№1 · Heating Companies Zürich

KOSTER AG ZÜRICH SEEFELD

5.0(12)Ratings via GoogleHeating & HVAC

Opening hours
Werkgasse 5, 8008 Zürich
044 261 66 44

About KOSTER AG ZÜRICH SEEFELD

Based in Zürich, KOSTER AG ZÜRICH SEEFELD serves the local area as a Heating contractor. It is excellently rated, averaging 5.0 out of 5 stars across 12 Google reviews. Opening hours, contact details and website are listed on the profile (postcode 8008). Send an enquiry or request a quote directly via CityHero.

Opening hours

Monday	07:00 – 12:00, 13:00 – 16:30
Tuesday	07:00 – 12:00, 13:00 – 16:30
Wednesday	07:00 – 12:00, 13:00 – 16:30
Thursday	07:00 – 12:00, 13:00 – 16:30
Friday	07:00 – 12:00, 13:00 – 16:30
Saturday	Closed
Sunday	Closed

Address & contact

Werkgasse 5
8008 Zürich

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Key facts

KOSTER AG ZÜRICH SEEFELD (Heating & HVAC) is located at Werkgasse 5, 8008 Zürich. On Google, KOSTER AG ZÜRICH SEEFELD is rated 5.0 out of 5 from 12 reviews. Opening hours: Mon–Fri 07:00–12:00 and 13:00–16:30, Sat–Sun closed. In the Hero Score for heating companies in Zürich, KOSTER AG ZÜRICH SEEFELD ranks 1 of 51.

Address: Werkgasse 5, 8008 Zürich
Google rating: 5.0 / 5 (12 reviews)
Opening hours: Mon–Fri 07:00–12:00 and 13:00–16:30, Sat–Sun closed
Phone: +41 44 261 66 44

3 more facts

Hero-Score: Rank 1 of 51 in Zürich
Category: Heating & HVAC
Website: kosterag.ch

Source: CityHero directory, ratings via Google · data as of August 2026.

Frequently asked questions

Where is KOSTER AG ZÜRICH SEEFELD located?

KOSTER AG ZÜRICH SEEFELD is located at Werkgasse 5, 8008 Zürich. CityHero lists 51 heating companies in Zürich in total.

How is KOSTER AG ZÜRICH SEEFELD rated?

KOSTER AG ZÜRICH SEEFELD has 5.0 out of 5 stars on Google from 12 reviews. The average of 41 rated heating companies in Zürich is 4.3, so KOSTER AG ZÜRICH SEEFELD is above.

What are the opening hours of KOSTER AG ZÜRICH SEEFELD?

Opening hours of KOSTER AG ZÜRICH SEEFELD: Mon–Fri 07:00–12:00 and 13:00–16:30, Sat–Sun closed. It is open 5 days a week and closed on Saturday and Sunday.

How does KOSTER AG ZÜRICH SEEFELD compare with other Heating Companies in Zürich?

In the CityHero Hero Score, KOSTER AG ZÜRICH SEEFELD ranks 1 of 51 Heating Companies in Zürich. The score weighs Google rating and review count, request activity and profile completeness.

Until when is KOSTER AG ZÜRICH SEEFELD open?

The latest closing time is 16:30 (Monday to Friday). The earliest opening is 07:00 (Monday to Friday).

How do I get a quote from KOSTER AG ZÜRICH SEEFELD?

By phone on 044 261 66 44. Website: kosterag.ch. You can also send KOSTER AG ZÜRICH SEEFELD a free, no-obligation request via CityHero.

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