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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsWil SgW. Bissegger AG Wil
W. Bissegger AG Wil Logo
Verified· 3 sources

W. Bissegger AG Wil

Summary

About the company

The company provides comprehensive services in the field of heating renovation and installation, including consulting, planning and execution of work for new and renovation buildings. It specializes in the renewal of existing heating systems and the installation of climate-friendly solutions such as solar systems.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered12
Heating system solutions
Heating system solutions for new builds and renovations in single-family homes, public buildings and commercial properties; including selection and implementation of suitable systems.
Air-to-water heat pump
Air-to-water heat pumps that use ambient air or exhaust air for space heating and domestic hot-water preparation.
Ground-to-water heat pump
Ground-to-water heat pumps that use geothermal energy and groundwater for space heating and domestic hot water.
Solar thermal system
Solar thermal systems for generating hot domestic drinking and heating water; can also be used as a supplement to existing heating solutions.
Wood pellet heating
Modern pellet heating systems for buildings with higher energy demand; efficient and eco-friendly.
Gas heating
Gas heating systems with condensing units, space-saving and efficient; suitable as a heating solution in existing or new buildings.
Oil heating
Oil heating systems for continued use of existing installations; focused on efficient use and energy saving.
Hybrid heating system
Hybrid heating systems in combination with a heat pump or solar thermal system; the system configuration is adapted to local conditions.
Consulting & planning
Consulting on the pros and cons of the systems, defining the key parameters and complete installation planning for the construction site.
Installation work
All installation work carried out in-house with a direct point of contact and our own team of specialists.
Renovations
Renovations of existing heating systems including replacement of equipment and on-site coordination from start to finish of construction.
Repairs
Repairs and troubleshooting also outside business hours by service technicians on site.
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Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle4.73
★TrustpilotSoon
PProvenExpertSoon

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Location

Wilenstrasse 55
9500 Wil Sg
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.798.753
Founded
1984 · 42 years
Last commercial register change
August 7, 2023
Employees
11 to 20

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