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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsFeldbrunnenERSAP Energie AG
ERSAP Energie AG Logo
Verified· 3 sources

ERSAP Energie AG

Summary

About the company

ERSAP Energie AG plans, installs and operates systems in the areas of solar energy, photovoltaics, battery storage, charging stations, rainwater use and water softening. The company also provides PV service and related work for solar technology installations.

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Offering

Products & services

Industry:Solar & Photovoltaics
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Photovoltaic systems
Planning, installation and operation of solar and photovoltaic systems, including special requirements and third-party systems; use of modules, inverters and matching system components.
Battery storage systems
Energy storage systems for photovoltaic and other generation sources, with different capacities; for using self-produced electricity around the clock and increasing self-consumption.
Charging stations
Charging stations and wallboxes for homes, businesses and larger sites; configured by operating mode, connector type, energy meter and power levels from 11 kW to 320 kW.
PV service and troubleshooting
Service for photovoltaic systems with fault finding, troubleshooting and damage cases such as insulation resistance faults, hail damage and hotspots; also for third-party systems.
Photovoltaic cleaning
Cleaning of solar and photovoltaic modules with demineralised pure water; for removing dirt deposits, improving yield and maintaining system value.
Solar thermal systems
Solar thermal systems for domestic hot water and heating support in single-family and multi-family homes; including collectors, storage tanks and service on third-party systems.
Heat pumps
Heat pumps for single-family and multi-family homes to use ambient energy for heating and domestic hot water; service also on third-party systems.
Rainwater harvesting
Underground rainwater harvesting systems with cisterns, storage and infiltration; for garden and household use and to reduce drainage load and drinking water consumption.
Solar pumps
Solar pumps and related piping, control and tracking systems for sites without grid electricity; such as alpine huts, agriculture, holiday homes and wetlands.
Solar carports
Solar carports for single-family homes, multi-family homes and large car parks; as vehicle protection and power generation with PV modules as the roof.
Equipment rental
Rental of dehumidifiers, water pumps, scaffolding, roofers’ lifts and power generators.
Reviews

Aggregated rating

Aggregated rating
1
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle11
★TrustpilotSoon
PProvenExpertSoon

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Location

Steiniggässli 1
4532 Feldbrunnen
Opening hours
Mon
08:30 - 11:30, 13:30 - 16:30
Tue
08:30 - 11:30, 13:30 - 16:30
Wed
08:30 - 11:30, 13:30 - 16:30
Thu
08:30 - 11:30, 13:30 - 16:30
Fri
08:30 - 11:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-156.070.409
Founded
2016 · 10 years
Last commercial register change
April 13, 2026
Employees
1 to 10

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