Verdict
Top Score · #1 of 5Reviewed by Mike Hun·May 20, 2026

Stiebel Eltron Tempra 36 Plus

Averaged from + undefined
The verdict

The Tempra 36 Plus is the best-overall pick — Stiebel Eltron's flow control handles whole-home demand without cold-water sandwiching.

Stiebel Eltron Tempra 36 Plus

Strengths

  • +Advanced Flow Control prevents cold-water sandwiching
  • +36 kW max — handles whole-home demand in mild climates
  • +10-year combined warranty
  • +German-engineered reliability

Watch-outs

  • Requires 200A electrical service for full output
  • No Wi-Fi
  • Plumbing install required

How it compares

Best whole-home pick. German engineering. Highest amperage required.

Who this is for

At a glance: whole-home electric tankless installs in mild climates.

Why you’d buy the Stiebel Eltron Tempra 36 Plus

  • Advanced Flow Control prevents cold-water sandwiching.
  • 36 kW max — handles whole-home demand in mild climates.
  • 10-year combined warranty.

Why you’d skip it

  • Requires 200A electrical service for full output.
  • Plumbing install required.

Rating sources

Our 4.8 score is the average of these published ratings. More about methodology.

Frequently asked questions

Is the Stiebel Eltron Tempra 36 Plus worth buying?
The Tempra 36 Plus is the best-overall pick — Stiebel Eltron's flow control handles whole-home demand without cold-water sandwiching.
What is the Stiebel Eltron Tempra 36 Plus's biggest strength?
Advanced Flow Control prevents cold-water sandwiching
What is the main drawback of the Stiebel Eltron Tempra 36 Plus?
Requires 200A electrical service for full output
What sources back the 4.8/5 rating?
Our 4.8/5 rating is the average of scores from 1 independent tankless water heaters review — thisoldhouse. Click any source on the product page to read the original review.

How it compares

See all 5
Stiebel Eltron Tempra 36 Plus
4.8/5· $812
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