Stiebel Eltron Tempra 36 Plus Tankless Water Heater
A premium whole-home electric tankless heater using 36 kW of power and Advanced Flow Control to maintain stable temperatures without gas, combustion, or venting.
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- +Powerful 36 kW electric system provides up to approximately 7.5 GPM in favorable inlet conditions
- +Advanced Flow Control maintains temperature by reducing flow when demand exceeds available heating capacity
- +No gas line, combustion, or venting required with compact and nearly silent operation
- −Extremely high electrical demand can require a substantial service upgrade and three dedicated 50A circuits
- −Cold incoming water can significantly reduce practical flow at high temperature rises
- −Whole-home electric performance can be less practical than gas in regions with very high simultaneous demand
The Stiebel Eltron Tempra 36 Plus is the standout option for homeowners who want whole-home tankless hot water without relying on natural gas or propane. Its 36 kW electric heating system can deliver up to roughly 7.5 GPM under favorable conditions, while the company's patented Advanced Flow Control automatically reduces water flow when demand temporarily exceeds the heater's ability to maintain the selected temperature. This approach helps prevent the sudden temperature fluctuations that can occur with undersized electric tankless systems. The Tempra 36 Plus also operates without combustion or venting, making it compact, quiet, and suitable for homes where installing a gas appliance would be impractical. The major limitation is electrical infrastructure. The 36 kW model can draw up to 150 amps and requires three dedicated 50-amp circuits, meaning some homes may need a substantial electrical service upgrade before installation. For an all-electric home with sufficient electrical capacity, however, the Tempra 36 Plus provides a sophisticated and highly responsive whole-home tankless solution.
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Stiebel Eltron Tempra 36 Plus Tankless Water Heater – FAQs
Yes, for most buyers. The Stiebel Eltron Tempra 36 Plus Tankless Water Heater stands out for: Powerful 36 kW electric system provides up to approximately 7.5 GPM in favorable inlet conditions and Advanced Flow Control maintains temperature by reducing flow when demand exceeds available heating capacity. The main trade-offs are Extremely high electrical demand can require a substantial service upgrade and three dedicated 50A circuits. Check our full Home Appliances comparison for alternatives.