has 12, 15, 20, 24, 29, and 36 plus these six versions of Tankless Water Heater under the series of Tempra, for different size of need. Approximate Install Cost: 1. Tried to reset the thermal cutout on the top and reset the breaker. I have ordered 7 so far (installed 5) and everyone loves them, especially me as it cuts down on my maintenance. Tempra Plus 29 kW is much better in that respect because it needs no venting. Limited Quantity of Factory Refurbished units available. When you are ready to purchase your tempra 29 plus, there are several options both online and in traditional retailers. It is is even easier to operate. I did not have room for 2 tanks so I decided to go tank less water heating. It does not give you hot water at the very beginning; you have to wait 10 seconds or more for the hot water. It is one of the only tankless water heaters on the market that features a true thermostatic temperature control and full power-modulation based on both the incoming water temperature and the water flow rate. I reviewed options when professional advise given to me was to go natural gas, but decided after careful study to go with the Tempra 29 PLUS. But according to the website, it is not needed. We have that on a process. Tempra Advanced Flow Control ™. So, you should check Amazon to see what their most recent deals are and to see if they are offering any specials on shipping. Works as expected. Self-modulating technology ensures the least amount of energy is used to heat the water. Before you go for Stiebel Eltron Tempra 29 plus or any other water heater you should consider hard water treatment. You can check Amazon to see the Stiebel Eltron Tempra 29 plus. It runs both showers for 30 plus min with no problem. If hot water demand exceeds working capacity, Advanced Flow Control automatically maintains consistent temperatures by slightly reducing flow. Spend the money, get the system. Like other Stiebel Eltron Tempra Plus units, the Tempra 12 Plus features dynamic Advanced Flow Control technology. It is an all-electric water heater so you can install it anywhere without being troubled about the air pollution and venting space requirement. Ans-Yes it does. I am very happy so far. There's little else to say. If the washer and dishwasher are going at the same time, the 3rd floor shower will decrease flow to a trickle without changing temperature. - Mircea Micula, Etankless Love it. When your water hardness exceeds 7 grains per gallon (GPG) or 120 mg/l (ppm), it is called hard water and requires special treatment. Ans- It needs 3 x 40 AMP breakers that are 3 unit of 40 amp breaker. We live in Indiana and it works perfectly. All of the Stiebel Eltron Tempra and Tempra plus series electric tankless water heaters are designed to use single phase power, but they can be wired with V 3-phase if your installation requires it. It is known for introducing some of the sleek and stylish designs of water heaters that tops in functionalities and features as well. Had they not told me, I would have not known. In the case of tankless water heaters, the temperature can vary as the flow rate varies. One of the reasons I converted is wasted energy on a tank, and now it seems the waste was just shifted to water use. Great improvement over a hot water heater. It is a standard issue with Tankless units. It is also desirable where high output temperatures are required for temperature critical applications (commercial dishwashers, etc.) Tempra 29 plus Electric Tankless Whole House Water Heater is ideal for a medium sized home with 2 to three bathroom. Advanced Flow Control is exclusive to the Tempra Plus and ensures a constant temperature output no matter how great the hot water demand is. Non-stop hot water. Copyright © 2021 — Smart Water Heater • All rights reserved. and where flow rates are not always predictable. You can't go wrong with this unit as we have had great success for the 1.5 years we have been using it. - Josh, Tankless Water HeaterProduct works great. The Stiebel Eltron Tempra 29 Plus electric tankless water heater is a powerful 28.8KW heater designed for whole house and commercial applications in cold climates where the incoming water temperature can drop below 40° F. It is also a popular choice for homes in warmer climates with high flow demands where multiple simultaneous hot water demands are required (up to 6 gallons per minute), or where fast fill … How many amps it needs? I have a 200 amp service so I had room for the necessary 3 separate 30 amp 220 volt circuits. I also tested the same at 115F and it was as hot as I'd want to touch. I would recommend that you have a water softener if you are getting this water heater. You just have to make sure you have the AMP capacity to supply