What are the best tankless water heaters?
Faucets & ShowerheadsNamed in 1 of 6 answers
#15
15.8
Rank by surface
Google AI Overviews#6
Google AI Overviews#6Brand profile
Optimal Opti 18kW Electric
An 18kW electric tankless water heater from Optimal, designed for on-demand hot water in residential settings.
1 questions · 1 categories · As of Nov 1, 2026
- Questions
- 1
- 1 categories
- Answers naming it
- 1/6
- Of the answers measured on this brand's questions
Visibility by category
| Categories | Category rank | Questions | Score |
|---|---|---|---|
| Faucets & Showerheads | - | 1 | 15.8 |
Ranking by question
Sources cited when this brand is named
Sites the answers naming this brand cited in the last four weeks. Counts are citing answers.
The answers that named this brand cited no sources in the last four weeks.
Named by surface, by question
For the brand's best questions: of each surface's 1 answers, how many named it.
| Questions | Google AI Overviews |  ChatGPT |  Claude |  Gemini | Google AI Mode |  Microsoft Copilot |
|---|---|---|---|---|---|---|
| 1What are the best tankless water heaters? | 1 | 0 | 0 | 0 | 0 | 0 |