The 2 best renovation companies in Zumikon
avg 4.9 ★ · ranked by Hero Score · Updated 21 October 2026 · How do we rank?
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Temperli Sanitär & Heizung GmbH
4.8(21)Schwäntenmos 15, 8126 Zumikon
Key facts
CityHero lists 2 renovation companies in Zumikon (as of October 2026), averaging 4.9 out of 5 Google stars. Number 1 in the Hero Score is KMW Sanitär GmbH (5.0 stars, 19 reviews). The highest Google rating (with at least 20 reviews) belongs to Temperli Sanitär & Heizung GmbH (4.8 stars, 21 reviews).
- Listings
- 2
- Avg. Google rating
- 4.9 / 5
- No. 1 Hero Score
- KMW Sanitär GmbH
- Best Google rating
- Temperli Sanitär & Heizung GmbH · 4.8
1 more fact
- Reviews in total
- 40
Source: CityHero directory, ratings via Google · as of October 2026.
Renovation Companies in Zumikon: what to know
Renovating is all about planning: Zumikon lists 2 Renovation Companies that guide you from quote through site management to handover. Instead of ringing round one by one, check ratings and services in one place. On average that's 4.9 out of 5 stars. Top-rated: KMW Sanitär GmbH. Always request a detailed written quote with itemised positions, a payment schedule and references for comparable projects – that's how you spot hidden costs and judge experience rather than just the bottom-line price.
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Frequently asked questions
How many renovation companies are there in Zumikon on CityHero?
CityHero currently lists 2 renovation companies in Zumikon, rated 4.9 out of 5 stars on average. Currently top-rated: KMW Sanitär GmbH.
How long does a renovation take?
A bathroom is often done in one to two weeks, while a whole flat can take several weeks to months depending on scope. Ask for a concrete timeline with milestones in the quote so you can plan around it.
How do I find a good renovation firm in Zumikon?
On CityHero you can compare the 2 Renovation Companies in Zumikon by rating, specialism and references. The easiest route is to send your request free of charge to up to two firms at once and choose based on the quotes you receive.