the 36 KW heaters. E-tankless has been great to work with as well. It has 99% efficiency. When there is no sun for several days the Tempra can handle both showers in the home being used at the same time with no issues, and my hydro bill does not kick upwards. Stiebel Eltron is happy to provide technical assistance. Some codes require use of electrical sub-panel for installation, especially when heater is not mounted within line-of-sight of the main electrical panel. Tempra Advanced Flow Control ™ is exclusive to our Tempra ® Plus models. A Stiebel Eltron Tempra ® responds directly to your demand for hot water without interruption. Endless hot water, advanced technology, impressive energy-saving performance, and a compact design are only a few of the reasons to consider a Tempra® tankles Stiebel Eltron Tempra 29 plus Electric Tankless Water Heater, is the second highest capacity Tempra series water heater from Stiebel Eltron. Tempra Plus models feature Advanced Flow Control, patented in Germany and exclusive to Stiebel Eltron tankless heaters. By comparison, other tankless water heater systems could only illustrate this point of these units do you use unity hospital install directly as a shower or sink where you want the source of hot water. Stiebel Eltron invented tankless electric water heating technology more than 90 years ago, and is still the industry pioneer and world leader. So if you have space challenges and moderate need this smart water heater is a perfect, especially accompanied with Solar Thermal Hot water preheating for very cold weathers. If I want a 105°F outlet temperature. It worked perfectly the moment it was commissioned and performs the same on every use. Water hardness is something responsible for many water fixtures to fail early. It was able to run 2 showers and 3 faucets full blast with water pretty hot. I installed it myself. Very impressed. Like all Tempra Plus Series tankless water heaters, the Tempra 29 Plus features true microprocessor-controlled temperature regulation as well as a convenient digital temperature display and dial selector which allows you to set the desired output water temperature at any level between 86 and 140F (30 and 60C). We can easily take 2 showers at the same time. I have been recommending this to everyone! I did a lot of research and decided it was not worth the cost and relocation to gas. This can cause distorted situation especially if you are I middle of a bath. Tempra® Plus models are equipped with Advanced Flow Control ™, invented by Stiebel Eltron and awarded German patent DE 102004037966 A1, among others. The Best: Tankless Electric Water Heating Tempra® is manufactured by Stiebel Eltron, a pioneer and leader in tankless water heating technology for over 90 years. Q-How many amps it needs? Tempra Plus 29 kW with 21.8 x 19.2 x 9 inches and 17.4 pounds has a narrow outlook. Tempra 24 Plus Stiebel is a fantastic water heater with tankless ability. Test you PSI if your fixtures are failing, or you are having scruples whether your water quality is the villain. - Andrew, Great Product - Could be better thoughI am very happy with our conversion to tankless. Stiebel Eltron Tempra 29 plus electric tank less water heater, 208/240 volts the tempra plus is the most technologically advanced tank less water heater available on the market today. The service I received was superb and I could not recommend this company any more strongly. We are so pleased with our decision to go to an electric tankless water heater and definitely with Stiebel Eltron. recommended household electric service of 125 A, and offers an output water temperature of 86˚ to 140˚F. If it lasts 15 years with this performance, I will be very happy. Tempra Advanced Flow Control ™ was invented by Stiebel Eltron. Takes up almost NO space. The tempra series has been redesigned completely inside and out - upgraded heavy-duty electronics, a simple single flow sensor design, a hinged cover for easy access, and advanced flow control for the tempra plus. The tankless design not only saves space but also has minimal energy consumption. My house is 1620 SQFT and I live in Waskom, TX 75692. The unit is very efficient and cheaper to run than the tank model. Last update on 2021-01-01 / Affiliate links / Images from Amazon Product Advertising API. Yes, dynamic flow control technology automatically adjusts the flow of water when the unit's sensors detect that the flow demand is exceeding the heater's capacity. Tempra 29 Plus will typically use 15-20% less energy compared to … Simple. The Stiebel Eltron Tempra 24 Plus is an indoor tankless water heater that can supply endless hot water with minimal wait time. If used for a dedicated one shower at the colder weather it works