Turkey AI Visibility Index · October 2026

The combi boiler brands ChatGPT and Google AI recommend most

15 questions: condensing and quiet boilers, fuel efficiency, small flats and large homes, service network, warranty, smart thermostats, reliability, affordable and Turkish brands.

Measured: October 11, 2026 · 15 questions · 60 AI answers · ChatGPT and Google AI Overviews

Highlights

Bosch leads the list: recommended in 48 of 60 answers.
5 Turkish brands are in the top 10. The highest is Baymak, at number 2.
ChatGPT and Google differ most on Viessmann: 16.7% on ChatGPT, 46.7% on Google AI Overviews.
The site cited most often in answers is bosch-homecomfort.com (24 answers).

Ranking

Top 16 brands. The full list is in the CSV file.

Rank	Brand	Visibility	ChatGPT30 answers	Google AI30 answers	Questions
1	BoschChatGPT 76.7% · Google 83.3%	80%	76.7%	83.3%	14/15
2	BaymakTRChatGPT 70% · Google 86.7%	78.3%	70%	86.7%	15/15
3	ECATRChatGPT 56.7% · Google 86.7%	71.7%	56.7%	86.7%	15/15
4	VaillantChatGPT 76.7% · Google 53.3%	65%	76.7%	53.3%	15/15
5	BuderusChatGPT 53.3% · Google 76.7%	65%	53.3%	76.7%	13/15
6	DemirDökümTRChatGPT 53.3% · Google 76.7%	65%	53.3%	76.7%	15/15
7	ViessmannChatGPT 16.7% · Google 46.7%	31.7%	16.7%	46.7%	11/15
8	DaikinChatGPT 3.3% · Google 16.7%	10%	3.3%	16.7%	5/15
9	WarmhausTRChatGPT 3.3% · Google 13.3%	8.3%	3.3%	13.3%	2/15
10	AlarkoTRChatGPT 3.3% · Google 10%	6.7%	3.3%	10%	3/15
11	ArçelikTRChatGPT 3.3% · Google 6.7%	5%	3.3%	6.7%	2/15
12	ProthermChatGPT 0% · Google 6.7%	3.3%	0%	6.7%	1/15
13	LiebeChatGPT 6.7% · Google 0%	3.3%	6.7%	0%	1/15
14	AirfelTRChatGPT 3.3% · Google 3.3%	3.3%	3.3%	3.3%	2/15
15	EmkoTRChatGPT 0% · Google 6.7%	3.3%	0%	6.7%	1/15
16	AristonChatGPT 0% · Google 6.7%	3.3%	0%	6.7%	1/15

Turkish brands

Turkish brands on the list and their overall rank.

1. Baymak78.3% · overall #2
2. ECA71.7% · overall #3
3. DemirDöküm65% · overall #6
4. Warmhaus8.3% · overall #9
5. Alarko6.7% · overall #10
6. Arçelik5% · overall #11
7. Airfel3.3% · overall #14
8. Emko3.3% · overall #15

Sites the AI cites

The sites linked most often in answers. The first place to look for a brand that wants more visibility.

bosch-homecomfort.com24 answers
vaillant.com.tr22 answers
baymak.com.tr20 answers
buderus.com16 answers
eca.com.tr15 answers
forum.donanimhaber.com12 answers
demirdokum.com.tr11 answers
parcabayim.com11 answers
dogalgaz.net9 answers
donanimhaber.com9 answers

Question by question

The most recommended brand for each question and how many brands the answers named. Questions were asked in Turkish.

Which combi boiler brand is the best?Leader: Bosch 7 brands
Condensing combi boiler recommendationLeader: Bosch 6 brands
Quiet combi boiler recommendationLeader: Buderus 8 brands
Which combi boiler uses the least gas?Leader: Bosch 7 brands
Affordable combi boiler recommendationLeader: Baymak 8 brands
Which combi boiler brands are Turkish?Leader: ECA 16 brands
Most reliable combi boiler brandLeader: Vaillant 7 brands
Combi boiler recommendation for a small flatLeader: Bosch 8 brands
Combi boiler recommendation for a large homeLeader: Buderus 7 brands
Combi boiler brand with the best service networkLeader: Vaillant 8 brands
Combi boiler with smart thermostat recommendationLeader: Bosch 7 brands
Which brand should I choose when buying a combi boiler?Leader: Buderus 7 brands
24 kW combi boiler recommendationLeader: Bosch 6 brands
Combi boiler brand with the longest warrantyLeader: Buderus 10 brands
Combi boiler brand comparisonLeader: Vaillant 10 brands

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rankzupAI, Turkey AI Visibility Index: Combi boilers, October 2026. https://rankzup.ai/ai-visibility-index/combi-boilers

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Published: October 11, 2026