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LWS Wärmeservice GmbH

Therwil, Baselland, Switzerland

BiomassEnergy StoragePrivate
Founded 200010-50 employees

About

Founded in 2000, LWS Wärmeservice GmbH is a private headquartered in Therwil, Switzerland with approximately 10-50 employees specializing in Biomass, Energy Storage.

Founded in 2000 by Thomas Lützelschwab, LWS Wärmeservice GmbH (Lützelschwab Wärme und Solarenergie) specializes in planning, installation, and maintenance of climate-friendly heating systems. The company offers heat pumps (air-water, ground-source, and split systems), pellet and wood-chip heating, district heating connections, and Daikin air conditioning systems using low-GWP refrigerant R32. Services include full project management, administrative handling, and ongoing maintenance. As of summer 2024, LWS became a sister company of Sonnwende, a Basel-based photovoltaic startup, expanding integrated solar and heating solutions. The company employs 15 staff, serves customers in Basel-Stadt and Baselland, and emphasizes European sourcing, regional partnerships, and fair labor practices. LWS is certified by the Swiss Heat Pump Association and provides WPSM certification for cantonal subsidies.

heating systemsheat pumpsrenewable energysustainable technologyinstallationmaintenancesolar integration

Headquarters

Therwil, Switzerland

Founded

2000

Employees

10-50

Company Type

Private

Business Models

B2BB2C

Value Chain

EngineeringConstructionO&MConsultingProcurement

Service Regions

Basel-Stadt, Baselland

Industry Memberships

Swiss Heat Pump Association (Fachvereinigung Wärmepumpen Schweiz)

Products

Air-Water Heat Pump

Ground-Source Heat Pump

Pellet Heating System

Wood-Chip Heating System

District Heating Connection

Daikin Air Conditioning Systems

Bathroom Renovation

Certifications & Awards

Certifications

WPSM Certification

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