perfectly. Wiring should be sized to maintain a voltage drop of less than 3% under load. It needs maximum 120 AMPS when used with 240v line and 105 AMPS 208v line. But the most important there is plenty of hot water, and no huge tank in the garage any longer. Call Stiebel Eltron … As is, you have to turn the hot water on to a pretty high rate of flow for the heater to kick on. - Phil, Stiebel Eltron Tempra 24 PLUS Tankless Water HeaterI am very pleased with the performance of my Stiebel Eltron Tempra 24 Plus Tankless Water Heater. Works exactly like advertised. I was worried about the size since we could not go up to the 36 Plus. The tempra … A flow sensor senses the minimum flow and starts the heater burner. Stiebel Eltron’s Electronic Temperature Control ensures a steady output temperature when the flow is uncontrolled, their smart microprocessor technology monitors the heat and maintain it endlessly. Stiebel Eltron Tempra 29 Plus Electric Tankless Whole House Water Heater, 240 V, 28.8 kW | Review. No other manufacturer of tankless electric water heaters has anything like it. Stiebel Eltron realized this problem and introduced Tempra Advanced Flow Control technology. Once you choose a temperature for the whole bath, you are guaranteed to get it until the end. In terms of operating costs, the household hydro bill is slightly higher, but very reasonable. Several showers at once and a washing machine. It is also suitable for, where two bathroom house in inlet temperature 55 degrees to 75 degrees. A Tempra 29 Plus provides hot water at a constant temperature for up to 3 bathrooms in warm climates, or 2 or 3 bathrooms in cool climates. The Stiebel Eltron 29 Plus Tempra is what industry insiders would describe as a whole-house unit. I installed this with 2 double pole 60 amp breakers and 6/2 wire.. The odd time, we'll adjust the temperature up or down a few degrees, but it has been hanging on the storage room wall untouched for the most part. So glad! How many breakers should I install with it? And a special shout out to E-Tankless...I called a few times and they were MOST helpful and informative! These are by no means difficult to install but you should either ask an electrician friend for help, or google it. Stiebel Eltron invented tankless electric water heating technology more than 90 years ago, and is still the industry pioneer and world leader. We chose the refurbished to save a few bucks and has worked out fine. I used to have an indoor gas-fired tankless water heater it was excellent, but I did not quite like the idea of gas emission through my home roof. It can work at your home if you have water with PSI more than 150 and less than 300. Please note: A minimum 200 AMP household electrical service is highly recommended and will likely be required to install this model. Stiebel Eltron Tempra 29 Plus Electric Tankless Whole House Water Heater, 240 V, 28.8 kW This model is the higher version of the Stiebel Eltron Tempra 24 plus which is a best rated heater in that price range. Super tech support, documentation was first rate. View online or download Stiebel eltron Tempra 29 Plus Installation Instructions Manual In comparison to the conventional water heater, it saves 12 cubic feet and can fit into any corner of your home. If water is freezing and comes with greater flow Tempra flow control reduces the flow to keep the temperature hot as selected even though the water pressure becomes low. If you are a fan of German technology, you know how solicitous they are to make the advanced product. If you are not able to resolve a problem please contact us toll free at 800-582-8423 before removing the unit from the wall. The overall, Stiebel Eltron Tempra 29 plus review are positive that enabling it user-friendly. A tank water heater may be able to deliver more water all at once, but once the tank starts to deplete things get cold and pretty quickly come to a standstill while waiting for the tank to recover. There was no reduction in flow. How many breakers should I install with it? Yes, digital temperature control and full power modulation based on flow rate and incoming water temperature. Showers will always be hot, even if there are several taken in a row and they run long. This German company has 12, 15, 20, 24, 29, and 36 plus these six versions of Tankless Water Heater under the series of Tempra, for different size of need. Category: Plumbing. Nice to have all the hot water I want and save on bills. 