CityHero

W. Haas AG

5.0(4)Ratings via GoogleHeating & HVAC

Opening hours
Roswiesenstrasse 178, 8051 Zürich
043 299 40 11

About W. Haas AG

W. Haas AG — a HVAC contractor in Zürich. It is excellently rated, averaging 5.0 out of 5 stars across 4 Google reviews. Opening hours, contact details and website are listed on the profile (postcode 8051). Send an enquiry or request a quote directly via CityHero.

Opening hours

Monday	07:00 – 12:00, 13:00 – 17:00
Tuesday	07:00 – 12:00, 13:00 – 17:00
Wednesday	07:00 – 12:00, 13:00 – 17:00
Thursday	07:00 – 12:00, 13:00 – 17:00
Friday	07:00 – 12:00, 13:00 – 17:00
Saturday	Closed
Sunday	Closed

Address & contact

Roswiesenstrasse 178
8051 Zürich

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Key facts

W. Haas AG (Heating & HVAC) is located at Roswiesenstrasse 178, 8051 Zürich. On Google, W. Haas AG is rated 5.0 out of 5 from 4 reviews. Opening hours: Mon–Fri 07:00–12:00 and 13:00–17:00, Sat–Sun closed.

Address: Roswiesenstrasse 178, 8051 Zürich
Google rating: 5.0 / 5 (4 reviews)
Opening hours: Mon–Fri 07:00–12:00 and 13:00–17:00, Sat–Sun closed
Phone: +41 43 299 40 11

2 more facts

Category: Heating & HVAC
Website: whaas.ch

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

Frequently asked questions

Where is W. Haas AG located?

W. Haas AG is located at Roswiesenstrasse 178, 8051 Zürich. CityHero lists 51 heating companies in Zürich in total.

How is W. Haas AG rated?

W. Haas AG has 5.0 out of 5 stars on Google from 4 reviews. The average of 41 rated heating companies in Zürich is 4.3, so W. Haas AG is above.

What are the opening hours of W. Haas AG?

Opening hours of W. Haas AG: Mon–Fri 07:00–12:00 and 13:00–17:00, Sat–Sun closed. It is open 5 days a week and closed on Saturday and Sunday.

Can I visit W. Haas AG at the weekend?

On Saturday W. Haas AG is closed, and on Sunday as well.

Until when is W. Haas AG open?

The latest closing time is 17:00 (Monday to Friday). The earliest opening is 07:00 (Monday to Friday).

How do I get a quote from W. Haas AG?

By phone on 043 299 40 11. Website: whaas.ch. You can also send W. Haas AG a free, no-obligation request via CityHero.

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