Heating installer in
Jona

Lampert + Walker AG

Since 1991 · 11–20 empl.·4.8(12)

Lampert + Walker AG plans, installs and maintains heating and cooling systems for buildings. Its services and products include heat pumps, district heating, natural gas and biogas systems, wood heating and solar installations, as well as consultation and servicing.

Homey Haustechnik GmbH

Since 2023 · 1–10 empl.·4.9(14)

Homey Haustechnik GmbH plans, installs and maintains heating and building-services systems, with a focus on heat pumps. Its services also include biomass heating, ecological cooling systems, residential ventilation, energy advice and client representation in construction projects.

Hans Heggli AG

Since 1977 · 11–20 empl.·4.1(11)

Hans Heggli AG provides heating and thermal engineering services. Its activities include advising on, planning, installing and servicing heating systems, with solutions for heat generation and distribution such as heat pumps, wood- and gas-fired heating, solar energy, radiators and underfloor heating.

PSB Feuerungstechnik AG

Since 2017 · 1–10 empl.

PSB Feuerungstechnik AG provides consulting, planning and sales of heat-generation systems, as well as servicing, maintenance and repairs for heating systems. Its services include oil and gas burners, alternative energy systems and official combustion inspections.

Hälg & Co. AG, Zweigniederlassung Rapperswil-Jona

Since 2024 · 101–500 empl.

Hälg & Co. AG, Zweigniederlassung Rapperswil-Jona delivers building technology projects, from consulting and planning to installation, maintenance and service. Its services include heating and cooling systems, ventilation and air-conditioning, sanitary installations, and technical systems for industrial businesses.

Linth Haustechnik GmbH

Since 2018 · 1–10 empl.·5.0(4)

Linth Haustechnik GmbH provides services in heating, plumbing, ventilation and energy consulting. Its work includes advising on, planning and installing heating and ventilation systems and plumbing facilities.

MSA Haustechnik GmbH

Since 2026 · 1–10 empl.