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DirectoryCrafts & TradesSpecialized Construction InstallationsBülachRotondo U. Siegrist GmbH
Rotondo U. Siegrist GmbH Logo
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Rotondo U. Siegrist GmbH

Summary

About the company

Rotondo U. Siegrist GmbH is a climate-technology company that plans, installs and services air-conditioning, heat-pump and ventilation systems. The company supplies solutions for residential climate control, wine-cellar and medical/pharmacy cooling and provides maintenance, disinfection and online quotation services.

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Products & services

Industry:Specialized Construction Installations
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✓ Offered6
Air conditioning systems
Air conditioning systems for homes and apartments, with installation and advice on suitable units and indoor/outdoor unit configurations.
Heat pumps
Heat pumps for heating replacements, with advice on replacement options and sizing for existing heating systems.
Ventilation systems
Ventilation systems and comfort ventilation for buildings, with sizing based on room size, wet rooms and unit location.
Heat pump water heaters
Heat pump water heaters for domestic hot water, with boiler size and placement captured during quotation requests.
Emergency heaters (Volcano)
Portable emergency heaters with 8 kW or 17 kW output, used as a temporary solution until the heating system is repaired.
Professional air purifier
Professional air purifier for filtering viruses, bacteria and dust from indoor air, with HEPA14 filtration and use in practice rooms or beauty studios.
Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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Location

Tiefengasse 4
8180 Bülach
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-102.752.011
Founded
1995 · 31 years
Last commercial register change
October 17, 2025
Employees
1 to 10

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