208 - 240 volts / single phase / 50 - 60 Hz, 3 x 40 AMP (240 volt, double pole breakers), 7 years against leakage / 3 years against defects in workmanship & materials, ETL Listed (US & Canada) - meets all applicable standards, including ANSI/UL 499 (USA) and CSA-E335-1/3E-94 (Canada), microprocessor-based thermostatic temperature control (flow rate and temperature modulating) with thermal hi-limit cut-out switch monitoring each heating module. The Stiebel Eltron Tempra 29 Plus scored an average of 4.6 out of five on Home Depot and on Amazon. * Breaker size and wire gauge must meet all applicable local, state, provincial, and national electrical codes for your area - these are only guidelines that will apply to most installations. - Daniel, Quality ServiceThe unit is performing wonderfully—but just as important was the expert advice and support that I received from Grant Robertson at E-Tankless - Janice B, Love it. - Kathy H. Excellent!This thing is amazing! I have the Tempra set high at 128 and my my solar thermal storage tank set at max temp of 175degF; there are no issues with water at 175degC passing through just does not power on. Show More. Tempra 29 Plus 29 kW 5.66 GPM Contrôle du Débit Avancé et Auto-Modulation Chauffe-eau Instantané Sortie puissante, conception compacte et économies d'énergie remarquables. You need TWO 6/2 cables and TWO 50 AMP double-pole circuit breakers for the full 100 AMPs of power it may potentially pull, but we have never gotten anywhere close to that. Like other Stiebel Eltron Tempra Plus units, the Tempra 29 Plus features dynamic Advanced Flow Control technology. Stiebel Eltron Tempra 29 plus Electric Tankless Water Heater, is the second highest capacity Tempra series water heater from Stiebel Eltron. If your temperature is beyond 50-degree f than this can do wonder, for best results I recommend, do not overburden it with multiple appliances. Submitted: 2 years ago. The plumber said it was easy to install. - Jason H, Magic!Works great and will even fill my bathtub. Contractor's Assistant: What have you tried so far? Some electrical items in the house will exhibit a little fluctuation when the heater kicks in, although it is pretty subtle. Hopefully it continues this performance over the long haul. In a small utility/laundry room I replaced my 40gal electric hot water storage tank with a 60gal storage tank for storing solar thermally heated water. Unit: $700 - I bought this in Sept 2017. - Eugene P. It works as advertised. User instructions could be a bit better as could install instructions. The system literally pays for itself. More space in garage. Ans- Your inlet temperature is the deciding factor of how many GPM it will produce for a desired 105°F outlet temperature, at 40°F it gives 3 GPM at 55°Fit can produce 4 GPM at 65°F it gives 5 GPM I hope you got the picture. Q-How much GPM is required for activation? Great ProductI use these tankless water heaters to replace old or failing water heaters in my apartments. This feature is particularly useful in cold climates and other applications where the electrical service size does not permit the installation of a larger model and it may be desirable to handle occasional high flow demands. check Amazon to see what their most recent deals are, Click Here To See Tempra Plus 29 kW On Amazon. The water is hot more quickly and it is great to have an endless supply of hot water. We are very pleased. - Anonymous, SO much betterPurchased this unit to replace another tankless water heater and the Tempra 24 Plus is SO much better. At a temperature of 35-40 degree it is usable for a single appliance at a time (for faucet two faucet or 1 faucet a washing machine/dishwasher can work with 3 GPM). It's a mouthful, isn't it? The Tempra 29 Plus will automatically adjust its power output to accommodate changes in the incoming water temperature and flow rate so it can precisely maintain the desired output temperature. - Debbie Walsh. Its worth it. The price per month for electricity is lower and the water hot water is clean because it doesn't sit in the water tank! - Linda, 2 Years Running Strong at the FarmDon't hesitate to consider going tankless or if your wondering if gas is cheaper etc. A standard shower with 2.5 GPM can work with a standard wash basin 0.5 GPM flow. It’ll reduce flow slightly if hot water demand exceeds capacity to ensure that hot showers will never be interrupted. - Pedro, Replacing 10 year old tankless Saved us money the first month with more efficient operation than our old tankless unit, newer tech very happy with this - B Bailey, Tankless electric water heater. The difference between the Stiebel Eltron Tempra Trend and Tempra Plus tankless water heaters comes down to a few things. This is fine for most uses, but for things like shaving, where I would normally turn the water on at a slow rate, the flow is not detected by the heater. Tempra 29 is ideal for a small home where the temperature drops up to 40 degrees or more, at this inlet temperature it produces 3 Gallon per minute.