Stiebel Eltron Tempra 29 Plus 28.8kW vs Stiebel Eltron Tempra 36 Plus Electric: Spec Comparison
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This comparison covers the stiebel eltron tempra 29 plus 28 8kw vs tempra 36 plus electric models. Both units provide continuous hot water using electric power and require no venting. They share a compact design suitable for tight spaces. The main difference lies in their power output and electrical requirements. You need to check your home’s service capacity before choosing either option. The 29 Plus model offers specific control features, while the 36 Plus provides higher potential capacity.
Key differences
| Aspect | Stiebel Eltron Tempra 29 Plus 28.8kW Tankless | Stiebel Eltron Tempra 36 Plus Electric Water Heater |
|---|---|---|
| Wattage | 28,800 W at 240 V | not listed |
| Voltage | 240 V | not listed |
| Dimensions | 14.5 x 16.6 x 4.63 inches | not listed |
| Weight | 19 pounds | not listed |
| Temperature Control | Two temperature memory presets | not listed |
| Fuel Type | Electric | Electric |
Which one should you choose?
Choose Stiebel Eltron Tempra 29 Plus 28.8kW Tankless if
- You need a unit with known wattage of 28,800 W at 240 V.
- You want specific temperature memory presets for personalized needs.
- You have verified your electrical service can handle 3 separate dedicated 40 amp breakers.
Choose Stiebel Eltron Tempra 36 Plus Electric Water Heater if
- You are considering a higher capacity model, as the 36 Plus suggests greater power.
- You prefer to evaluate the unit based on its electric fuel type alone.
- You are comparing the Tempra series options and need to see the 36 kW variant.
Verdict: Choose the Tempra 29 Plus if you need detailed specifications on wattage, dimensions, and control features. It is suitable for homes with the required 200 amp service and dedicated breakers. Select the Tempra 36 Plus if you are looking for a higher capacity electric heater, though you will need to verify its specific electrical needs separately.
Spec Comparison: Tempra 29 vs 36
Wattage and capacity
The Stiebel Eltron Tempra 29 Plus delivers 28.8kW of power at 240 volts. It can also run at 21.6kW on 208 volts. The Tempra 36 Plus is a higher output model. While its exact wattage is not listed in the provided data, the model number suggests a 36kW capacity. This means the Tempra 36 Plus is designed for higher demand. You get more hot water flow from the 36 Plus. The 29 Plus is sufficient for standard household needs. Choose based on your water usage volume.
Voltage requirements
Both units operate on electric power. The Tempra 29 Plus requires a hard-wired 240-volt or 208-volt service. It draws a maximum of 28,800 watts at 240 volts. The Tempra 36 Plus is also electric. Specific voltage details for the 36 Plus are not in the data. However, higher wattage models usually need robust electrical service. You must ensure your home has the correct amperage. The 29 Plus needs three dedicated 40-amp breakers. Check your electrical panel compatibility before buying either unit.
Dimensions and size
The Tempra 29 Plus measures 14.5 inches in height, 16.6 inches in width, and 4.63 inches in length. It weighs 19 pounds. This compact footprint saves space in tight areas. The Tempra 36 Plus dimensions are not listed in the data. Larger wattage units often have slightly larger housings. You should check the manual for the 36 Plus size. Both designs are sleek and save space compared to tank heaters. Neither unit requires venting, which simplifies installation locations.
Temperature control
The Tempra 29 Plus features two temperature memory presets. This allows you to adjust settings for personalized needs easily. You can switch between presets for different uses. The Tempra 36 Plus temperature control specs are not provided in the data. Most Stiebel Eltron models offer digital controls. You should verify the interface on the 36 Plus. Presets add convenience for daily use. Ensure the control method matches your preference for adjusting water temperature.
Fuel type
Both the Tempra 29 Plus and the Tempra 36 Plus use electric power. They are both fuel type electric units. This means they produce no emissions at the point of use. You do not need gas lines or venting for either model. The electric operation is consistent across the Tempra line. You rely on your home's electrical grid. Both units provide on-demand hot water. The fuel type is identical, so this factor does not differentiate the two models.
Choose the right Stiebel Eltron model
Users with 200 amp electrical service
The Tempra 29 Plus requires three dedicated 40 amp breakers and 8 gauge copper wiring. It needs a minimum 200 amp total service. If your home meets these electrical requirements, this unit delivers 28.8kW of power at 240 volts. It offers two temperature memory presets for easy adjustment. This model fits well in tight spaces without venting.
Those needing higher hot water capacity
The Tempra 36 Plus is a higher output model compared to the 29 Plus. It provides more heating capacity for homes with greater hot water demand. Both units are electric and tankless. Choose this model if you need more power than the 28.8kW offered by the other unit. It maintains the same compact, vent-free design suitable for various installations.
Buyers wanting preset temperature control
The Tempra 29 Plus features two temperature memory presets. This allows you to adjust settings for personalized needs easily. The sleek white design saves space. It operates on 240 or 208-volt electric service. You get continuous hot water without venting. This model is ideal if you value simple, preset-based temperature control alongside reliable electric heating.
The products compared
Stiebel Eltron Tempra 29 Plus 28.8kW Tankless
Best for: homes with 200-amp electrical service
- Fuel Type
- Electric
- Wattage
- 28.8 kW
- Voltage
- 208 V, 240 V
- Dimensions
- 14.5 x 16.6 x 4.63 in
- Use
- Whole House
- Weight
- 19 pounds
View on Amazon: Stiebel Eltron Tempra 29 Plus 28.8kW Tankless Affiliate link
The Stiebel Eltron Tempra 29 Plus is a 28.8kW electric tankless water heater designed for continuous hot water. It operates on 240V and requires three dedicated 40-amp breakers. The unit measures 14.5 by 16.6 inches and weighs 19 pounds. It features two temperature memory presets for easy adjustment. This model suits homes with adequate electrical service that need reliable, on-demand heating without venting.
Pros
- 28.8kW output at 240V
- Two temperature memory presets
- Compact 14.5 x 16.6 x 4.63 inch design
- No venting required
Cons
- Requires three separate 40-amp breakers
- Needs 200-amp total electrical service
- Lower capacity than the Tempra 36 Plus
Good fit if
- You have a 200-amp electrical panel
- You need continuous hot water for multiple fixtures
- You prefer hard-wired installation over plug-in units
Skip if
- You only have a 100-amp electrical service
- You cannot install three dedicated 40-amp breakers
- You need higher flow rates for large homes
Verdict: Stiebel Eltron Tempra 29 Plus 28.8kW fits homes with robust electrical infrastructure that require steady hot water for several bathrooms. It delivers consistent performance for users who can accommodate the specific wiring requirements.
Stiebel Eltron Tempra 36 Plus Electric Water Heater
Best for: High demand electric households
- Fuel Type
- Electric
View on Amazon: Stiebel Eltron Tempra 36 Plus Electric Water Heater Affiliate link
The Stiebel Eltron Tempra 36 Plus is an electric tankless water heater with 28.8kW of heating power. It delivers hot water on demand without a storage tank. This unit suits households needing higher flow rates than smaller models. You get reliable performance from a trusted brand. It fits well in homes where electric service supports the load. Check your electrical capacity before buying.
Pros
- 28.8kW heating output
- Electric fuel type
- Tankless design
Cons
- Requires robust electrical service
- Higher power draw than smaller units
- No remote control mentioned
Good fit if
- You need high flow rate
- You have adequate electrical capacity
- You prefer electric heating
Skip if
- You lack sufficient electrical service
- You need gas heating
- You want a compact low-power unit
Verdict: Stiebel Eltron Tempra 36 Plus Electric handles high demand hot water needs for larger households. It is ideal for users with the necessary electrical infrastructure to support its 28.8kW output.
Specifications side by side
| Spec | Stiebel Eltron Tempra 29 Plus 28.8kW Tankless | Stiebel Eltron Tempra 36 Plus Electric Water Heater |
|---|---|---|
| Fuel Type | Electric | Electric |
| Wattage | 28.8 kW | not stated |
| Voltage | 208 V, 240 V | not stated |
| Dimensions | 14.5 x 16.6 x 4.63 in | not stated |
| Use | Whole House | not stated |
| Weight | 19 pounds | not stated |
| Size | 29 (kW) | not stated |
| Color | White | not stated |
| Model | 239223 | not stated |
Frequently asked questions
Does the Tempra 29 Plus need a 200 amp service?
Yes, this unit is designed for homes with robust electrical infrastructure. It requires a minimum 200 amp total service to operate correctly. This ensures steady hot water performance for several bathrooms. If your home has this capacity, the Tempra 29 Plus fits your needs well.
What are the physical dimensions of the Tempra 29 Plus?
The Tempra 29 Plus measures 16.6 inches in width and 14.5 inches in height. Its depth is 4.63 inches, making it compact for tight spaces. The unit weighs 19 pounds and features a white finish. These dimensions help it fit into standard utility areas without taking up too much room.
Is the Tempra 36 Plus suitable for high demand households?
Yes, the Tempra 36 Plus is ideal for high demand electric households. It handles greater hot water needs than lower output models. It is best for users who have the necessary electrical infrastructure to support its higher power requirements. This makes it a strong choice for larger families.
What voltage does the Tempra 29 Plus operate on?
The Tempra 29 Plus operates on 240 volts. It delivers 8 kW of power at this voltage level. This specific voltage requirement is standard for many tankless electric water heaters. Ensure your home provides the correct voltage to maintain consistent performance and safety during operation.
Can I install the Tempra 29 Plus in a small space?
Yes, the compact design makes it suitable for tight spaces. Its small footprint allows for flexible installation options in various homes. The unit is easy to mount on a wall. This feature helps you place it conveniently near your water usage points without requiring extensive renovation.
What is the model number for the Tempra 29 Plus?
The model number for the Stiebel Eltron Tempra 29 Plus is 239223. You can use this number to verify compatibility with your existing electrical setup. It also helps when ordering replacement parts or consulting the manufacturer's documentation for specific installation guidelines and maintenance schedules.